437.0 CEREBRAL ATHEROSCLEROSIS


Code Information

Diagnosis Code: 437.0

Short Description: Cerebral atherosclerosis

Long Description: Cerebral atherosclerosis

Code Classification:

  • Diseases of the circulatory system (390–459)
    • Cerebrovascular disease (430-438)
      • 437 Other and ill-defined cerebrovascular disease
        • 437.0 Cerebral atherosclerosis

This code is valid for adult diagnoses (age 15 through 124)

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 437.0 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Arteriosclerosis, arteriosclerotic (artery) (deformans) (diffuse) (disease) (endarteritis) (general) (obliterans) (obliterative) (occlusive) (senile) (with calcification) 440.9
    • brain 437.0
    • central nervous system 437.0
    • cerebral 437.0
      • late effect - see Late effect(s) (of) cerebrovascular disease
    • cerebrospinal 437.0
    • cerebrovascular 437.0
    • spinal (cord) 437.0
  • Atheroma, atheromatous (see also Arteriosclerosis) 440.9
    • cerebral (arteries) 437.0
  • Calcification
    • cerebral (cortex) 348.89
      • artery 437.0
  • Degeneration, degenerative
    • brain (cortical) (progressive) 331.9
      • arteriosclerotic 437.0
    • cortical (cerebellar) (parenchymatous) 334.2
      • diffuse, due to arteriopathy 437.0
    • lenticular (familial) (progressive) (Wilson's) (with cirrhosis of liver) 275.1
      • striate artery 437.0
  • Disease, diseased - see also Syndrome
    • brain 348.9
      • arteriosclerotic 437.0
      • organic 348.9
        • arteriosclerotic 437.0
    • cerebrovascular NEC 437.9
      • arteriosclerotic 437.0
  • Encephalopathy (acute) 348.30
    • arteriosclerotic 437.0
      • late effect - see Late effect(s) (of) cerebrovascular disease
  • Hemiplegia 342.9
    • arteriosclerotic 437.0
      • late effect or residual
        • affecting
          • dominant side 438.21
          • nondominant side 438.22
          • unspecified side 438.20
    • due to
      • arteriosclerosis 437.0
        • late effect or residual
          • affecting
            • dominant side 438.21
            • nondominant side 438.22
            • unspecified side 438.20
  • Ischemia, ischemic 459.9
    • cerebral (chronic) (generalized) 437.1
      • arteriosclerotic 437.0
  • Leukoencephalopathy (see also Encephalitis) 323.9
    • arteriosclerotic 437.0
  • Narrowing
    • cerebral arteries 437.0
  • Occlusion
    • cerebrovascular (see also Infarct, brain) 434.9
      • diffuse 437.0
  • Paralysis, paralytic (complete) (incomplete) 344.9
    • arteriosclerotic (current episode) 437.0
      • late effect - see Late effect(s) (of) cerebrovascular disease
  • Sclerosis, sclerotic
    • brain (general) (lobular) 348.89
      • artery, arterial 437.0
      • senile 437.0
    • cerebrovascular 437.0
  • Softening
    • brain (necrotic) (progressive) 348.89
      • arteriosclerotic 437.0
  • Stenosis (cicatricial) - see also Stricture
    • artery NEC (see also Arteriosclerosis) 447.1
      • cerebral 437.0
        • due to
          • embolism (see also Embolism, brain) 434.1
          • thrombus (see also Thrombosis, brain) 434.0
  • Stricture (see also Stenosis) 799.89
    • artery 447.1
      • cerebral 437.0
        • congenital 747.81
        • due to
          • embolism (see also Embolism, brain) 434.1
          • thrombus (see also Thrombosis, brain) 434.0

Crosswalk Information

The code 437.0 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
437.0 Right Arrow I67.2 Cerebral atherosclerosis
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
437.1 Other generalized ischemic cerebrovascular disease
437.2 Hypertensive encephalopathy
437.3 Cerebral aneurysm, nonruptured
437.4 Cerebral arteritis
437.5 Moyamoya disease
437.6 Nonpyogenic thrombosis of intracranial venous sinus
437.7 Transient global amnesia
437.8 Other ill-defined cerebrovascular disease
437.9 Unspecified cerebrovascular disease


This page was last updated on: 10/1/2014