B26: Mumps
Codes under B26 (Mumps). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| B26.0 | Mumps orchitis | ✓ |
| B26.0 | Mumps orchitis | ✓ |
| B26.1 | Mumps meningitis | ✓ |
| B26.1 | Mumps meningitis | ✓ |
| B26.2 | Mumps encephalitis | ✓ |
| B26.2 | Mumps encephalitis | ✓ |
| B26.3 | Mumps pancreatitis | ✓ |
| B26.3 | Mumps pancreatitis | ✓ |
| B26.8 | Mumps with other complications | — |
| B26.8 | Mumps with other complications | — |
| B26.9 | Mumps without complication | ✓ |
| B26.9 | Mumps without complication | ✓ |
| B26.81 | Mumps hepatitis | ✓ |
| B26.81 | Mumps hepatitis | ✓ |
| B26.82 | Mumps myocarditis | ✓ |
| B26.82 | Mumps myocarditis | ✓ |
| B26.83 | Mumps nephritis | ✓ |
| B26.83 | Mumps nephritis | ✓ |
| B26.84 | Mumps polyneuropathy | ✓ |
| B26.84 | Mumps polyneuropathy | ✓ |
| B26.85 | Mumps arthritis | ✓ |
| B26.85 | Mumps arthritis | ✓ |
| B26.89 | Other mumps complications | ✓ |
| B26.89 | Other mumps complications | ✓ |
Frequently asked questions
What is ICD-10-CM code B26?
B26 is an ICD-10-CM category covering Mumps. It contains 24 more specific diagnosis codes, 22 of which are billable.
Is B26 a billable code?
No — B26 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example B26.0 — Mumps orchitis). 22 of the 24 codes under B26 are billable.
What codes fall under B26?
B26 includes B26.0, B26.0, B26.1, B26.1, B26.2, plus 19 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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