Q84.6

Q84.6: Other congenital malformations of nails

Billable / specific codeICD-10-CMPOA exempt

Q84.6 is a billable, specific ICD-10-CM code for other congenital malformations of nails. It is valid for submission on a claim.

Check Q84.6 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Congenital clubnail
Congenital koilonychia
Congenital malformation of nail NOS

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

Q84.6 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

Eponychia
Platyonychia(congenital)
Polyunguia
Anomaly, anomalous›nail
Clubnail›congenital
Displacement, displaced›nail(congenital)
Egg shell nails›congenital
Hypoplasia, hypoplastic›nail(s)
Koilonychia›congenital
Longitudinal stripes or grooves, nails›congenital
Malformation›nail
Onychodystrophy›congenital

Code history

Unchanged in every release from FY2024 to FY2027.