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ICD-10-CM 2027 diagnosis code

B26.8Mumps with other complications

Not billable — use a more specific code

B26.8 is a header code, so it can't be reported by itself. Choose one of the 6 more specific codes beneath it.

Code unchanged since ICD-10-CM took effect on October 1, 2015. Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About B26.8

B26.8 is the ICD-10-CM diagnosis code for mumps with other complications. It belongs to category B26 (mumps), block B25-B34 (other viral diseases) and chapter 1 (certain infectious and parasitic diseases). It is a header code, so it can't be reported by itself; one of its 6 subcodes must be used instead.

Within B26, choose B26.8 (with other complications) only when documentation doesn't support a more specific option: orchitis (B26.0), meningitis (B26.1), encephalitis (B26.2), pancreatitis (B26.3) and without complication (B26.9).

To report this condition, pick the subcode that matches the documentation: B26.81 (hepatitis), B26.82 (myocarditis), B26.83 (nephritis), B26.84 (polyneuropathy), B26.85 (arthritis) and B26.89 (complications).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Specific codes under B26.8

Notes that apply from higher levels

Instructions written at a parent level also apply to B26.8.

› From B26 Mumps
Includes
  • epidemic parotitis
  • infectious parotitis

Broader instructions also apply from Chapter 1: Certain infectious and parasitic diseases.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about B26.8

Is B26.8 billable?

No. B26.8 is a header code. Report one of its more specific subcodes instead.