Q84.4
Q84.4: Congenital leukonychia
Billable / specific codeICD-10-CMPOA exempt
Q84.4 is a billable, specific ICD-10-CM code for congenital leukonychia. It is valid for submission on a claim.
Check Q84.4 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
Q84.4 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52998Billing and Coding: Surgical Treatment of Nails
- A57666Billing and Coding: Surgical Treatment of Nails
- A59028Billing and Coding: Surgical Treatment of Nails
- A60545Billing and Coding: Surgical Treatment of Nails
Alphabetic index entries that lead here
- Leukonychia›congenital
- Leukopathia unguium›congenital
Code history
Unchanged in every release from FY2024 to FY2027.
Other codes under Q84
- Q84.0Congenital alopecia
- Q84.1Congenital morphological disturbances of hair, not elsewhere classified
- Q84.2Other congenital malformations of hair
- Q84.3Anonychia
- Q84.5Enlarged and hypertrophic nails
- Q84.6Other congenital malformations of nails
- Q84.8Other specified congenital malformations of integument
- Q84.9Congenital malformation of integument, unspecified