Denial Code 187 (CO-187, PR-187) — Meaning & What to Do
Claim Adjustment Reason Code (CARC)
What denial code 187 means: This relates to a consumer-spending-account (like an HSA/FSA) payment.
What to do about denial code 187: Check your HSA/FSA records for this transaction.
CO-187 vs PR-187 vs OA-187: what the prefix means
| Code on your EOB | What the prefix means | Who typically pays |
|---|---|---|
| CO-187 | Contractual obligation — the provider writes the amount off | Usually not the patient |
| PR-187 | Patient responsibility | The patient |
| OA-187 | Other adjustment | Often another payer or plan |
The prefix tells you who is expected to absorb the amount; the number (187) tells you why.
Related codes
CARC 186A level-of-care change adjustment was applied.
CARC 188This product/procedure is only covered when used with another service.
CARC 185The rendering provider isn't eligible to perform this service.
CARC 189A not-otherwise-classified code was used when a specific code exists.
Keep reviewing your bill
- Medical Bill vs EOB: What Is the Difference?
- How to Dispute a Medical Bill — Find Billing Errors Before You Pay
Frequently asked questions about Denial code 187
What does denial code 187 mean on my EOB?
This relates to a consumer-spending-account (like an HSA/FSA) payment.
What should I do about denial code 187?
Check your HSA/FSA records for this transaction.
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.