B26Header code — not billable
Mumps
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- B26
- Effective date
- October 1, 2026
Related codes in category B26
B26.0Mumps orchitisYesB26.1Mumps meningitisYesB26.2Mumps encephalitisYesB26.3Mumps pancreatitisYesB26.8Mumps with other complicationsB26.81Mumps hepatitisYesB26.82Mumps myocarditisYesB26.83Mumps nephritisYesB26.84Mumps polyneuropathyYesB26.85Mumps arthritisYesB26.89Other mumps complicationsYesB26.9Mumps without complicationYes
Frequently asked questions
What is ICD-10 code B26?
B26 is an ICD-10-CM diagnosis code for Mumps.
Is B26 a billable code?
No. B26 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is B26 in?
B26 falls under Chapter 1: Certain infectious and parasitic diseases.
When did B26 become effective?
B26 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to B26?
B26 belongs to category B26, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.