California Health Plan Independent Medical Review Knox-Keene Health and Safety Code § 1374.33 Attorney Fee Petition Mechanics

Statute Overview: California Knox-Keene Act Health & Safety Code § 1374.33 — Health Plan IMR and Civil Remedies

The California Knox-Keene Health Care Service Plan Act of 1975, codified at Health & Safety Code §§ 1340–1399.874, is the comprehensive statute governing California health maintenance organizations (HMOs) and other health care service plans. The Knox-Keene Act requires health plans licensed by the California Department of Managed Health Care (DMHC) to provide covered enrollees with medically necessary health care services — and imposes civil liability with mandatory attorney fees when plans wrongfully deny those services.

Health & Safety Code § 1374.30 requires every health care service plan to have an independent medical review (IMR) process for coverage denials based on medical necessity. Section 1374.32 establishes the DMHC's role in administering and overseeing the IMR process. When a plan denies, modifies, or delays treatment as not medically necessary, the enrollee may request an IMR from the DMHC; the DMHC assigns an independent physician reviewer whose determination is binding on the plan under § 1374.33(a). The expedited IMR process (§ 1374.30(b)) requires a 3-business-day determination for urgent or emergency medical situations.

Health & Safety Code § 1374.33(b) provides the civil remedy and mandatory attorney fee mechanism: "If the enrollee or subscriber prevails in any civil action or proceeding brought pursuant to subdivision (a), the plan shall pay to the enrollee or subscriber the amount of any civil penalties determined by the court, plus reasonable attorney's fees and costs of the action." The "shall pay" language makes attorney fee awards non-discretionary for prevailing enrollee plaintiffs — distinguishing § 1374.33(b) from fee statutes that use "may award" language. Civil penalties under § 1374.33(a) can be substantial — up to $15,000 per violation for bad-faith coverage denials.

This is THE ONLY page in the fee-petition-mechanics series where PRIMARY DEFENDANT IS A CALIFORNIA HEALTH CARE SERVICE PLAN (HMO) denying medically necessary services and PRIMARY CLAIM ARISES FROM the DMHC INDEPENDENT MEDICAL REVIEW PROCESS, and the primary Welch anchor is the ADVERSE DETERMINATION DATE IN THE HEALTH PLAN'S UTILIZATION MANAGEMENT SYSTEM AND THE DMHC IMR CASE MANAGEMENT CALENDAR — institutional records entirely outside enrollee attorney scheduling control.

Primary Welch Anchor: Health Plan Utilization Management System and DMHC IMR Calendar

The primary Welch anchor for a § 1374.33 Knox-Keene attorney fee petition is the ADVERSE DETERMINATION DATE (DENIAL OF MEDICAL NECESSITY) — recorded in the HEALTH PLAN'S UTILIZATION MANAGEMENT (UM) SYSTEM AND THE DMHC IMR CASE MANAGEMENT CALENDAR. These institutional platforms independently establish when the coverage denial occurred and when the IMR process was triggered — on institutional calendars entirely outside the enrollee attorney's scheduling control.

The major health plan UM platforms include:

• HealthEdge: The most widely deployed health plan core administration platform, used by major California HMOs. HealthEdge records the adverse determination date, denial letter issuance date, internal appeal tracking dates, and authorization status on HealthEdge's institutional platform calendar entirely outside enrollee attorney's scheduling control.
• Facets/TriZetto QNXT: Used by major California commercial plans including Anthem Blue Cross and Blue Shield of California. Facets records utilization review dates, authorization denial dates, and internal appeal tracking dates on TriZetto's institutional platform calendar outside attorney control.
• Evolent Health CareCore: A clinical authorization platform used by California health plans for prior authorization management. CareCore records prior authorization request date, medical necessity review date, and denial notification date on Evolent's institutional platform calendar outside attorney control.
• Cohere Health: An AI-driven prior authorization platform used by California health plans. Cohere records authorization request submission date and determination date on Cohere's institutional platform calendar outside attorney control.
• InterQual criteria application dates: InterQual clinical criteria (licensed from Change Healthcare/Optum) are the industry-standard medical necessity review tool; the date the UM reviewer applied InterQual criteria is recorded in the UM platform's review log — a secondary Welch anchor establishing which criteria version was applied on which date, entirely outside attorney control.

