Denial Code 150 (CO-150, PR-150) — Meaning & What to Do

Claim Adjustment Reason Code (CARC)

What denial code 150 means: The information submitted doesn't support this level of service.
What to do about denial code 150: If you believe this is wrong, you can appeal with supporting notes from your doctor.

CO-150 vs PR-150 vs OA-150: what the prefix means

Code on your EOBWhat the prefix meansWho typically pays
CO-150Contractual obligation — the provider writes the amount offUsually not the patient
PR-150Patient responsibilityThe patient
OA-150Other adjustmentOften another payer or plan

The prefix tells you who is expected to absorb the amount; the number (150) tells you why.

Related codes

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Frequently asked questions about Denial code 150

What does denial code 150 mean on my EOB?

The information submitted doesn't support this level of service.

What should I do about denial code 150?

If you believe this is wrong, you can appeal with supporting notes from your doctor.

Found this code on your bill or EOB?
Upload the document — MD Bill Check decodes every code, checks the math line by line, and explains what's worth questioning.

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Last reviewed 2026-07-07 · MDBillCheck Editorial Team. Plain-English explanations are original wording; always verify the specific reason with your insurer.