Q84.3
Q84.3: Anonychia
Billable / specific codeICD-10-CMPOA exempt
Q84.3 is a billable, specific ICD-10-CM code for anonychia. It is valid for submission on a claim.
Check Q84.3 with the rest of the claim: free scrubberExcludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
- nail patella syndrome (Q87.2)
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
Q84.3 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
- Anonychia(congenital)
- Agenesis›nail(s)
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
- Q84.4Congenital leukonychia
- Q84.5Enlarged and hypertrophic nails
- Q84.6Other congenital malformations of nails
- Q84.8Other specified congenital malformations of integument
- Q84.9Congenital malformation of integument, unspecified