ICD-10-CM › A00-B99 › B00-B09 › B05 Measles › B05.0
Measles complicated by encephalitis
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Measles complicated by encephalitis
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from B05 Measles
Excludes1 - never coded here
- subacute sclerosing panencephalitis (A81.1)
Includes
- morbilli
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Rubeola
- Morbilli
- Myelitis
- Phrenitis
- Cephalitis
- Cerebritis
- Ependymitis
- Cerebellitis
- Fever > brain
- Ventriculitis
- Febris, febrile
- Meningomyelitis
- Mesencephalitis
- Myelomeningitis
- Parencephalitis
- Syringomyelitis
- Fever > cerebral
- Radiculomyelitis
- Encephalomyelitis
- Meningocerebritis
- Myeloencephalitis
- Encephalomeningitis
- Meningoencephalitis
- Meningomyeloneuritis
- Encephalomeningomyelitis
- Encephalomyelomeningitis
- Meningoencephalomyelitis
- Poliomeningoencephalitis
- Fever > viral hemorrhagic
- Myelopathy > in > infection
- Disease, diseased > cerebral
- Infection, infected, infective > brain
- Disease, diseased > brain > inflammatory
- Disease, diseased > cerebellar, cerebellum
- Inflammation, inflamed, inflammatory > brain
- Inflammation, inflamed, inflammatory > cerebral
- Infection, infected, infective > spinal cord NOS
- Inflammation, inflamed, inflammatory > spinal > cord
- Encephalitis > postmeasles
- Encephalitis > in > measles
Showing 40 of 42 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| B05.1 | Measles complicated by meningitis | Valid |
| B05.2 | Measles complicated by pneumonia | Valid |
| B05.3 | Measles complicated by otitis media | Valid |
| B05.4 | Measles with intestinal complications | Valid |
| B05.8 | Measles with other complications | Not billable |
| B05.9 | Measles without complication | Valid |