Q82.9 Congenital malformation of skin, unspecified

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

Applies from Q82 Other congenital malformations of skin

Excludes1 (never code together)

• acrodermatitis enteropathica (E83.2)
• congenital erythropoietic porphyria (E80.0)
• pilonidal cyst or sinus (L05.-)
• Sturge-Weber (-Dimitri) syndrome (Q85.89)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 757.39 Other specified anomalies of skin (approximate)

Code annotations containing back-references to Q82.9

Back-references to Q82

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

Diagnosis Index entries for Q82.9

• Anomaly, anomalous (congenital) (unspecified type) › ectodermal
• Anomaly, anomalous (congenital) (unspecified type) › sebaceous gland
• Anomaly, anomalous (congenital) (unspecified type) › skin (appendage)
• Defect, defective › ectodermal, congenital
• Deformity › skin (congenital)
• Malformation (congenital) › skin

Nearby codes

• Q82.3 Incontinentia pigmenti
• Q82.4 Ectodermal dysplasia (anhidrotic)
• Q82.5 Congenital non-neoplastic nevus
• Q82.6 Congenital sacral dimple
• Q82.8 Other specified congenital malformations of skin
• Q82.9 Congenital malformation of skin, unspecified (this code)