A51.45 Secondary syphilitic hepatitis

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) 441-443 in MDC 07.

Approximate ICD-9-CM (GEMs)

• 091.62 Secondary syphilitic hepatitis

Code annotations containing back-references to A51.45

Back-references to A51.45

• Type 1 Excludes: K77 Liver disorders in diseases classified elsewhere ("secondary syphilis with liver disease (A51.45)")

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 A51.45

• Hepatitis › syphilitic (late) › secondary
• Syphilis, syphilitic (acquired) › secondary (and primary) › hepatitis
• Syphilis, syphilitic (acquired) › secondary (and primary) › liver

Nearby codes

• A51.4 Other secondary syphilis
• A51.41 Secondary syphilitic meningitis
• A51.42 Secondary syphilitic female pelvic disease
• A51.43 Secondary syphilitic oculopathy
• A51.44 Secondary syphilitic nephritis
• A51.45 Secondary syphilitic hepatitis (this code)
• A51.46 Secondary syphilitic osteopathy
• A51.49 Other secondary syphilitic conditions
• A51.5 Early syphilis, latent
• A51.9 Early syphilis, unspecified