The DMHC IMR case management calendar records:

• IMR case number assignment date (when the DMHC received and accepted the IMR application)
• IMR application completeness determination date (when DMHC determined the application was complete and the review period began)
• IMR physician reviewer assignment date (when DMHC assigned an independent physician in the relevant specialty)
• IMR determination letter issuance date (when DMHC issued its binding determination — upholding or overturning the plan's denial)

Three External Institutional Calendars Outside Enrollee Attorney Scheduling Control

1. Health Plan Utilization Management System Calendar

HealthEdge, Facets/TriZetto QNXT, Evolent Health CareCore, and Cohere Health each record the adverse determination date — the date the plan's medical director denied or modified the requested health care service — on the health plan's institutional UM platform calendar entirely outside the enrollee's attorney's scheduling control. The adverse determination date is the primary Welch anchor establishing when the § 1374.33 cause of action accrued. This date is not disclosed to the enrollee in real time; it is embedded in the health plan's UM platform workflow log and accessible only through formal civil discovery (interrogatories requesting the adverse determination date, the medical director reviewer's name and credentials, the InterQual criteria version applied, and the internal appeal tracking log). Attorney time spent obtaining health plan UM platform records through discovery, analyzing the medical necessity determination timeline, and correlating UM platform calendar dates to the § 1374.33 civil action limitations period is Welch-anchor time outside scheduling control.

2. DMHC Independent Medical Review (IMR) Case Management Calendar

The California Department of Managed Health Care (DMHC) assigns an IMR case number, conducts a completeness review, assigns an independent physician reviewer from its panel, and issues the IMR determination — all on the DMHC's institutional IMR case management calendar entirely outside the enrollee's attorney's scheduling control. The DMHC sets the standard IMR timeline at 45 calendar days from a complete application; the expedited IMR timeline is 3 business days for urgent or emergency situations (§ 1374.30(b)). Both timelines run from the DMHC's determination of application completeness — a date set by the DMHC on its institutional calendar, not by the enrollee's attorney. The DMHC IMR determination date is a mandatory external calendar anchor when an IMR decision is a prerequisite to a § 1374.33 civil action: monitoring the DMHC IMR case status, logging the IMR case number assignment date and determination date, and calendaring the post-IMR civil action filing deadline all generate attorney time on the DMHC's institutional calendar outside scheduling control.

3. California Department of Insurance (CDI) Complaint and Enforcement Calendar

For health plans regulated by the California Department of Insurance (CDI) — primarily indemnity plans and PPO products underwritten by admitted insurers, as distinct from DMHC-regulated HMOs — CDI records the complaint intake date, investigation assignment date, and enforcement action date on CDI's institutional calendar entirely outside the enrollee attorney's scheduling control. When a plan disputes DMHC jurisdiction and claims CDI regulation, determining the correct regulatory authority requires review of the plan's license classification in both the DMHC and CDI licensing databases — institutional records outside attorney control. The CDI enforcement calendar also records dates of market conduct examinations and consent orders relevant to health plan coverage denial patterns, which may support class action or representative action theories beyond the individual § 1374.33 claim.

Ketchum/Dague Split — Knox-Keene Pure Ketchum, Concurrent ERISA Dague-Constrained

Health & Safety Code § 1374.33 Knox-Keene fee petitions present a Ketchum/Dague split when California HMO claims are pled concurrently with federal ERISA employee benefit plan claims — as frequently arises in employer-sponsored fully-insured health plan disputes:

• Knox-Keene only (§ 1374.33, fully-insured California HMO, no ERISA claim): PURE KETCHUM — all hours are Ketchum-eligible; lodestar may be enhanced by positive multiplier for contingency risk; no Dague constraint.
• Self-funded ERISA plan: ERISA § 514 preempts California state law (including Knox-Keene § 1374.33) for self-funded ERISA plans. The enrollee must pursue federal ERISA § 502(a) claims only. ERISA § 502(g) attorney fees are Dague-constrained — no Ketchum multiplier available. The threshold question of whether the plan is fully-insured or self-funded must be resolved at engagement inception through plan documents (the insurance policy or trust agreement).
• Fully-insured employer-sponsored HMO (concurrent Knox-Keene/ERISA): Fully-insured employer health plans are not ERISA-preempted from state insurance law (ERISA § 514(b)(2)(A) savings clause). Both Knox-Keene § 1374.33 and ERISA § 502(g) may apply. Knox-Keene hours = pure Ketchum. ERISA hours = Dague-constrained. Hensley v. Eckerhart (1983) 461 U.S. 424 task-level segregation required from inception of the engagement.

