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WCIRB Data Shows So. Cal. Has CT Epidemic.

The WCIRB has released The World of Cumulative Trauma Claims report which focuses on workers’ compensation claims for workplace injuries that result from repetitive mentally or physically traumatic activities extending over a period of time.

CT claims have always been a part of the California workers’ compensation system. Recently, although overall claim frequency and average indemnity and medical costs have been flat to declining, the proportion of claims involving CT has increased sharply. This report explores the world of CT claims including how they differ from specific injury claims and the key drivers of the recent CT claim increases.

CT claims have continued to grow at a significant rate through the economic recovery. CT claims are also much more likely to be reported late, so early estimates of CT claim proportions typically understate the true proportions for an accident year.

Like many cost components, CT claim rates differ significantly across the regions of California. While the proportion of CT claims has typically been higher in the Los Angeles Basin, these rates have diverged significantly over the last several years and are also showing a similar pattern in San Diego.

All of the recent growth in CT claims has been in the Los Angeles and San Diego regions. CT claim rates in other regions of California have declined and are lower than the 1998 levels.

Although the WCIRB does not use the phrase “epidemic” some might say this adjective accurately describes the phenomena in Southern California. According to Merriam-Webster, an epidemic is something that is “excessively prevalent”, or “affecting or tending to affect a disproportionately large number of individuals within a population, community, or region at the same time.”

Beginning in 2008, Construction CT claims increased in the Los Angeles Basin and has accelerated in recent years to be 4 times the 2007 lows.

Los Angeles Basin CT rates in Manufacturing diverted from the rest of the state starting in 1999 and accelerated rapidly starting in 2012. The Los Angeles Basin’s share of all Manufacturing claims has been consistent over time, suggesting that some shifting from specific claims to CT claims may be occurring. The recent CT rates of over 20% in the Los Angeles Basin are among the highest of any industry and the growth in this industry is one of the most significant drivers of recent CT claim growth.

The proportion of CT claims has increased in the Los Angeles Basin Trade industry in recent years though at a somewhat less significant rate than in other industries. The percentage of all Trade industry indemnity claims from the Los Angeles Basin has also increased which is partially attributable to the increases in CT claims.

The vast majority of indemnity claims in the Information industry are from the Los Angeles Basin. Unlike other industries, CT rates in the Information sector across California regions have cut in half from the high in 2004.

The Finance & Insurance industry typically has higher CT claim proportions than any other industry. CT claims decreased to historical lows in the Los Angeles Basin during the 2007 – 2008 financial crisis and rebounded since 2010 to more typical levels for this industry.

CT claims have increased significantly in the Los Angeles Basin Real Estate industry and in 2016 are 4 times the 2008 level. CT claims in Real Estate in other regions of California have also increased, but by a less significant magnitude.

The proportion of CT claims in the Administrative industry is increasing across all regions of California though at a faster pace in the Los Angeles Basin.

The ratio of Arts & Entertainment CT claims in the Los Angeles Basin reached a historical high of 15% in 2015, but shows some indications of decline in 2016 . The proportion of all Arts & Entertainment industry claims from the Los Angeles Basin has increased almost 10% in the last 3 years, driven in part by the CT claim growth.

Beginning in 2008 , the ratio of CT claims in the Los Angeles Basin Hospitality industry increased significantly, more than doubling through 2016. Growth in Los Angeles Basin CT claims from this large industry is one of the most significant drivers of the overall recent growth.

The full report available on the WCIRB website continues to report similar data supporting the conclusion that there is indeed a CT epidemic in the Los Angeles Basin.

LETF Targets Unsafe Car Washes

California’s Labor Enforcement Task Force (LETF) is a coalition of California state agencies formed in 2012 to combat the underground economy. The task force operates under the direction of the Department of Industrial Relations (DIR) and conducts monthly inspections in high-risk industries. LETF member partners include DIR divisions Cal/OSHA and the Labor Commissioner’s Office, officially known as the Division of Labor Standards Enforcement, the Contractors State License Board, the Employment Development Department, the California Department of Insurance, the Bureau of Automotive Repair, Alcoholic Beverage Control and the California Department of Tax and Fee Administration.

This week, California’s Labor Enforcement Task Force has discovered safety violations during targeted inspections that put workers in immediate danger of fatal and serious injuries, including amputation and lacerations. The task force issued orders shutting down dangerous machinery at seven high-risk work sites in Southern California, including four car wash and three manufacturing businesses.

