A51.32 Syphilitic alopecia

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 091.82 Syphilitic alopecia

Code annotations containing back-references to A51.32

Back-references to A51

• Type 2 Excludes: N34 Urethritis and urethral syndrome ("urethritis in diseases with a predominantly sexual mode of transmission (A50-A64)")

Diagnosis Index entries for A51.32

• Alopecia (hereditaria) (seborrheica) › specific (syphilitic)
• Alopecia (hereditaria) (seborrheica) › syphilitic (secondary)
• Syphilis, syphilitic (acquired) › alopecia (secondary)

Nearby codes

• A51.0 Primary genital syphilis
• A51.1 Primary anal syphilis
• A51.2 Primary syphilis of other sites
• A51.3 Secondary syphilis of skin and mucous membranes
• A51.31 Condyloma latum
• A51.32 Syphilitic alopecia (this code)
• A51.39 Other secondary syphilis of skin
• A51.4 Other secondary syphilis
• A51.41 Secondary syphilitic meningitis
• A51.42 Secondary syphilitic female pelvic disease
• A51.43 Secondary syphilitic oculopathy