2024 ICD-10-CM Diagnosis Code B26.85

Mumps arthritis

  • B26.85 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 B26.85 became effective on October 1, 2023.
  • This is the American ICD-10-CM version of B26.85 – other international versions of ICD-10 B26.85 may differ.

The following code(s) above B26.85 contain annotation back-references

 that may be applicable to B26.85:

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

ICD-10-CM B26.85 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):

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

Convert B26.85 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

Code annotations containing back-references to B26.85:

  • Type 1 Excludes: M01, M02

Diagnosis Index entries containing back-references to B26.85:

  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
    • in (due to)
      • mumps B26.85
  • MumpsB26.9
    • arthritis B26.85

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