At four car washes, task force inspectors discovered that industrial water extractors for towels did not have functioning interlock devices to stop the machines when the door is unlocked or open. Inspectors issued stop orders known as Orders Prohibiting Use to Pasadena Auto Wash, Baldwin Park Hand Car Wash and Star Auto Spa in El Monte, and Fair Oaks Car Wash in Altadena.

Cal/OSHA removed the stop orders at Pasadena Auto Wash and Fair Oaks Car Wash after the machinery was adequately repaired. The other two businesses have not corrected the hazards.

Inspectors also cited Baldwin Park Hand Car Wash $6,000 for violation of child labor laws after finding minors working in dangerous occupations. “LETF monitors not only for safety violations, but also for violations of wage, tax and licensing laws,” added LETF Chief Dominic Forrest. “We issue stop orders when we find hazards that require immediate action to prevent serious injury and we also offer information that helps employers understand and follow their responsibilities.”

Imminent safety hazards were also discovered when LETF inspected three manufacturing companies located in Santa Ana: Maximum Security Safes, Trinity Window Fashions and Pierre’s Fine Carpentry. Inspectors issued orders to shut down woodworking table saws that were not properly guarded. The orders were subsequently lifted after the hazards were corrected.

LETF inspectors also issued stop-work orders and cited Trinity Window Fashions $3,000 and Pierre’s Fine Carpentry $1,500 for failure to maintain workers’ compensation insurance. The orders were lifted after the companies provided proof of insurance.

October 15, 2018 Edition


John Castro is the host for this edition which reports on the following news stories: CVS/Aetna Must Divest Aetna’s Part D Prescription Drug Plan, Convicted Claimant Residence Restrictions Overbroad, Riverside Jury Convicts Former QME for $90K Fraud, Online Dealer Indicted for Fake Oxycoodone Pills, Dairy Worker Sentenced for Faking Injury, NCCI Tracks Key WC “Hot Topics”, Prepaid Debit Cards for California Comp are Not New, Coventry Reports on Topical and Specialty Drugs, Researchers Consider Non-Drug Therapies Over Opioids, Drugmaker Faces Uphill FDA Battle on New Opioid.

San Jose PQME Indicted for Fraud and Illegal Prescribing

A federal grand jury has indicted South Bay doctor and PQME Venkat Aachi, charging him with distributing hydrocodone outside the scope of his professional practice and without a legitimate medical need, and with health care fraud related to the submission of false and fraudulent claims regarding the health care benefits.

Aachi is listed on the DIR database as a PQME in Physical Medicine and Rehabilitation with offices in San Jose and Campbell California.

According to the indictment filed October 9, 2018, and unsealed Friday, October 12, 2018, on six occasions from November 27, 2017, through March 5, 2018, Aachi knowingly distributed hydrocodone to two individuals knowing that the distribution was outside the scope of his professional practice and not for a legitimate medical purpose.

Further, on July 2, 2018, Aachi allegedly submitted to an insurance company a false and fraudulent claim for payment for healthcare benefits, items, and services.

Aachi made an initial appearance on October 12, 2018, before U.S. Magistrate Judge Virginia K DeMarchi. At that time, he was arraigned on the indictment, entered a plea of not guilty, and was released on bond. Aachi is scheduled to appear next before Magistrate Judge DeMarchi on October 22, 2018, for a further bond hearing.

If convicted, Aachi faces a maximum 20 years in prison and a one-million dollar fine for each of the six distribution counts and an additional 10 years in prison for the insurance fraud count.

Assistant U.S. Attorney Shailika Kotiya is prosecuting the case with the assistance of Rawaty Yim.

This prosecution is the result of investigations by the DEA, FBI, HHS-OIG, and the California Department of Justice Bureau of Medi Cal Fraud and Elder Abuse (BMFEA).

Through the BMFEA, the California Department of Justice regularly works with other law enforcement agencies to investigate and prosecute fraud perpetrated on the Medi Cal program against a wide variety of healthcare providers, including doctors and pharmaceutical companies.

This case was investigated and prosecuted by member agencies of the Organized Crime Drug Enforcement Task Force, a focused multi-agency, multi-jurisdictional task force investigating and prosecuting the most significant drug trafficking organizations throughout the United States by leveraging the combined expertise of federal, state, and local law enforcement agencies.

Uninsured Subcontractor Must Repay Contract Payments

In 2013 D.L. Falk Construction, Inc. entered into a contract with the Central Contra Costa Sanitary District under which Falk was to be general contractor on district project No. 8226, “Seismic Improvements for HOB.”

