CARC 119 Denial Appeal
Benefit maximum / session cap reached
Benefit maximum for this time period or occurrence has been reached.
Why CARC 119 hits behavioral-health claims
Hard visit caps on mental-health care (e.g., 20 sessions/yr) are a core parity battleground; under federal parity these quantitative limits are prohibited unless identical limits apply to medical/surgical care, so payers often convert them to 'soft caps' triggering BH-specific reviews.
The winning argument
An arbitrary numerical session/visit limit on behavioral-health services is a quantitative treatment limitation (QTL) prohibited under MHPAEA unless 'substantially all' comparable medical/surgical benefits carry the same limit; if it is a soft cap, the patient meets medical necessity for continued care.
- Continued evidence-based treatment is necessary to prevent decompensation and a costlier level of care.
- Request the 'substantially all' analysis supporting the cap.
Public sources you can cite
Every argument traces to a verified public source — no invented citations.
X12 — Claim Adjustment Reason Codes (official)
Supports: Official wording of CARC 119
Federal Register — 2024 MHPAEA Final Rule
Supports: Quantitative treatment limits / session caps and the 'substantially all' test
CMS — Mental Health Parity & Addiction Equity Act
Supports: Prohibition on stricter quantitative limits for MH/SUD than med/surg
Sample appeal letter body
Replace the {{placeholders}} with your own information before sending.
We are appealing the denial for {{patient_reference}} under CARC 119 (benefit maximum / session limit reached). Under the Mental Health Parity and Addiction Equity Act, a quantitative treatment limitation such as a session cap may not be applied to behavioral-health benefits unless it applies to substantially all medical/surgical benefits in the same classification. If this is a fixed limit, it is impermissible and the claim must be paid. If it is a soft limit triggering medical-necessity review, please accept this clinical update: the patient continues to experience {{ongoing_symptoms}} and requires continued treatment to prevent decompensation. Terminating care at an arbitrary session count jeopardizes patient safety.You'll need to supply: patient_reference, ongoing_symptoms
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