A52.13 Late syphilitic meningitis

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

MS-DRG index

Defines the logic of DRG(s) 023-024 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 094.2 Syphilitic meningitis (approximate)

Code annotations containing back-references to A52.13

Back-references to A52.13

• Type 1 Excludes: G01 Meningitis in bacterial diseases classified elsewhere ("neurosyphilis (A52.13)")

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 A52.13

• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › in (due to) › neurosyphilis (late)
• Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › syphilitic (late) (tertiary)
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › arachnoid (adhesive)
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › dura (mater)
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › leptomeninges (aseptic)
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › meningeal, meninges (adhesive)
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › meningitis
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › meningovascular (diffuse)
• Syphilis, syphilitic (acquired) › arachnoid (adhesive) (cerebral) (spinal)
• Syphilis, syphilitic (acquired) › cerebral › meningovascular
• Syphilis, syphilitic (acquired) › dura mater
• Syphilis, syphilitic (acquired) › meninges (adhesive) (brain) (spinal cord)
• Syphilis, syphilitic (acquired) › meningitis
• Syphilis, syphilitic (acquired) › meningovascular

Nearby codes

• A52.09 Other cardiovascular syphilis
• A52.1 Symptomatic neurosyphilis
• A52.10 Symptomatic neurosyphilis, unspecified
• A52.11 Tabes dorsalis
• A52.12 Other cerebrospinal syphilis
• A52.13 Late syphilitic meningitis (this code)
• A52.14 Late syphilitic encephalitis
• A52.15 Late syphilitic neuropathy
• A52.16 Charcot's arthropathy (tabetic)
• A52.17 General paresis
• A52.19 Other symptomatic neurosyphilis