Denial Code 193 (CO-193, PR-193) — Meaning & What to Do

Claim Adjustment Reason Code (CARC)

What denial code 193 means: The original claim was rejected or denied for a coverage reason.
What to do about denial code 193: Ask the provider's billing office to explain or correct this, and resubmit if needed.

CO-193 vs PR-193 vs OA-193: what the prefix means

Code on your EOBWhat the prefix meansWho typically pays
CO-193Contractual obligation — the provider writes the amount offUsually not the patient
PR-193Patient responsibilityThe patient
OA-193Other adjustmentOften another payer or plan

The prefix tells you who is expected to absorb the amount; the number (193) tells you why.

Related codes

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Frequently asked questions about Denial code 193

What does denial code 193 mean on my EOB?

The original claim was rejected or denied for a coverage reason.

What should I do about denial code 193?

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