The project involved seismic upgrades for the District in Martinez, which required removing various existing finishes to expose the building’s structural steel columns; strengthening the columns by welding on specially manufactured pieces; testing the columns; and restoring the building’s finishes to make it ready for occupancy.

B.A. Retro, Inc. was a subcontractor on a project on which D.L. Falk Construction, Inc.was the general contractor. Retro began sending workers to the project, who were from the union hall. Retro’s work on the project was, as its President acknowledged, dangerous: it included working “with heavy metal objects”; lifting “big plates from trucks into the work site”; some “welding” that required a “fire watch” mandated by law; and similar dangerous activities.

At the conclusion of the project, Retro sued Falk for $260,000, the amount it claimed Falk owed on the balance of the subcontract. This was in addition to the $440,447 Falk had had paid Retro on the contract by that time.

During litigation, Falk learned that Retro had begun work on the job at a time when it did not have workers’ compensation insurance, the effect of which was to cause an automatic suspension of its license. Retro’s certified license certificate showed that at the time of the subcontract with Falk Retro had an “exemption from workers’ compensation” insurance, which exemption is available only if the contractor had no employees.

The case proceeded to a court trial on the licensure issue,as a defense to the contract balance, and a cross complaint by Falk for restitution of the $440,447 it had previously paid on the contract. The court ruled against Retro, rejecting its claim of substantial compliance with the licensing law, and entered judgment against Retro on both its claim and Falk’s restitution claim. Retro appealed, and the court of appeal affirmed the trial court in the unpublished case of B.A. Retro, Inc. v. D.L. Falk Construction, Inc.

The Contractors Licensing Law, Business and Professions Code 7031, provides that no person “engaged in the business or acting in the capacity of a contractor” can bring an action for compensation for work requiring a contractor’s license if the person was not properly licensed at all times during the performance of the work. Subdivision (b) permits a person “who utilizes the services of an unlicensed contractor” to bring an action for disgorgement of “all compensation paid to the unlicensed contractor.

The California Supreme Court has acknowledged that the statute, while punitive, is necessary to protect an important public policy. (Hydrotech Systems, Ltd. v. Oasis Waterpark, supra, 52 Cal.3d at pp. 995, 997.)

First Comp Providers Finally Join Opiod Lawsuits

Two Illinois-based nonprofit risk pools, who provide more than 203 local municipalities and other public entities with workers’ compensation and employee healthcare insurance, filed a joint lawsuit in the Circuit Court of Cook County against leading opioid manufacturers, distributors, professional associations, and prescribers. It is the first opioid lawsuit brought by insurance risk pools in Illinois.

The Intergovernmental Risk Management Agency (IRMA) and Intergovernmental Personnel Benefit Cooperative (IPBC), seek injunctive relief and financial compensation from defendants to recoup substantial costs resulting from the far-reaching impact of the over-prescription and abuse of opioid medication. IPBC’s costs include vast expenditures on hospitalizations due to overdose, addiction treatment services, and overdose reversal medications, while IRMA has paid millions of dollars in cases involving injured workers who were unnecessarily given long-term opioid prescriptions to treat chronic pain.

The suit alleges opioid manufacturers, including Purdue Pharma, Allergan, and Teva, engaged in aggressive and deceptive marketing campaigns; distributors including AmerisourceBergen, Cardinal Health, and McKesson failed to act as gatekeepers against overprescribing the addictive narcotics; professional organizations including Chicago-based American Academy of Pain Medicine and American Pain Society deceptively promoted the use of opioids for chronic pain management; and suburban Chicago doctors Paul Madison and Joseph Giacchino served as “pill mills,” doling out opioids to anyone who came through the door of their clinic.

The 217 page civil complaint  alleges that the defendants’ plan to flood the Illinois market with opioid medication worked: in 2015, eight million opioid prescriptions were filled in Illinois, the equivalent of 60 prescriptions per 100 people.

The lawsuit is the latest step in a proactive multi-pronged strategy IPBC and IRMA have enacted to address and reduce opioid abuse in their members’ employee communities.

“This lawsuit is about real costs incurred directly as a result of the opioid epidemic. We have seen fully employed, respectable public employees with work injuries who were prescribed opioids unnecessarily and became addicted, ultimately rendering them unable to return to work and costing our members millions,” said IRMA Executive Director Margo Ely. “Opioid abuse and addiction has cost our members through not only lost productivity, but very sad stories of lost careers and lives.”

