Authorization denial

A denial can be full or partial

A full denial declines the complete request. A partial denial may approve fewer units, a shorter period, another setting, selected service codes, or only part of the requested treatment. Record the requested and approved values side by side. A portal label such as “denied” cannot supply the missing detail.

Other states require different handling:

• Pending or more information requested: the payer has kept the decision open under its process and identified missing material.
• Technical rejection: the request failed an intake, transaction, member, provider, or formatting rule before a coverage decision.
• Expired or exhausted authorization: a prior approval ended by date, circumstance, or unit use.
• Claim denial: the payer adjudicated a claim after service and declined payment for one or more submitted lines.

Each state needs its own source, owner, deadline, and next action. A correction route can cure a technical defect. A substantive benefit decision may call for an appeal, reconsideration, or another notice-defined process.

Prior authorization answers one coverage question

HealthCare.gov describes preauthorization as a plan decision about medical necessity and cautions that it does not promise the plan will cover the cost. Eligibility, benefits, network status, provider enrollment, contract, service delivery, documentation, coding, timely filing, cost sharing, and claim edits still affect payment.

The clinical recommendation remains separate. A qualified clinician decides what to recommend within scope after reviewing the person, evidence, risks, alternatives, preferences, and context. The payer decides what its plan will authorize. Administrative staff can verify evidence and route the response while preserving the clinician's authorship.

Current CMS denial-reason rules have limited payer scope

CMS explains the affected payer categories in its manifest-provided Prior Authorization API FAQ and second official route. The rule reaches Medicare Advantage organizations, state Medicaid and CHIP fee-for-service programs, Medicaid and CHIP managed-care entities, and QHP issuers on Federally facilitated Exchanges.

For medical items and services excluding drugs, impacted payers must provide a specific reason for a denied prior-authorization request beginning in 2026. Prior Authorization APIs generally become required January 1, 2027. The rule leaves other commercial and employer plans outside that mandatory payer group. It also creates no universal ABA approval criterion.

Capture the complete decision record

Before choosing a response, record:

• member, payer, product, group, request number, and decision date
• requested service, code, units, frequency, period, provider, setting, and location
• approved values beside denied values
• stated reason, plan provision, medical policy, criteria, and version
• records or clinical material available from the payer
• correction, reconsideration, appeal, external review, or fair-hearing route
• filing deadline, submission destination, expedited pathway, and continuation information
• family decision, representative authority, owner, next action, and receipt evidence

For covered Medicaid managed-care entities, 42 CFR 438.404 requires a written notice with the decision, reasons, access to relevant information and criteria, appeal procedures, expedited circumstances, fair-hearing rights, and continuation information. Other products follow their own governing sources.

The Department of Labor's group-health claim guide advises using the denial notice, obtaining relevant records, and submitting supporting evidence through the plan procedure. Apply that guidance only to plans within its scope.

A fictional partial authorization

Amari's clinician requests 160 units of a defined ABA service for an eight-week period. The payer approves 80 units for four weeks and denies the balance. The notice cites a named criterion, gives the approved dates, and lists an internal-appeal deadline.

The record shows 160 units requested, 80 approved, and 80 denied. It also shows eight weeks requested and four approved. The family chooses an appeal. The clinician explains the assessment, recommendation, risk, and current evidence. The appeals specialist verifies identifiers, source versions, the deadline, representative form, transmission route, and acknowledgment.

The practice schedules only within currently effective approvals and clinical requirements. Any continuation, self-pay, or alternate-funding option receives its own legal, financial, and informed-consent review.

Measure denials without hiding open work

Suppose 15 denial notices enter a locked monthly cohort. Thirteen receive complete classification and deadline assignment within one business day, giving timely triage of 13 of 15, or 86.7%. Nine families choose an appeal due during the reporting window. Eight submissions receive timely delivery confirmation, giving timely confirmed filing of 8 of 9, or 88.9%.

Keep the two late triages and one unconfirmed appeal visible by age, owner, and escalation. Segment full, partial, technical, pending-information, and expiration states. Measure overturned, partially overturned, upheld, withdrawn, and pending appeals only after a defined maturity window.