Denial Code 139 (CO-139, PR-139) — Meaning & What to Do
Claim Adjustment Reason Code (CARC)
What denial code 139 means: Contracted funding limits for this service have been reached.
What to do about denial code 139: Ask the provider's billing office to explain or correct this, and resubmit if needed.
CO-139 vs PR-139 vs OA-139: what the prefix means
| Code on your EOB | What the prefix means | Who typically pays |
|---|---|---|
| CO-139 | Contractual obligation — the provider writes the amount off | Usually not the patient |
| PR-139 | Patient responsibility | The patient |
| OA-139 | Other adjustment | Often another payer or plan |
The prefix tells you who is expected to absorb the amount; the number (139) tells you why.
Seeing denial code 139 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.
Related codes
CARC 137A regulatory penalty or fee was applied.
CARC 140The patient/insured health-ID number and name don't match.
CARC 136The claim failed a required 'present on admission' indicator check.
CARC 142The claim was adjusted under a monthly Medicaid patient-liability rule.
Keep reviewing your bill
- Medical Bill vs EOB: What Is the Difference?
- How to Dispute a Medical Bill — Find Billing Errors Before You Pay
- What Is an Itemized Medical Bill? How to Request One
Frequently asked questions about Denial code 139
What does denial code 139 mean on my EOB?
Contracted funding limits for this service have been reached.
What should I do about denial code 139?
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.