“As a taxpayer-supported health insurance provider to public entities across Illinois, we have a fiduciary obligation to aggressively seek to recoup the millions of dollars in claim costs that have been wasted due to over-prescription of opioid medications and addiction treatment,” said IPBC Executive Director Dave Cook. “The impact of long-term opioid use and abuse has been significant to our organization financially, and to many of our members who have suffered as a result of defendants’ egregious behavior.”

Founded in 1979, the Intergovernmental Risk Management Agency (IRMA) was the first municipal risk pool in Illinois, and today, provides comprehensive risk management services, including workers’ compensation coverage, for 72 municipal groups in northeastern Illinois.

The Intergovernmental Personnel Benefit Cooperative (IPBC) is a public risk entity pool established in 1979 by Chicago area municipalities to administer some or all of the personnel benefit programs offered by participating members to employees and retirees.

First Comp Providers Finally Join Opioid Lawsuits

Two Illinois-based nonprofit risk pools, who provide more than 203 local municipalities and other public entities with workers’ compensation and employee healthcare insurance, filed a joint lawsuit in the Circuit Court of Cook County against leading opioid manufacturers, distributors, professional associations, and prescribers. It is the first opioid lawsuit brought by insurance risk pools in Illinois.

The Intergovernmental Risk Management Agency (IRMA) and Intergovernmental Personnel Benefit Cooperative (IPBC), seek injunctive relief and financial compensation from defendants to recoup substantial costs resulting from the far-reaching impact of the over-prescription and abuse of opioid medication. IPBC’s costs include vast expenditures on hospitalizations due to overdose, addiction treatment services, and overdose reversal medications, while IRMA has paid millions of dollars in cases involving injured workers who were unnecessarily given long-term opioid prescriptions to treat chronic pain.

The suit alleges opioid manufacturers, including Purdue Pharma, Allergan, and Teva, engaged in aggressive and deceptive marketing campaigns; distributors including AmerisourceBergen, Cardinal Health, and McKesson failed to act as gatekeepers against overprescribing the addictive narcotics; professional organizations including Chicago-based American Academy of Pain Medicine and American Pain Society deceptively promoted the use of opioids for chronic pain management; and suburban Chicago doctors Paul Madison and Joseph Giacchino served as “pill mills,” doling out opioids to anyone who came through the door of their clinic.

The 217 page civil complaint  alleges that the defendants’ plan to flood the Illinois market with opioid medication worked: in 2015, eight million opioid prescriptions were filled in Illinois, the equivalent of 60 prescriptions per 100 people.

The lawsuit is the latest step in a proactive multi-pronged strategy IPBC and IRMA have enacted to address and reduce opioid abuse in their members’ employee communities.

“This lawsuit is about real costs incurred directly as a result of the opioid epidemic. We have seen fully employed, respectable public employees with work injuries who were prescribed opioids unnecessarily and became addicted, ultimately rendering them unable to return to work and costing our members millions,” said IRMA Executive Director Margo Ely. “Opioid abuse and addiction has cost our members through not only lost productivity, but very sad stories of lost careers and lives.”

“As a taxpayer-supported health insurance provider to public entities across Illinois, we have a fiduciary obligation to aggressively seek to recoup the millions of dollars in claim costs that have been wasted due to over-prescription of opioid medications and addiction treatment,” said IPBC Executive Director Dave Cook. “The impact of long-term opioid use and abuse has been significant to our organization financially, and to many of our members who have suffered as a result of defendants’ egregious behavior.”

Founded in 1979, the Intergovernmental Risk Management Agency (IRMA) was the first municipal risk pool in Illinois, and today, provides comprehensive risk management services, including workers’ compensation coverage, for 72 municipal groups in northeastern Illinois.

The Intergovernmental Personnel Benefit Cooperative (IPBC) is a public risk entity pool established in 1979 by Chicago area municipalities to administer some or all of the personnel benefit programs offered by participating members to employees and retirees.

First Comp Providers Finally Join Opioid Lawsuits

Two Illinois-based nonprofit risk pools, who provide more than 203 local municipalities and other public entities with workers’ compensation and employee healthcare insurance, filed a joint lawsuit in the Circuit Court of Cook County against leading opioid manufacturers, distributors, professional associations, and prescribers. It is the first opioid lawsuit brought by insurance risk pools in Illinois.

