1. ICD-10-CM Codes
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2. A00-B99 Certain infectious and parasitic diseases
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3. B25-B34 Other viral diseases
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4. B26- Mumps
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5. 2021 ICD-10-CM Diagnosis Code B26.81

2021 ICD-10-CM Diagnosis Code B26.81

Mumps hepatitis

2016 2017 2018 2019 2020 2021 Billable/Specific Code

• B26.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2021 edition of ICD-10-CM B26.81 became effective on October 1, 2020.
• This is the American ICD-10-CM version of B26.81 - other international versions of ICD-10 B26.81 may differ.

• 441 Disorders of liver except malignancy, cirrhosis or alcoholic hepatitis with mcc
• 442 Disorders of liver except malignancy, cirrhosis or alcoholic hepatitis with cc
• 443 Disorders of liver except malignancy, cirrhosis or alcoholic hepatitis without cc/mcc
• 791 Prematurity with major problems
• 793 Full term neonate with major problems

Convert B26.81 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

• Type 1 Excludes: K77
  ICD-10-CM Diagnosis Code K77

  Liver disorders in diseases classified elsewhere

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

  Code First

  • underlying disease, such as:
  • amyloidosis (E85.-)
  • congenital syphilis (A50.0, A50.5)
  • congenital toxoplasmosis (P37.1)
  • schistosomiasis (B65.0-B65.9)

  Type 1 Excludes

  • alcoholic hepatitis (K70.1-)
  • alcoholic liver disease (K70.-)
  • cytomegaloviral hepatitis (B25.1)
  • herpesviral [herpes simplex] hepatitis (B00.81)
  • infectious mononucleosis with liver disease (B27.0-B27.9 with .9)
  • mumps hepatitis (B26.81)
  • sarcoidosis with liver disease (D86.89)
  • secondary syphilis with liver disease (A51.45)
  • syphilis (late) with liver disease (A52.74)
  • toxoplasmosis (acquired) hepatitis (B58.1)
  • tuberculosis with liver disease (A18.83)

• Hepatitis K75.9
  ICD-10-CM Diagnosis Code K75.9

  Inflammatory liver disease, unspecified

  2016 2017 2018 2019 2020 2021 Billable/Specific Code

  Applicable To

  • Hepatitis NOS

  Type 1 Excludes

  • acute or subacute hepatitis (K72.0-)
  • chronic hepatitis NEC (K73.-)
  • viral hepatitis (B15-B19)
  • in (due to)
    • mumps B26.81
• Mumps B26.9
  ICD-10-CM Diagnosis Code B26.9

  Mumps without complication

  2016 2017 2018 2019 2020 2021 Billable/Specific Code

  Applicable To

  • Mumps NOS
  • Mumps parotitis NOS
  • hepatitis B26.81

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