2021 ICD-10-CM Diagnosis Code I63.31

Cerebral infarction due to thrombosis of middle cerebral artery

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • I63.31 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 thrombosis of middle cerebral artery
  • The 2021 edition of ICD-10-CM I63.31 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of I63.31 - other international versions of ICD-10 I63.31 may differ.
The following code(s) above I63.31 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 I63.31:
  • I00-I99
    2021 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
    2021 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 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

Diagnosis Index entries containing back-references to I63.31:
  • Occlusion, occluded
    • artery I70.9
      - see also Atherosclerosis, artery
      ICD-10-CM Diagnosis Code I70.9

      Other and unspecified atherosclerosis

        2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
      • cerebral I66.9
        ICD-10-CM Diagnosis Code I66.9

        Occlusion and stenosis of unspecified cerebral artery

          2016 2017 2018 2019 2020 2021 Billable/Specific Code
        • middle I66.0-
          ICD-10-CM Diagnosis Code I66.0-

          Occlusion and stenosis of middle cerebral artery

            2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
          • with infarction I63.51-
            ICD-10-CM Diagnosis Code I63.51-

            Cerebral infarction due to unspecified occlusion or stenosis of middle cerebral artery

              2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code

ICD-10-CM Codes Adjacent To I63.31
I63.219 Cerebral infarction due to unspecified occlusion or stenosis of unspecified vertebral artery
I63.22 Cerebral infarction due to unspecified occlusion or stenosis of basilar artery
I63.23 Cerebral infarction due to unspecified occlusion or stenosis of carotid arteries
I63.231 Cerebral infarction due to unspecified occlusion or stenosis of right carotid arteries
I63.232 Cerebral infarction due to unspecified occlusion or stenosis of left carotid arteries
I63.233 Cerebral infarction due to unspecified occlusion or stenosis of bilateral carotid arteries
I63.239 Cerebral infarction due to unspecified occlusion or stenosis of unspecified carotid artery
I63.29 Cerebral infarction due to unspecified occlusion or stenosis of other precerebral arteries
I63.3 Cerebral infarction due to thrombosis of cerebral arteries
I63.30 Cerebral infarction due to thrombosis of unspecified cerebral artery
I63.31 Cerebral infarction due to thrombosis of middle cerebral artery
I63.311 Cerebral infarction due to thrombosis of right middle cerebral artery
I63.312 Cerebral infarction due to thrombosis of left middle cerebral artery
I63.313 Cerebral infarction due to thrombosis of bilateral middle cerebral arteries
I63.319 Cerebral infarction due to thrombosis of unspecified middle cerebral artery
I63.32 Cerebral infarction due to thrombosis of anterior cerebral artery
I63.321 Cerebral infarction due to thrombosis of right anterior cerebral artery
I63.322 Cerebral infarction due to thrombosis of left anterior cerebral artery
I63.323 Cerebral infarction due to thrombosis of bilateral anterior cerebral arteries
I63.329 Cerebral infarction due to thrombosis of unspecified anterior cerebral artery
I63.33 Cerebral infarction due to thrombosis of posterior cerebral artery

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