2022 ICD-10-CM Code B26


Version 2021

Not Valid for Submission

Short Description:Mumps
Long Description:Mumps

Code Classification

  • Certain infectious and parasitic diseases (A00–B99)

B26 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of mumps. The code is not specific and is NOT valid for the year 2022 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding for Mumps

Non-specific codes like B26 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for mumps:

  • BILLABLE CODE - Use B26.0 for Mumps orchitis
  • BILLABLE CODE - Use B26.1 for Mumps meningitis
  • BILLABLE CODE - Use B26.2 for Mumps encephalitis
  • BILLABLE CODE - Use B26.3 for Mumps pancreatitis
  • NON-BILLABLE CODE - B26.8 for Mumps with other complications
  • BILLABLE CODE - Use B26.81 for Mumps hepatitis
  • BILLABLE CODE - Use B26.82 for Mumps myocarditis
  • BILLABLE CODE - Use B26.83 for Mumps nephritis
  • BILLABLE CODE - Use B26.84 for Mumps polyneuropathy
  • BILLABLE CODE - Use B26.85 for Mumps arthritis
  • BILLABLE CODE - Use B26.89 for Other mumps complications
  • BILLABLE CODE - Use B26.9 for Mumps without complication

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code B26:


This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

Clinical Information

Information for Patients


Mumps is an illness caused by the mumps virus. It starts with

After that, the salivary glands under the ears or jaw become swollen and tender. The swelling can be on one or both sides of the face. Symptoms last 7 to 10 days. Serious complications are rare.

You can catch mumps by being with another person who has it. There is no treatment for mumps, but the measles-mumps-rubella (MMR) vaccine can prevent it.

Before the routine vaccination program in the United States, mumps was a common illness in infants, children and young adults. Now it is a rare disease in the U.S.

Centers for Disease Control and Prevention

[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)