I63.329

Cerebral infarction due to thrombosis of unspecified anterior cerebral artery

Billable / specificHCC V28 249

I63.329 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from I63)

  • occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction

Excludes1

Not coded here — never report together with this code.

  • traumatic intracranial hemorrhage (S06.-) (from I63)
  • neonatal cerebral infarction (P91.82-) (from I63)

Excludes2

Not included here — may be reported together when both conditions exist.

  • certain conditions originating in the perinatal period (P04-P96) (from I63)
  • certain infectious and parasitic diseases (A00-B99) (from I63)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A) (from I63)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from I63)
  • endocrine, nutritional and metabolic diseases (E00-E88) (from I63)
  • injury, poisoning and certain other consequences of external causes (S00-T88) (from I63)
  • neoplasms (C00-D49) (from I63)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from I63)
  • systemic connective tissue disorders (M30-M36) (from I63)
  • transient cerebral ischemic attacks and related syndromes (G45.-) (from I63)
  • chronic, without residual deficits (sequelae) (Z86.73) (from I63)
  • sequelae of cerebral infarction (I69.3-) (from I63)

Use additional code

Add a code to identify the following, if applicable.

  • code to identify presence of: (from I63)
  • alcohol abuse and dependence (F10.-) (from I63)
  • exposure to environmental tobacco smoke (Z77.22) (from I63)
  • history of tobacco dependence (Z87.891) (from I63)
  • hypertension (I10-I1A) (from I63)
  • occupational exposure to environmental tobacco smoke (Z57.31) (from I63)
  • tobacco dependence (F17.-) (from I63)
  • tobacco use (Z72.0) (from I63)
  • 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) (from I63)
  • code, if known, to indicate National Institutes of Health Stroke Scale (NIHSS) score (R29.7-) (from I63)

Parent code

  • I63.32Cerebral infarction due to thrombosis of anterior cerebral arteryHeader

Related codes

  • I63.321Cerebral infarction due to thrombosis of right anterior cerebral arteryBillable
  • I63.322Cerebral infarction due to thrombosis of left anterior cerebral arteryBillable
  • I63.323Cerebral infarction due to thrombosis of bilateral anterior cerebral arteriesBillable

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