Q84.2 Other congenital malformations of hair

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Congenital hypertrichosis
• Congenital malformation of hair NOS
• Persistent lanugo

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 757.4 Specified anomalies of hair (approximate)

Code annotations containing back-references to Q84.2

Back-references to Q84.2

• Type 1 Excludes: L68 Hypertrichosis ("congenital hypertrichosis (Q84.2)")
• Type 1 Excludes: L68 Hypertrichosis ("persistent lanugo (Q84.2)")

Back-references to Q84

• Type 1 Excludes: P83 Other conditions of integument specific to newborn ("congenital malformations of skin and integument (Q80-Q84)")

Diagnosis Index entries for Q84.2

• Anomaly, anomalous (congenital) (unspecified type) › hair
• Canities (premature) › congenital
• Grayness, hair (premature) › congenital
• Hypertrichosis › congenital
• Hypertrichosis › lanuginosa
• Hypoplasia, hypoplastic › hair
• Malformation (congenital) › hair
• Persistence, persistent (congenital) › lanugo
• Ulerythema › ophryogenes, congenital

Nearby codes

• Q84 Other congenital malformations of integument
• Q84.0 Congenital alopecia
• Q84.1 Congenital morphological disturbances of hair, not elsewhere classified
• Q84.2 Other congenital malformations of hair (this code)
• 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