Q84.6

Billable code

Other congenital malformations of nails

The ICD-10 code for other congenital malformations of nails is Q84.6.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

Congenital clubnail
Congenital koilonychia
Congenital malformation of nail NOS

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

•As a general rule, code to the highest level of specificity supported by the documentation in the medical record.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

7575Approximate match

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

Q84.6 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.