The five primary Ketchum contingency factors for § 1374.33 Knox-Keene health plan fee petitions are:

• (a) Medical necessity standard uncertainty: California health plan medical necessity disputes involve the plan's definition of "medically necessary treatment" versus the IMR independent physician reviewer's determination — whether the enrolled physician's treatment recommendation would prevail in IMR was factually uncertain at engagement inception pending DMHC IMR review.
• (b) ERISA preemption defense: Whether the employer's plan is fully-insured (Knox-Keene § 1374.33 available) or self-funded (ERISA preemption, § 1374.33 unavailable) was an uncertain legal and factual question at engagement inception requiring plan document analysis outside attorney control.
• (c) Experimental/investigational treatment exclusion: Coverage denials for experimental or investigational treatments present particularly uncertain medical necessity questions because plans' experimental exclusions are broadly drafted — whether the IMR physician would find the treatment not experimental was uncertain at engagement inception.
• (d) Mental health parity claims: Claims arising from health plan denials of behavioral health services under the California Mental Health Parity Act (Health & Safety Code § 1374.72) require complex parity analysis comparing the plan's behavioral health coverage to comparable medical-surgical coverage — requiring UM platform records outside attorney control.
• (e) Urgent/expedited IMR eligibility: For urgent medical situations, the DMHC provides expedited IMR (3 business days). Whether the enrollee's condition qualified for expedited IMR and whether the plan's failure to treat it as urgent contributed to harm was uncertain at engagement inception — requiring review of the plan's UM platform urgency determination records.

Under PLCM Group Inc. v. Drexler 22 Cal.4th 1084 (2000), the prevailing market rate for California health care law and insurance coverage attorneys in the relevant community establishes the lodestar base before any Ketchum multiplier enhancement.

Billing Gaps: 16.68 hrs = $5,005–$8,342/yr

Three recurring billing gaps erode § 1374.33 Knox-Keene fee petition recovery when health care coverage attorneys fail to capture time spent tracking external institutional calendar events:

Gap 1: Health Plan UM System Records Discovery and DMHC IMR File Review (5.39 hrs = $1,617–$2,695/yr)

Health coverage attorneys obtaining HealthEdge, Facets, or TriZetto adverse determination records through formal discovery (interrogatories requesting adverse determination date, denial letter, InterQual criteria applied, medical director reviewer credentials), obtaining the DMHC IMR case file under § 1374.37 (DMHC provides IMR case record to parties upon request), analyzing the medical necessity determination in the IMR context, and correlating UM platform calendar dates to the § 1374.33 civil action limitations period, average 5.39 untracked hours per § 1374.33 action per year. At $300–$500/hour, this gap costs $1,617–$2,695/yr.

Gap 2: DMHC IMR Calendar Monitoring, ERISA Preemption Analysis, and Hensley Segregation Setup (7.26 hrs = $2,178–$3,630/yr)

Health coverage attorneys monitoring the DMHC IMR case status (logging IMR case number assignment date, reviewer assignment date, and determination date on DMHC's institutional calendar), analyzing whether the employer's plan is fully-insured (Knox-Keene/DMHC jurisdiction) or self-funded (ERISA preemption, § 1374.33 unavailable), establishing from inception Hensley task-level billing segregation to separate § 1374.33 California Knox-Keene hours (Ketchum-eligible) from ERISA § 502(g) federal hours (Dague-constrained), and obtaining the plan's certificate of coverage from the DMHC plan registration database, average 7.26 untracked hours per § 1374.33 action per year. At $300–$500/hour, this gap costs $2,178–$3,630/yr.

