CARC 252CO · Contractual Obligation
The payer needs supporting documentation before this claim can be processed, and none was received yet.
- Common causes
- Certain services or high-dollar claims routinely require medical records, operative notes, or itemized bills before adjudication.
- Suggested fix
- Submit the required documentation as specified by the payer, often noted in an accompanying remark code.
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.171This payer doesn't cover this service when it's billed by this provider type in this particular facility setting.
Frequently asked questions
What does CARC 252 mean?
The payer needs supporting documentation before this claim can be processed, and none was received yet.
How do I resolve CARC 252?
Submit the required documentation as specified by the payer, often noted in an accompanying remark code.
Why does CARC 252 happen?
Certain services or high-dollar claims routinely require medical records, operative notes, or itemized bills before adjudication.
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.