Denial Code 192 (CO-192, PR-192) — Meaning & What to Do

Claim Adjustment Reason Code (CARC)

What denial code 192 means: A non-standard adjustment was applied by the plan.
What to do about denial code 192: Ask the provider's billing office to explain or correct this, and resubmit if needed.

CO-192 vs PR-192 vs OA-192: what the prefix means

Code on your EOBWhat the prefix meansWho typically pays
CO-192Contractual obligation — the provider writes the amount offUsually not the patient
PR-192Patient responsibilityThe patient
OA-192Other adjustmentOften another payer or plan

The prefix tells you who is expected to absorb the amount; the number (192) tells you why.

Seeing denial code 192 on your EOB?
A denial code tells you what the payer reported, but it may not tell the whole story. Reviewing your EOB and bill together can help clarify what may need attention.

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Related codes

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Frequently asked questions about Denial code 192

What does denial code 192 mean on my EOB?

A non-standard adjustment was applied by the plan.

What should I do about denial code 192?

Ask the provider's billing office to explain or correct this, and resubmit if needed.

Seeing this code on your own EOB?
Upload the EOB, the bill, or both — MD Bill Check reads the codes on your documents, compares them side by side, and flags what's worth questioning. Free, no account needed.

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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.