2024 ICD-10-CM Diagnosis Code B33.22

Viral myocarditis

  • B33.22 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM B33.22 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B33.22 – other international versions of ICD-10 B33.22 may differ.

The following code(s) above B33.22 contain annotation back-references

 that may be applicable to B33.22:

  • A00-B99  Certain infectious and parasitic diseases
  • B33.2  Viral carditis

ICD-10-CM B33.22 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 314 Other circulatory system diagnoses with mcc
  • 315 Other circulatory system diagnoses with cc
  • 316 Other circulatory system diagnoses without cc/mcc

Convert B33.22 to ICD-9-CMCode 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
  • 2024 (effective 10/1/2023): No change

Code annotations containing back-references to B33.22:

  • Type 1 Excludes: I41

Diagnosis Index entries containing back-references to B33.22:

  • Coxsackie (virus) (infection) B34.1
    • myocarditis B33.22
  • Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile) I51.4
    • virus, viralI40.0
      • of newborn B33.22 (Coxsackie)
    • aseptic of newborn B33.22
    • Coxsackie B33.22 (virus)
    • epidemic of newborn B33.22 (Coxsackie)