A52.10 Symptomatic neurosyphilis, unspecified

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) 056-057 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 094.9 Neurosyphilis, unspecified (approximate)

Code annotations containing back-references to A52.10

Back-references to A52.1

• Type 1 Excludes: G99.8 Other specified disorders of nervous system in diseases classified elsewhere ("syphilis (A52.1-)")

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 A52.10

• Tabes, tabetic
• Tabes, tabetic › with › central nervous system syphilis
• Tabes, tabetic › conjugal

Nearby codes

• A52.04 Syphilitic cerebral arteritis
• A52.05 Other cerebrovascular syphilis
• A52.06 Other syphilitic heart involvement
• A52.09 Other cardiovascular syphilis
• A52.1 Symptomatic neurosyphilis
• A52.10 Symptomatic neurosyphilis, unspecified (this code)
• A52.11 Tabes dorsalis
• A52.12 Other cerebrospinal syphilis
• A52.13 Late syphilitic meningitis
• A52.14 Late syphilitic encephalitis
• A52.15 Late syphilitic neuropathy