B05 — Measles
Is B05 billable?
No — B05 is a non-billable header code. B05 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 8 billable codes beneath B05.
Billable codes under this header
- B05.0Measles complicated by encephalitis
- B05.1Measles complicated by meningitis
- B05.2Measles complicated by pneumonia
- B05.3Measles complicated by otitis media
- B05.4Measles with intestinal complications
- B05.9Measles without complication
- B05.81Measles keratitis and keratoconjunctivitis
- B05.89Other measles complications
B05 at a glance
| Code | B05 |
|---|---|
| Description | Measles |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with B05 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- subacute sclerosing panencephalitis (A81.1)
Includes
Conditions classified to B05.
- morbilli
Use additional code — inherited from Chapter 1
Report an additional code alongside B05 to fully describe the condition. B05 is sequenced first.
- code to identify resistance to antimicrobial drugs (Z16.-)
Excludes2 — not included here — inherited from Chapter 1
The conditions below are not part of B05, but a patient may have both at the same time. When documentation supports it, B05 and the excluded code may both be reported.
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
What codes fall under B05? (7)
How long has B05 existed?
B05 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.
Which codes are confused with B05?
ICD-10-CM declares these codes mutually exclusive with B05 — exactly one of each pair can be correct for a given encounter.