CA Workers Comp Specialist study materials
CA Workers Comp Specialist study resources

CA Workers Comp Specialist key terms

CA Workers Comp Specialist · Get comfortable with the vocabulary.

Date of Injury (DOI)

The date an injury occurred or the date a worker knew or should have known that an injury was caused by work. It starts most claim deadlines and benefit calculations.

Related: Cumulative Trauma, Specific Injury
Specific Injury

An injury caused by one incident at a definite time and place, such as a fall from a ladder. The incident date is generally the date of injury.

Related: Cumulative Trauma, Date of Injury (DOI)
Cumulative Trauma

An injury occurring gradually from repetitive physical or mental stress over time rather than from a single event. The date of injury is generally the date of last injurious exposure or disability.

Related: Specific Injury, Date of Injury (DOI)
DWC-1 Claim Form

The state-mandated form an injured worker files to report a work injury and request benefits. Filing it generally starts the claims process and triggers the employer's response duties.

Related: Claims Administrator, Delay Letter
Claims Administrator

The insurer, self-insured employer, or third-party administrator that adjusts a workers' compensation claim. It investigates, pays benefits, and handles medical and indemnity decisions.

Related: DWC-1 Claim Form, Delay Letter
Delay Letter

A written notice telling the injured worker that the claims administrator needs more time to decide whether to accept the claim. It must explain the reasons and what information is still needed.

Related: Denial Letter, Claims Administrator
Denial Letter

A written notice rejecting liability for a claim and stating the factual and legal reasons for the rejection. It must inform the worker of appeal rights and available dispute processes.

Related: Delay Letter, Qualified Injured Worker (Qiw)
Qualified Injured Worker (Qiw)

A worker who has suffered a work injury and meets specific statutory conditions, including having worked for the employer for at least 90 days. QIW status protects against discriminatory termination.

Related: Denial Letter, Claims Administrator
Temporary Total Disability (Ttd)

Wage replacement paid while an injured worker is unable to work at all during recovery. It continues until the worker reaches maximum medical improvement or is released to work.

Related: Temporary Partial Disability (Tpd), Permanent Disability (Pd)
Temporary Partial Disability (Tpd)

Wage replacement paid when a recovering worker can do some work but earns less than before the injury because of the injury. It bridges the gap between actual wages and pre-injury earnings.

Related: Temporary Total Disability (Ttd), Permanent Disability (Pd)
Permanent Disability (Pd)

Compensation for lasting impairment and reduced future earning capacity after a condition stabilizes. It is rated under the permanent disability schedule and paid in weekly installments.

Related: Permanent Disability Rating (Pdr), Permanent Disability Rating Schedule (Pdrs)
Permanent Disability Rating Schedule (Pdrs)

The official guide used to convert medical findings into a permanent disability percentage. It combines impairment, age, occupation, and adjusted factors into a whole-person rating.

Related: Permanent Disability Rating (Pdr), Apportionment
Permanent Disability Rating (Pdr)

The percentage of permanent disability assigned to a claim after applying the rating schedule. The percentage determines the amount and duration of indemnity payments.

Related: Permanent Disability Rating Schedule (Pdrs), Apportionment
Apportionment

The process of separating the portion of permanent disability caused by the work injury from disability caused by other factors. Only the work-related share is compensable.

Related: Permanent Disability Rating (Pdr), Substantial Medical Evidence
Maximum Medical Improvement (Mmi)

The point when an injured worker's condition has stabilized and further recovery is not reasonably expected. It typically ends temporary disability and triggers permanent disability evaluation.

Related: Permanent And Stationary (P&S), Temporary Total Disability (Ttd)
Permanent And Stationary (P&S)

A medical status meaning the condition has reached a stable plateau and is unlikely to change materially. It often serves as the basis for rating permanent disability.

Related: Maximum Medical Improvement (Mmi), Permanent Disability (Pd)
Medical Treatment Utilization Schedule (Mtus)

The set of evidence-based treatment guidelines adopted for California workers' compensation. It defines what care is reasonable and necessary for various conditions and durations.

Related: Utilization Review (Ur), Independent Medical Review (Imr)
Utilization Review (Ur)

A prospective or concurrent review that decides whether requested medical treatment is medically necessary under the treatment guidelines. It must be timely and performed by qualified reviewers.

Related: Independent Medical Review (Imr), Medical Treatment Utilization Schedule (Mtus)
Independent Medical Review (Imr)

An appeal process where an outside physician reviews a utilization review denial of treatment. It gives the injured worker an independent check on whether care was wrongly withheld.

Related: Utilization Review (Ur), Medical Treatment Utilization Schedule (Mtus)
Qualified Medical Evaluator (Qme)

A physician certified by the state to perform medical-legal evaluations in disputed workers' compensation claims. QMEs issue reports on diagnosis, causation, and permanent disability.

