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I63.21

Non-billable

Cerebral infarction due to unspecified occlusion or stenosis of vertebral arteries

Chapter 9: Diseases of the circulatory system

Additional Information

From parent codes: I00-I99 (Chapter 9)

Excludes 2 — Not Included HereFrom I00-I99

Excludes2 means 'NOT INCLUDED HERE!' An Excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

More Specific Codes (9)

I63.2Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries→I63.20Cerebral infarction due to unspecified occlusion or stenosis of unspecified precerebral arteries→I63.22Cerebral infarction due to unspecified occlusion or stenosis of basilar artery→I63.23Cerebral infarction due to unspecified occlusion or stenosis of carotid arteries→I63.29Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries→I63.211Cerebral infarction due to unspecified occlusion or stenosis of right vertebral artery→I63.212Cerebral infarction due to unspecified occlusion or stenosis of left vertebral artery→I63.213Cerebral infarction due to unspecified occlusion or stenosis of bilateral vertebral arteries→I63.219Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral artery→