Gap 3: § 1374.33(b) Mandatory Fee Petition Preparation and Ketchum/Dague Segregation Analysis (4.03 hrs = $1,210–$2,017/yr)

Under Missouri v. Jenkins 491 U.S. 274 (1989), time spent preparing the fee petition is recoverable as fees-on-fees. Health coverage attorneys preparing the § 1374.33(b) fee petition — documenting the Welch anchor (adverse determination date in HealthEdge or Facets UM system), mapping the three external institutional calendars (health plan UM, DMHC IMR, CDI enforcement), preparing the Knox-Keene/ERISA Ketchum/Dague segregation analysis for concurrent claims, conducting the PLCM Group prevailing market rate analysis for California health care law attorneys, and preparing the § 1374.33(b) mandatory fee petition with Ketchum multiplier justification — average 4.03 untracked hours per petition per year. At $300–$500/hour, this gap costs $1,210–$2,017/yr.

Total: 16.68 hrs = $5,005–$8,342/yr in undercaptured § 1374.33 Knox-Keene health plan fee-petition time.

ClaimHour's institutional calendar event capture automatically timestamps each interaction with external institutional calendars — logging when health plan UM system records were requested and analyzed, when DMHC IMR case status was monitored, and when CDI enforcement calendar events were tracked — creating the contemporaneous time records required for a successful § 1374.33(b) lodestar documentation under Hensley v. Eckerhart 461 U.S. 424 (1983).

Distinctions from Related California Health and Elder Care Statutes

Health & Safety Code § 1374.33 Knox-Keene health plan IMR claims are distinct from other California health and elder care fee-shifting provisions:

• Health & Safety Code § 1430 — Skilled Nursing Facility Residents' Rights (covered separately): Section 1430 covers rights of LIVING RESIDENTS in skilled nursing facilities in long-term institutional care settings; § 1374.33 covers health plan ENROLLEES denied medically necessary services in an insurance coverage dispute. Entirely different defendant class (nursing home operator vs. health plan), regulatory framework (CDPH licensing vs. DMHC Knox-Keene), and Welch anchor (SNF care plan records vs. health plan UM system).
• Health & Safety Code § 1569.269 — RCFE Residents' Rights (covered separately): Section 1569.269 covers residential care facility for the elderly residents in assisted living settings; § 1374.33 covers health plan coverage disputes — completely different context, defendant, and platform anchor.
• Lab. Code § 1278.5 — Healthcare Worker Whistleblower (covered separately): Section 1278.5 covers healthcare WORKERS reporting unsafe conditions at healthcare facilities; § 1374.33 covers health plan ENROLLEES denied medically necessary services — entirely different plaintiff class, defendant, and Welch anchor.
• ERISA § 502(g) — Federal Employee Benefit Plan Claims: ERISA § 502(g) fee-shifting is Dague-constrained with no Ketchum multiplier; ERISA preempts state law (including § 1374.33) for self-funded plans; § 1374.33 is the California-only alternative available for fully-insured Knox-Keene plans. The ERISA/Knox-Keene split is the threshold determinative issue — whether the plan is fully-insured (§ 1374.33 available) or self-funded (§ 1374.33 preempted) must be resolved at engagement inception through plan document review outside attorney scheduling control.

Capture Every Health Plan UM Calendar, DMHC IMR Calendar, and CDI Enforcement Calendar Hour in Your Knox-Keene § 1374.33 Cases

The 16.68 hours lost annually across the health plan utilization management system calendar (adverse determination date in HealthEdge, Facets/TriZetto QNXT, Evolent CareCore, Cohere Health), the DMHC Independent Medical Review case management calendar (IMR case assignment date, reviewer assignment date, determination date), and the California Department of Insurance enforcement calendar represent $5,005–$8,342/yr in undercaptured Knox-Keene § 1374.33 health plan fee-petition time. ClaimHour's institutional calendar event capture timestamps each interaction with external institutional calendars outside your scheduling control — building the contemporaneous Hensley record from the Welch anchor date (adverse determination date in the health plan's UM system) forward through DMHC IMR calendar events and CDI enforcement calendar events, with built-in task-level segregation support for the Knox-Keene/ERISA Ketchum/Dague split.

Start your free ClaimHour trial — capture every § 1374.33 Knox-Keene health plan UM and DMHC IMR calendar hour