The Intergovernmental Risk Management Agency (IRMA) and Intergovernmental Personnel Benefit Cooperative (IPBC), seek injunctive relief and financial compensation from defendants to recoup substantial costs resulting from the far-reaching impact of the over-prescription and abuse of opioid medication. IPBC’s costs include vast expenditures on hospitalizations due to overdose, addiction treatment services, and overdose reversal medications, while IRMA has paid millions of dollars in cases involving injured workers who were unnecessarily given long-term opioid prescriptions to treat chronic pain.

The suit alleges opioid manufacturers, including Purdue Pharma, Allergan, and Teva, engaged in aggressive and deceptive marketing campaigns; distributors including AmerisourceBergen, Cardinal Health, and McKesson failed to act as gatekeepers against overprescribing the addictive narcotics; professional organizations including Chicago-based American Academy of Pain Medicine and American Pain Society deceptively promoted the use of opioids for chronic pain management; and suburban Chicago doctors Paul Madison and Joseph Giacchino served as “pill mills,” doling out opioids to anyone who came through the door of their clinic.

The 217 page civil complaint  alleges that the defendants’ plan to flood the Illinois market with opioid medication worked: in 2015, eight million opioid prescriptions were filled in Illinois, the equivalent of 60 prescriptions per 100 people.

The lawsuit is the latest step in a proactive multi-pronged strategy IPBC and IRMA have enacted to address and reduce opioid abuse in their members’ employee communities.

“This lawsuit is about real costs incurred directly as a result of the opioid epidemic. We have seen fully employed, respectable public employees with work injuries who were prescribed opioids unnecessarily and became addicted, ultimately rendering them unable to return to work and costing our members millions,” said IRMA Executive Director Margo Ely. “Opioid abuse and addiction has cost our members through not only lost productivity, but very sad stories of lost careers and lives.”

“As a taxpayer-supported health insurance provider to public entities across Illinois, we have a fiduciary obligation to aggressively seek to recoup the millions of dollars in claim costs that have been wasted due to over-prescription of opioid medications and addiction treatment,” said IPBC Executive Director Dave Cook. “The impact of long-term opioid use and abuse has been significant to our organization financially, and to many of our members who have suffered as a result of defendants’ egregious behavior.”

Founded in 1979, the Intergovernmental Risk Management Agency (IRMA) was the first municipal risk pool in Illinois, and today, provides comprehensive risk management services, including workers’ compensation coverage, for 72 municipal groups in northeastern Illinois.

The Intergovernmental Personnel Benefit Cooperative (IPBC) is a public risk entity pool established in 1979 by Chicago area municipalities to administer some or all of the personnel benefit programs offered by participating members to employees and retirees.

California Comp Costs Moves One Step From Worst

Workers’ compensation premium rates fell considerably nationwide, while California continued to see among the worst rates in the nation, according to a new study out from the Oregon Department of Consumer and Business Services. The department puts out its Oregon Workers’ Compensation Premium Rate Ranking Summary report every two years. The full report is due out in about two months, and is expected to include details such as classification code rankings for each state.

“We’ve noticed that generally everyone’s still moving down,” said Jay Dotter, who authored the report along with Chris Day. ‘It’s the most we’ve seen for a while.”

Day noted that majority of states saw rates move down on the index. He couldn’t say exactly why that was, but offered some possible explanations.  ‘For (National council on Compensation Insurance) states, loss costs have been dropping,’ Dotter said. ‘We’ve been seeing that the losses due to medical and indemnity have been going down.’

California was behind only New York as the state with highest index rate. New York was in third place in the prior study, and moved up to worst in the nation, which resulted in California moving to second worst.

According to the report in the Insurance Journal, the California Department of Workers’ Compensation, which has touted the success of system-wide changes that have been ongoing over the past six years, took issue with the state’s ranking.

“Oregon’s study is based on the industrial mix in their state and does not reflect actual costs in California’s workers compensation system,” a statement provided by a DWC spokesperson reads.

The Oregon report compares 50 classification codes with the largest losses for Oregon only and is based on payroll figures over a three-year period in that state from 2012 to 2014. This gives an overall index rate for the state based on state rates by class code weighted by premium. The authors of the report use a common set of class codes so they are comparing the rates without a class codes difference added in, since class codes vary broadly from state to state. However, the index rates are based on each state’s rates as of Jan. 1, 2018.

Since the 2012 workers’ comp reforms were enacted, California has seen a reduction in costs to employers while increasing injured workers’ benefits and improving access and quality of evidence-based care, according to the DWC statement.

