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I63Non-billableSave

I63 - Cerebral infarction

ICD-10-CM Chapter 9: Diseases of the circulatory system · I60-I69 Cerebrovascular diseases (I60-I69) · Top-level category · FY2027

Coding Guidance

I63 is a non-billable heading. Report one of the 9 more specific codes below.

Includes, Excludes and Coding Notes

IncludesFrom I63

Conditions this code covers.

  • occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction
Excludes 1 — Not Coded HereFrom I63

Mutually exclusive: these conditions are never reported together with this code.

  • neonatal cerebral infarction (P91.82-)
Excludes 2 — Not Included HereFrom I63

Not part of this code; report both codes when the patient has both conditions.

  • chronic, without residual deficits (sequelae) (Z86.73)
  • sequelae of cerebral infarction (I69.3-)
Use Additional CodeFrom I63

Add a secondary code to identify the associated condition or cause when it is documented.

  • code, if applicable, to identify status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
  • code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-)
Excludes 1 — Not Coded HereFrom I60-I69 Cerebrovascular diseases (I60-I69)

Mutually exclusive: these conditions are never reported together with this code.

  • traumatic intracranial hemorrhage (S06.-)
Use Additional CodeFrom I60-I69 Cerebrovascular diseases (I60-I69)

Add a secondary code to identify the associated condition or cause when it is documented.

  • code to identify presence of:
  • alcohol abuse and dependence (F10.-)
  • exposure to environmental tobacco smoke (Z77.22)
  • history of tobacco dependence (Z87.891)
  • hypertension (I10-I1A)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)
Excludes 2 — Not Included HereFrom Chapter I00-I99

Not part of this code; report both codes when the patient has both conditions.

  • 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)

I63.0Cerebral infarction due to thrombosis of precerebral arteries→I63.1Cerebral infarction due to embolism of precerebral arteries→I63.2Cerebral infarction due to unspecified occlusion or stenosis of precerebral arteries→I63.3Cerebral infarction due to thrombosis of cerebral arteries→I63.4Cerebral infarction due to embolism of cerebral arteries→I63.5Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries→I63.6Cerebral infarction due to cerebral venous thrombosis, nonpyogenic→I63.8Other cerebral infarction→I63.9Cerebral infarction, unspecified→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with I63.