CARC 171CO · Contractual Obligation
This payer doesn't cover this service when it's billed by this provider type in this particular facility setting.
- Common causes
- A combination of provider type and facility type that the payer's policy doesn't reimburse for this service.
- Suggested fix
- Review the payer's site-and-provider coverage rules; consider whether the service should be billed under a different provider or facility type.
Related Contractual Obligation codes
107This claim depends on another related claim or service being referenced, but that link wasn't provided.11The diagnosis code doesn't support medical necessity for the procedure billed, based on the payer's coverage edits.13The claim shows a date of service after the patient's recorded date of death.146The diagnosis code billed wasn't a valid, active code as of the date of service.150The documentation submitted doesn't justify the complexity or level of the service billed, commonly seen with evaluation and management visit levels.16The claim is missing required information or contains a billing error that prevented the payer from processing it.170This payer doesn't reimburse this specific provider type for this service.172The payment amount was adjusted because of the rendering provider's specialty designation.
Frequently asked questions
What does CARC 171 mean?
This payer doesn't cover this service when it's billed by this provider type in this particular facility setting.
How do I resolve CARC 171?
Review the payer's site-and-provider coverage rules; consider whether the service should be billed under a different provider or facility type.
Why does CARC 171 happen?
A combination of provider type and facility type that the payer's policy doesn't reimburse for this service.
CARC codes maintained by X12 (x12.org). Descriptions on this site are original reference interpretations. Always verify codes with authoritative sources before making billing decisions.