1. ICD-10-CM Codes
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2. A00-B99
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3. B25-B34
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4. B26-
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5. 2023 ICD-10-CM Diagnosis Code B26.82

2023 ICD-10-CM Diagnosis Code B26.82

Mumps myocarditis

2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

• B26.82 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2023 edition of ICD-10-CM B26.82 became effective on October 1, 2022.
• This is the American ICD-10-CM version of B26.82 - other international versions of ICD-10 B26.82 may differ.

• 791 Prematurity with major problems
• 793 Full term neonate with major problems
• 865 Viral illness with mcc
• 866 Viral illness without mcc

Convert B26.82 to ICD-9-CM

• 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

• Type 1 Excludes: I41
  ICD-10-CM Diagnosis Code I41

  Myocarditis in diseases classified elsewhere

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Manifestation Code

  Code First

  • underlying disease, such as:
  • typhus (A75.0-A75.9)

  Type 1 Excludes

  • myocarditis (in):
  • Chagas' disease (chronic) (B57.2)
  • acute (B57.0)
  • coxsackie (virus) infection (B33.22)
  • diphtheritic (A36.81)
  • gonococcal (A54.83)
  • influenzal (J09.X9, J10.82, J11.82)
  • meningococcal (A39.52)
  • mumps (B26.82)
  • rheumatoid arthritis (M05.31)
  • sarcoid (D86.85)
  • syphilis (A52.06)
  • toxoplasmosis (B58.81)
  • tuberculous (A18.84)

• Mumps B26.9
  ICD-10-CM Diagnosis Code B26.9

  Mumps without complication

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Mumps NOS
  • Mumps parotitis NOS
  • myocarditis B26.82
• Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile) I51.4
  ICD-10-CM Diagnosis Code I51.4

  Myocarditis, unspecified

  2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code

  Applicable To

  • Chronic (interstitial) myocarditis
  • Myocardial fibrosis
  • Myocarditis NOS

  Type 1 Excludes

  • acute or subacute myocarditis (I40.-)
  • mumps B26.82

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