Denial Code 115 (CO-115, PR-115) — Meaning & What to Do

Claim Adjustment Reason Code (CARC)

What denial code 115 means: The procedure was postponed, canceled, or delayed.
What to do about denial code 115: If the service didn't happen, you shouldn't be charged for it.

CO-115 vs PR-115 vs OA-115: what the prefix means

Code on your EOBWhat the prefix meansWho typically pays
CO-115Contractual obligation — the provider writes the amount offUsually not the patient
PR-115Patient responsibilityThe patient
OA-115Other adjustmentOften another payer or plan

The prefix tells you who is expected to absorb the amount; the number (115) tells you why.

Seeing denial code 115 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.

Check My EOB

Related codes

Keep reviewing your bill

Frequently asked questions about Denial code 115

What does denial code 115 mean on my EOB?

The procedure was postponed, canceled, or delayed.

What should I do about denial code 115?

If the service didn't happen, you shouldn't be charged for it.

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.

Check My Bill & EOB

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