ICD-10-CM Alphabetic Index · FY 2026 12 Entries
Mumps in the ICD-10-CM Index ICD-10-CM
The main term Mumps carries 12 index entries pointing to 10 ICD-10-CM codes. The default entry is B26.9, the code the bare main term maps to; every indented line below refines the term by site, cause, or type. Verify any candidate code in the Tabular List before using it.
✓ Built from the official CMS FY 2026 index fileEffective Oct 1, 2025 – Sep 30, 2026
12
Index Entries
10
Codes Referenced
B26.9
Default Code
M
Letter
12 of 12 shown
ICD-10-CM
Index Entries Under Mumps 12 entries · 10 codes
Mumps B26.9
arthritis B26.85
complication NEC B26.89
encephalitis B26.2
hepatitis B26.81
meningitis (aseptic) B26.1
meningoencephalitis B26.2
myocarditis B26.82
oophoritis B26.89
orchitis B26.0
pancreatitis B26.3
polyneuropathy B26.84
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Related Index Terms
Source: Centers for Medicare & Medicaid Services, FY 2026 ICD-10-CM Index to Diseases and Injuries release files, effective October 1, 2025 through September 30, 2026.
