2024 ICD-10-CM Diagnosis Code B26.9

Mumps without complication

  • B26.9 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 B26.9 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B26.9 – other international versions of ICD-10 B26.9 may differ.

Applicable To

  • Mumps NOS
  • Mumps parotitis NOS

The following code(s) above B26.9 contain annotation back-references

 that may be applicable to B26.9:

  • A00-B99  Certain infectious and parasitic diseases
  • B26  Mumps

Approximate Synonyms

  • Mumps

Clinical Information

  • A contagious viral infection caused by the mumps virus. Symptoms include swollen and tender parotid glands, fever, muscle aches and fatigue. Due to vaccination programs, mumps has become a rare disease.
  • Acute, inflammatory, contagious disease caused by rubulavirus and characterized by swelling of the salivary glands, especially the parotids, and sometimes of the pancreas, ovaries, or testes; spread by direct contact, airborne droplet nuclei, fomites contaminated by infectious saliva, and perhaps urine.
  • An acute infectious disease caused by rubulavirus, spread by direct contact, airborne droplet nuclei, fomites contaminated by infectious saliva, and perhaps urine, and usually seen in children under the age of 15, although adults may also be affected. (from Dorland, 28th ed)
  • Mumps is an illness caused by the mumps virus. It starts with
    • fever
    • headache
    • muscle aches
    • tiredness
    • loss of appetite
    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 United States Centers for Disease Control and Prevention.

ICD-10-CM B26.9 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

  • 865 Viral illness with mcc
  • 866 Viral illness without mcc

Convert B26.9 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

Diagnosis Index entries containing back-references to B26.9:

  • Mumps B26.9

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