CO-167: Diagnosis Not Covered
This/these diagnosis(es) is/are not covered. The payer does not provide coverage for the submitted diagnosis code.
Why Claims Get Denied with CO-167
Denial code CO-167 is triggered when this/these diagnosis(es) is/are not covered. the payer does not provide coverage for the submitted diagnosis code. Understanding the root causes helps prevent future denials and strengthens your appeal when one occurs.
Screening diagnosis code used when a medical diagnosis is required
ICD-10 code is not on the payer's list of covered diagnoses for the procedure
Symptom code used when a definitive diagnosis is available
Workers' compensation or auto insurance diagnosis restrictions
How to Appeal CO-167
Review whether a more specific or alternative ICD-10 code is supported by the documentation that would meet coverage criteria. If the original diagnosis is clinically accurate, provide documentation establishing that the condition requires the billed service and reference any applicable LCD/NCD policies.
Documentation Required for Appeal
A successful appeal of CO-167 requires thorough documentation. Gather these items before drafting your appeal letter:
Clinical documentation supporting the diagnosis
Alternative ICD-10 codes supported by the medical record
Payer LCD/NCD showing covered diagnoses
Letter of medical necessity if needed
How to Prevent CO-167 Denials
Check payer coverage policies for diagnosis-procedure pairings before submission. Use the most specific ICD-10 code supported by documentation. Avoid unspecified codes when specificity is available.
Stop Fighting CO-167 Denials Manually
RediClaim generates payer-specific appeal letters for CO-167 denials in under 60 seconds, complete with the clinical arguments and documentation references that win reversals.