2023 ICD-10-CM Diagnosis Code I63.5

Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries

    2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
  • I63.5 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • Short description: Cerebral infrc due to unsp occls or stenosis of cerebral art
  • The 2023 edition of ICD-10-CM I63.5 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of I63.5 - other international versions of ICD-10 I63.5 may differ.
The following code(s) above I63.5 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to I63.5:
  • I00-I99
    2023 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 2 Excludes
    • 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.-)
    Diseases of the circulatory system
  • I60-I69
    2023 ICD-10-CM Range I60-I69

    Cerebrovascular diseases

    Type 1 Excludes
    • traumatic intracranial hemorrhage (S06.-)
    Use Additional
    • 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-I16)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    Cerebrovascular diseases
  • I63
    ICD-10-CM Diagnosis Code I63

    Cerebral infarction

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • occlusion and stenosis of cerebral and precerebral arteries, resulting in cerebral infarction
    Type 1 Excludes
    • neonatal cerebral infarction (P91.82-)
    Type 2 Excludes
    • sequelae of cerebral infarction (I69.3-)
    Use Additional
    • 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)
    Cerebral infarction
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
Code annotations containing back-references to I63.5:
  • Type 1 Excludes: I66
    ICD-10-CM Diagnosis Code I66

    Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Includes
    • embolism of cerebral artery
    • narrowing of cerebral artery
    • obstruction (complete) (partial) of cerebral artery
    • thrombosis of cerebral artery
    Type 1 Excludes
    • Occlusion and stenosis of cerebral artery causing cerebral infarction (I63.3-I63.5)
  • Type 2 Excludes: I74
    ICD-10-CM Diagnosis Code I74

    Arterial embolism and thrombosis

      2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
    Code First
    • embolism and thrombosis complicating abortion or ectopic or molar pregnancy (O00-O07, O08.2)
    • embolism and thrombosis complicating pregnancy, childbirth and the puerperium (O88.-)
    Includes
    • embolic infarction
    • embolic occlusion
    • thrombotic infarction
    • thrombotic occlusion
    Type 2 Excludes

Diagnosis Index entries containing back-references to I63.5:

ICD-10-CM Codes Adjacent To I63.5
I63.431 Cerebral infarction due to embolism of right posterior cerebral artery
I63.432 Cerebral infarction due to embolism of left posterior cerebral artery
I63.433 Cerebral infarction due to embolism of bilateral posterior cerebral arteries
I63.439 Cerebral infarction due to embolism of unspecified posterior cerebral artery
I63.44 Cerebral infarction due to embolism of cerebellar artery
I63.441 Cerebral infarction due to embolism of right cerebellar artery
I63.442 Cerebral infarction due to embolism of left cerebellar artery
I63.443 Cerebral infarction due to embolism of bilateral cerebellar arteries
I63.449 Cerebral infarction due to embolism of unspecified cerebellar artery
I63.49 Cerebral infarction due to embolism of other cerebral artery
I63.5 Cerebral infarction due to unspecified occlusion or stenosis of cerebral arteries
I63.50 Cerebral infarction due to unspecified occlusion or stenosis of unspecified cerebral artery
I63.51 Cerebral infarction due to unspecified occlusion or stenosis of middle cerebral artery
I63.511 Cerebral infarction due to unspecified occlusion or stenosis of right middle cerebral artery
I63.512 Cerebral infarction due to unspecified occlusion or stenosis of left middle cerebral artery
I63.513 Cerebral infarction due to unspecified occlusion or stenosis of bilateral middle cerebral arteries
I63.519 Cerebral infarction due to unspecified occlusion or stenosis of unspecified middle cerebral artery
I63.52 Cerebral infarction due to unspecified occlusion or stenosis of anterior cerebral artery
I63.521 Cerebral infarction due to unspecified occlusion or stenosis of right anterior cerebral artery
I63.522 Cerebral infarction due to unspecified occlusion or stenosis of left anterior cerebral artery
I63.523 Cerebral infarction due to unspecified occlusion or stenosis of bilateral anterior cerebral arteries

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.