A52.3 Neurosyphilis, unspecified

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

Applicable to

• Gumma (syphilitic)
• Syphilis (late)
• Syphiloma

MS-DRG index

Defines the logic of DRG(s) 056-057 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 094.9 Neurosyphilis, unspecified (approximate)

Code annotations containing back-references to A52.3

Back-references to A52

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

Diagnosis Index entries for A52.3

• Gumma (syphilitic) › central nervous system
• Gumma (syphilitic) › neurosyphilitic
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse)
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › remission in (sustained)
• Syphilis, syphilitic (acquired) › central nervous system (late) (recurrent) (relapse) (tertiary)
• Syphilis, syphilitic (acquired) › central nervous system (late) (recurrent) (relapse) (tertiary) › remission in (sustained)
• Syphilis, syphilitic (acquired) › central nervous system (late) (recurrent) (relapse) (tertiary) › serology doubtful, negative, or positive
• Syphilis, syphilitic (acquired) › early › central nervous system
• Syphilis, syphilitic (acquired) › gumma NEC › central nervous system
• Syphilis, syphilitic (acquired) › late › central nervous system
• Syphilis, syphilitic (acquired) › nervous system, central
• Syphilis, syphilitic (acquired) › primary › central nervous system
• Syphilis, syphilitic (acquired) › tertiary › central nervous system
• Syphiloma › central nervous system

Nearby codes

• A52.15 Late syphilitic neuropathy
• A52.16 Charcot's arthropathy (tabetic)
• A52.17 General paresis
• A52.19 Other symptomatic neurosyphilis
• A52.2 Asymptomatic neurosyphilis
• A52.3 Neurosyphilis, unspecified (this code)
• A52.7 Other symptomatic late syphilis
• A52.71 Late syphilitic oculopathy
• A52.72 Syphilis of lung and bronchus
• A52.73 Symptomatic late syphilis of other respiratory organs
• A52.74 Syphilis of liver and other viscera