“This is the result of our work to identify and reduce high litigation and administrative costs,” the statement continues.

The statement also notes that as a result of these changes, the Workers’ Compensation Insurance Rating Bureau has for the past three years consistently recommended that pure premium costs be lowered.

The WCIRB in August submitted to the insurance commissioner proposed advisory pure premium rates to be effective Jan. 1, 2019 that average $1.70 per $100 of payroll. That indicated average pure premium is 4.5 percent less than the average approved July 1, 2018 advisory pure premium rate of $1.78 and 20 percent less than the corresponding industry average filed pure premium rate of $2.13 as of July 1, 2018.

New York was the worst ranked state $3.08, or 181 percent of the study median. New Jersey ($2.84), Alaska ($2.51) and Delaware ($2.50) followed.

Oregon’s $1.15 index rate ranked 46th. North Dakota (.82 cents), Indiana (.87 cents), Arkansas (.90 cents), West Virginia ($1.01) were the top ranked states with the lowest index rates.

Oregon ranked 43rd on the previous list, the best performance since the list first started to be complied in the late 1980s, according to Dotter.  The state ranked 6th on the first report. Oregon later initiated reforms that included reducing litigation and sending contested workers’ comp cases through newly created administrative review processes, according to Dotter.

PD Apportionment Has Two-Prong Burden

Stephen Hom, a San Francisco police officer, suffered an initial industrial injury to his lumbar spine in 2012 in a prior case. The parties in this prior case settled with Stipulations and Request for a permanent disability Award in the amount of 20% permanent disability based on the findings of Primary Treating Physician Dr. William Campbell, who used using the DRE Metric of the AMA Guides to determine the rating.

In 2013, after his initial injury to his lumbar spine, Officer Hom suffered a second admitted industrial injury to his lumber spine, when he was struck by an oncoming vehicle, while on traffic duty. This second injury is the subject of the current litigated case ADJ10658104.

Dr. David Pang served as the AME in the second case. Dr. Pang utilized the ROM method of the AMA Guides to rate applicant’s current whole person impairment (WPI) at 14%, which rates out to 30% PD.

The primary issue at trial was whether defendant has sustained their burden of proof under LC §4664(b) to allow subtraction of applicant’s prior 20% PD award (calculated using the DRE method) regarding his 2012 injury to his lumbar spine, from his current PD level of 30% (calculated using the ROM method) regarding his 2013 injury to his lumbar spine. WCJ found that “apportionment under LC §4664(b) is not applicable in this case.”

The employer petitioned for reconsideration contending that the WCJ erred by not finding overlap between applicant’s two lumbar spine injuries, The WCJ should have subtracted the 20% Permanent Disability (PD) from the first award, from the 30% PD in the second per the apportionment rule set forth in LC §4664(b). Reconsideration was denied in the panel decision of Hom v City and County of San Francisco.

Labor Code §4664(b) provides, “If the applicant has received a prior award of permanent disability, it shall be conclusively presumed that the prior permanent disability exists at the time of any subsequent industrial injury. This presumption is a presumption affecting the burden of proof.”

Case law has repeatedly held that defendant has a two-prong burden of proof regarding apportionment under LC §4664(b): (1) Defendant must first prove that a prior award to the same body part exists, AND (2) Defendant must also prove that there is “overlap” of permanent disability between the initial and subsequent injury. This legal standard was set forth in the 3rd DCA case of Kopping v. WCAB (2006) 71 Cal Comp Cases 1229.

In Kopping, the DCA provided an extensive analysis of the seemingly contradictory language of LC §4664(b) and came up with the only interpretation that made sense to them, which was that the defendant has a two-prong burden of proof under LC §4664(b). “…The burden of proving overlap is part of the employer’s overall burden of proving apportionment, which was not altered by section 4664(b), except to create the conclusive presumption that flows from proving the existence of a prior permanent disability award.”

The WCAB affirmed this two-prong analysis for defendant’s burden of proof under LC §4664(b) in the panel decision of Laster v. City and County of San Francisco, 2014 Cal. Wrk. Comp. PD LEXIS 201.

In the writ denied case of Contra Costa County Fire Protection v. WCAB, (Minvielle), (2010), the WCAB interpreted the burden of proving “overlap” of disabilities to mean that the defendant must use the same metric to measure PD on both the initial and subsequent injuries.

Unfortunately, Dr. Pang, has not accurately understood the correct legal theory to apply in this case.