Y99.9
Y99.9: Unspecified external cause status
Billable / specific codeICD-10-CMPOA exempt
Y99.9 is a billable, specific ICD-10-CM code for unspecified external cause status. It is valid for submission on a claim.
Check Y99.9 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Alphabetic index entries that lead here
- External cause status
- Status of external cause
Code history
Unchanged in every release from FY2024 to FY2027.