Q84 Other congenital malformations of integument

Not billable (header)Chapter 17

Report one of the more specific codes below.

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Codes under this one

Q84.0 Congenital alopecia
Q84.1 Congenital morphological disturbances of hair, not elsewhere classified
Q84.2 Other congenital malformations of hair
Q84.3 Anonychia
Q84.4 Congenital leukonychia
Q84.5 Enlarged and hypertrophic nails
Q84.6 Other congenital malformations of nails
Q84.8 Other specified congenital malformations of integument
Q84.9 Congenital malformation of integument, unspecified

Instructional notes

Chapter 17

Excludes2Not included here: the patient may have both; report both when both are present.

inborn errors of metabolism (E70-E88)

Notes

Codes from this chapter are not for use on maternal records

Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1) · Q80-Q89 Other congenital malformations (Q80-Q89)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.