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Washington Supreme Court Strikes Down “Maximum Medical Improvement” Limits in Auto Policy Coverage

Posted Tuesday, June 12, 2018 by McKean J. Evans

On June 7, 2018, the Washington Supreme Court, in Durant v. State Farm, ruled insurers may not limit payments to policyholders under auto insurance Personal Injury Protection (“PIP”) to only treatment needed for the insured to reach “maximum medical improvement” (“MMI”).

PIP coverage is required to be offered in Washington auto insurance policies. In exchange for additional premiums, PIP coverage requires the insurer to pay for the insured’s medical expenses related to physical injuries covered under the policy. In the Durant case, State Farm’s PIP coverage contained an additional sentence: “Medical services must also be essential in achieving maximum medical improvement for the injury you sustained in the accident.”

After State Farm refused to pay medical bills State Farm claimed were not essential to MMI, Durant hired a lawyer and filed a lawsuit challenging State Farm’s limitation on PIP coverage payments for only medical bills essential to achieving MMI. Durant claimed the MMI limitation violated Washington’s insurance regulation governing PIP coverage, WAC 284-30-395(1), which limits the reasons insurers may use to deny PIP coverage.

The Supreme Court agreed with Durant. The court applied the plain language of WAC 285-30-395(1), which provides three bases on which an insurer may deny PIP claims:

“the medical and hospital services: (a) Are not reasonable;(b) Are not necessary;(c) Are not related to the accident; or (d) Are not incurred within three years of the automobile accident. These are the only grounds for denial, limitation or termination of medical and hospital services permitted…”

The court determined the final sentence was dispositive: insurers may deny PIP coverage only for the four reasons identified in the regulation. Since “essential to maximum medical improvement” is not identified in the regulation, it is an invalid basis on which to deny PIP coverage.

State Farm argued the MMI limitation was part of the permissible limitation to medical services that are “reasonable” or “necessary.” But the court noted State Farm’s policy limited PIP coverage to medical bills that were “reasonable,” “necessary,” and essential to MMI. Thus, the court concluded the MMI limitation improperly exceeded the scope of the “reasonable and necessary” requirement. The court also noted Washington’s Insurance Commissioner previously warned insurers adding criteria to PIP benefit payments violates WAC 285-30-395(1).

The court confirmed WAC 285-30-395(1) and related statues “reflect Washington’s strong public policy in favor of the full compensation of medical benefits for victims of road accidents.” State Farm’s limitation unlawfully “denies Durant his PIP medical benefits necessary to return him to his pre-injury state.”

The Durant ruling clarifies an important aspect of Washington insurance law and confirms insureds’ right to coverage for medical treatment for injuries sustained in auto collisions.

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