Related: Agreed Medical Evaluator (Ame), Panel Qualified Medical Evaluator
Agreed Medical Evaluator (Ame)

A physician chosen jointly by the injured worker and the claims administrator to resolve medical disputes. The parties generally agree to be bound by the AME's findings.

Related: Qualified Medical Evaluator (Qme), Panel Qualified Medical Evaluator
Panel Qualified Medical Evaluator

A QME selected from a state-issued list when the parties cannot agree on an evaluator. The worker usually picks from a three-physician panel provided by the state.

Related: Qualified Medical Evaluator (Qme), Agreed Medical Evaluator (Ame)
Substantial Medical Evidence

Medical opinion that is credible, well-reasoned, and based on adequate history and examination. Ratings and disputed findings must rest on this level of evidence to be upheld.

Related: Apportionment, Qualified Medical Evaluator (Qme)
Official Medical Fee Schedule (Omfs)

The state-adopted schedule setting maximum allowable fees for medical services, goods, and procedures in workers' compensation. It controls how much providers may be paid.

Related: Current Procedural Terminology (Cpt), Explanation Of Review (Eor)
Current Procedural Terminology (Cpt)

A standardized numeric coding system used to describe medical procedures and services on bills. Payers use these codes with the fee schedule to determine allowed amounts.

Related: Icd-10-Cm Codes, Official Medical Fee Schedule (Omfs)
Icd-10-Cm Codes

Standardized diagnosis codes describing the nature of an injury or illness. They support medical necessity, billing accuracy, and outcome tracking on claim documents.

Related: Current Procedural Terminology (Cpt), Official Medical Fee Schedule (Omfs)
Explanation Of Review (Eor)

A document accompanying a payment or denial that explains how a medical bill was adjusted. It shows allowed amounts, paid amounts, and the reasons for any reduction.

Related: Official Medical Fee Schedule (Omfs), Second Bill Review
Second Bill Review

A formal re-examination of a paid or adjusted medical bill at the provider's request. It checks whether the original payment correctly applied the fee schedule and coding rules.

Related: Explanation Of Review (Eor), Official Medical Fee Schedule (Omfs)
Independent Bill Review (Ibr)

A dispute process for disagreements over the amount paid for medical services after second bill review. An independent reviewer decides the correct payment under the fee schedule.

Related: Second Bill Review, Explanation Of Review (Eor)
Resource-Based Relative Value Scale (Rbrvs)

A payment methodology that assigns relative values to medical services based on the resources required to provide them. It is often used to calculate allowed amounts under the fee schedule.

Related: Official Medical Fee Schedule (Omfs), Current Procedural Terminology (Cpt)
Permanent Disability Advances

Payments made toward an anticipated permanent disability award before the rating is finalized. They are credited against the eventual award to avoid duplicate payment.

Related: Permanent Disability (Pd), Permanent Disability Rating (Pdr)
Life Pension

An additional weekly payment owed after permanent disability payments end when disability exceeds a statutory threshold. It continues for the worker's lifetime at a reduced rate.

Related: Permanent Disability (Pd), Permanent Disability Rating (Pdr)
Supplemental Job Displacement Benefit (Sjdb)

A voucher providing education or retraining for workers who cannot return to their former job because of permanent restrictions. Eligibility depends on timely offer of modified work.

Related: Permanent Disability (Pd), Qualified Injured Worker (Qiw)
Modified Work

A job assignment adjusted to fit an injured worker's medical restrictions, often used to end temporary disability. A timely written offer can affect supplemental benefit eligibility.

Related: Supplemental Job Displacement Benefit (Sjdb), Temporary Partial Disability (Tpd)
Workers' Compensation Appeals Board (Wcab)

The state tribunal that resolves disputes over benefits, ratings, and medical issues. It holds hearings and issues decisions that can be reviewed by higher courts.

Related: Substantial Medical Evidence, Qualified Injured Worker (Qiw)
Statute Of Limitations

The deadline for filing a claim or petition, generally one year from the injury or last payment. Missing it can bar benefits unless an exception applies.

Related: Date of Injury (DOI), Cumulative Trauma
Compromise And Release (C&R)

A settlement resolving a claim by paying a lump sum that closes all or specified issues. The worker gives up future benefits for the settled issues.

Related: Stipulated Award, Permanent Disability (Pd)
Stipulated Award

A settlement where the parties agree on specific benefits and future medical care remains open. Payments may be made over time rather than as a single lump sum.

Related: Compromise And Release (C&R), Permanent Disability (Pd)
Lien

A claim filed against a workers' compensation case by a provider or other party seeking payment from the award. It can reduce the injured worker's net recovery if upheld.

Related: Official Medical Fee Schedule (Omfs), Independent Bill Review (Ibr)