A52.05 is the authoritative medical code for Other cerebrovascular syphilis. This classification is used in medical billing and clinical recording to specify the clinical criteria for other cerebrovascular syphilis (ICD-10-CM A52.05), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Other cerebrovascular syphilis is a billable ICD-10-CM diagnosis code A52.05. Inclusion terms: Syphilitic cerebral aneurysm ruptured non-ruptured; Syphilitic cerebral thrombosis. Excludes1 (not coded here): nonspecific and nongonococcal urethritis N34.1; Reiter's disease M02.3-. Excludes2 (not included here): human immunodeficiency virus HIV disease B20.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for A52.05 in the official ICD-10-CM tabular list.
Inclusion Terms
Alternative terms the tabular list files under this code.
- Syphilitic cerebral aneurysm ruptured non-ruptured
- Syphilitic cerebral thrombosis
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- nonspecific and nongonococcal urethritis N34.1
- Reiter's disease M02.3-
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- human immunodeficiency virus HIV disease B20
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with A52.05?
Per Excludes1 instructions, A52.05 must not be reported with: nonspecific and nongonococcal urethritis (N34.1); Reiter's disease (M02.3-).
Can A52.05 be reported alongside related conditions?
Per Excludes2 instructions, A52.05 and the following may both be reported when both are present: human immunodeficiency virus [HIV] disease (B20).
What conditions are included under A52.05?
Other cerebrovascular syphilis includes: Syphilitic cerebral aneurysm (ruptured) (non-ruptured); Syphilitic cerebral thrombosis.
Codes in This Family (33)
Official ICD-10-CM classifications in the same code family as A52.05, with their registry titles.
- A52 — Late syphilis
- A52.0 — Cardiovascular and cerebrovascular syphilis
- A52.00 — Cardiovascular syphilis, unspecified
- A52.01 — Syphilitic aneurysm of aorta
- A52.02 — Syphilitic aortitis
- A52.03 — Syphilitic endocarditis
- A52.04 — Syphilitic cerebral arteritis
- A52.06 — Other syphilitic heart involvement
- 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
- A52.14 — Late syphilitic encephalitis
- A52.15 — Late syphilitic neuropathy
- A52.16 — Charcôt's arthropathy (tabetic)
- A52.17 — General paresis
- A52.19 — Other symptomatic neurosyphilis
- A52.2 — Asymptomatic neurosyphilis
- A52.3 — Neurosyphilis, unspecified
- 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
- A52.75 — Syphilis of kidney and ureter
- A52.76 — Other genitourinary symptomatic late syphilis
- A52.77 — Syphilis of bone and joint
- A52.78 — Syphilis of other musculoskeletal tissue
- A52.79 — Other symptomatic late syphilis
- A52.8 — Late syphilis, latent
- A52.9 — Late syphilis, unspecified
Indexed Clinical Terms (18)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- 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 NEC (cerebral)
- 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
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: