2021

  1. ICD-10-CM Codes
    2. ›
  2. I00-I99 Diseases of the circulatory system
    3. ›
  3. I95-I99 Other and unspecified disorders of the circulatory system
    4. ›
  4. I97- Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code I97.821

2021 ICD-10-CM Diagnosis Code I97.821

Postprocedural cerebrovascular infarction following other surgery

    2016 2017 - Revised Code 2018 2019 2020 2021 Billable/Specific Code
  • I97.821 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Postprocedural cerebvasc infarction following other surgery
  • The 2021 edition of ICD-10-CM I97.821 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of I97.821 - other international versions of ICD-10 I97.821 may differ.
The following code(s) above I97.821 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 I97.821:
  • 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
  • I97
    ICD-10-CM Diagnosis Code I97

    Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified
  • I97.8
    ICD-10-CM Diagnosis Code I97.8

    Other intraoperative and postprocedural complications and disorders of the circulatory system, not elsewhere classified

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Use Additional
    • code, if applicable, to further specify disorder
    Other intraoperative and postprocedural complications and disorders of the circulatory system, not elsewhere classified
Approximate Synonyms
  • Postprocedural stroke, following noncardiac procedure
ICD-10-CM I97.821 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 091 Other disorders of nervous system with mcc
  • 092 Other disorders of nervous system with cc
  • 093 Other disorders of nervous system without cc/mcc

Convert I97.821 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): Revised code
    • New description: Postprocedural cerebrovascular infarction following other surgery
    • 2016 description: Postprocedural cerebrovascular infarction during other surgery
  • 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 I97.821:
  • Infarct, infarction
  • Stroke (apoplectic) (brain) (embolic) (ischemic) (paralytic) (thrombotic) I63.9
    ICD-10-CM Diagnosis Code I63.9

    Cerebral infarction, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Stroke NOS
    Type 2 Excludes
    • transient cerebral ischemic attacks and related syndromes (G45.-)

ICD-10-CM Codes Adjacent To I97.821
I97.711 …… during other surgery
I97.79 Other intraoperative cardiac functional disturbances
I97.790 …… during cardiac surgery
I97.791 …… during other surgery
I97.8 Other intraoperative and postprocedural complications and disorders of the circulatory system, not elsewhere classified
I97.81 Intraoperative cerebrovascular infarction
I97.810 …… during cardiac surgery
I97.811 …… during other surgery
I97.82 Postprocedural cerebrovascular infarction
I97.820 …… following cardiac surgery
I97.821 …… following other surgery
I97.88 Other intraoperative complications of the circulatory system, not elsewhere classified
I97.89 Other postprocedural complications and disorders of the circulatory system, not elsewhere classified
I99 Other and unspecified disorders of circulatory system
I99.8 Other disorder of circulatory system
I99.9 Unspecified disorder of circulatory system
J00 Acute nasopharyngitis [common cold]
J01 Acute sinusitis
J01.0 Acute maxillary sinusitis
J01.00 …… unspecified
J01.01 Acute recurrent maxillary sinusitis

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

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