B36.1 Tinea nigra

Billable ICD-10-CM code, FY2026.

Applicable to

• Keratomycosis nigricans palmaris
• Microsporosis nigra
• Pityriasis nigra

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 111.1 Tinea nigra

Code annotations containing back-references to B36.1

Back-references to B36

• Code First: M01 Direct infections of joint in infectious and parasitic diseases classified elsewhere ("mycoses (B35-B49)")

Diagnosis Index entries for B36.1

• Infection, infected, infective (opportunistic) › Cladosporium › castellanii
• Infection, infected, infective (opportunistic) › Cladosporium › werneckii
• Keratomycosis › nigrans, nigricans (palmaris)
• Microsporosis › nigra
• Pityriasis (capitis) › nigra
• Tinea (intersecta) (tarsi) › nigra

Nearby codes

• B36 Other superficial mycoses
• B36.0 Pityriasis versicolor
• B36.1 Tinea nigra (this code)
• B36.2 White piedra
• B36.3 Black piedra
• B36.8 Other specified superficial mycoses
• B36.9 Superficial mycosis, unspecified