A52.05 Other cerebrovascular syphilis

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

Applicable to

• Syphilitic cerebral aneurysm (ruptured) (non-ruptured)
• Syphilitic cerebral thrombosis

MS-DRG index

Defines the logic of DRG(s) 314-316 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 093.89 Other specified cardiovascular syphilis (approximate)

Code annotations containing back-references to A52.05

Back-references to A52.05

• Type 1 Excludes: I60 Nontraumatic subarachnoid hemorrhage ("syphilitic ruptured cerebral aneurysm (A52.05)")
• Type 1 Excludes: I68.8 Other cerebrovascular disorders in diseases classified elsewhere ("syphilitic cerebral aneurysm (A52.05)")

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 A52.05

• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) › brain › syphilitic (hemorrhage)
• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) › carotid artery (common) (external) › syphilitic › intracranial
• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) › central nervous system, syphilitic
• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) › syphilitic (aorta) › central nervous system
• Angiopathia, angiopathy › retinae syphilitica
• Hemorrhage, hemorrhagic (concealed) › brain (miliary) (nontraumatic) › due to › syphilis
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › aneurysm (cerebral)
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › hemorrhagic
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › thrombosis (cerebral)
• Neurosyphilis (arrested) (early) (gumma) (late) (latent) (recurrent) (relapse) › vascular (cerebral) NEC
• Rupture, ruptured › brain › aneurysm (congenital) › syphilitic
• Syphilis, syphilitic (acquired) › aneurysm (aorta) (ruptured) › central nervous system
• Syphilis, syphilitic (acquired) › central nervous system (late) (recurrent) (relapse) (tertiary) › aneurysm
• Syphilis, syphilitic (acquired) › central nervous system (late) (recurrent) (relapse) (tertiary) › vascular
• Syphilis, syphilitic (acquired) › cerebral › thrombosis
• Syphilis, syphilitic (acquired) › cerebrovascular
• Syphilis, syphilitic (acquired) › vascular › brain (cerebral)
• Thrombosis, thrombotic (bland) (multiple) (progressive) (silent) (vessel) › brain (artery) (stem) › due to syphilis

Nearby codes

• A52.00 Cardiovascular syphilis, unspecified
• A52.01 Syphilitic aneurysm of aorta
• A52.02 Syphilitic aortitis
• A52.03 Syphilitic endocarditis
• A52.04 Syphilitic cerebral arteritis
• A52.05 Other cerebrovascular syphilis (this code)
• A52.06 Other syphilitic heart involvement
• A52.09 Other cardiovascular syphilis
• A52.1 Symptomatic neurosyphilis
• A52.10 Symptomatic neurosyphilis, unspecified
• A52.11 Tabes dorsalis