ICD-10-CM › A00-B99 › A80-A89 › A81 Atypical virus infections of... › A81.1
Subacute sclerosing panencephalitis
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 Subacute sclerosing panencephalitis
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 A81 Atypical virus infections of central nervous system
Use additional code
- code, if applicable, to identify:
- dementia with anxiety (F02.84, F02.A4, F02.B4, F02.C4)
- dementia with behavioral disturbance (F02.81-, F02.A1-, F02.B1-, F02.C1-)
- dementia with mood disturbance (F02.83, F02.A3, F02.B3, F02.C3)
- dementia with psychotic disturbance (F02.82, F02.A2, F02.B2, F02.C2)
- dementia without behavioral disturbance (F02.80, F02.A0, F02.B0, F02.C0)
- mild neurocognitive disorder due to known physiological condition (F06.7-)
Includes
- diseases of the central nervous system caused by prions
Inherited from the A80-A89 section Viral and prion infections of the central nervous system (A80-A89)
Excludes1 - never coded here
- postpolio syndrome (G14)
- sequelae of poliomyelitis (B91)
- sequelae of viral encephalitis (B94.1)
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.
- 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
- Dawson's encephalitis
- Encephalitis > Dawson's
- Bodechtel-Guttman disease
- Encephalitis > van Bogaert's
Showing 40 of 49 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| A81.0 | Creutzfeldt-Jakob disease | Not billable |
| A81.2 | Progressive multifocal leukoencephalopathy | Valid |
| A81.8 | Other atypical virus infections of central nervous system | Not billable |
| A81.9 | Atypical virus infection of central nervous system, unspecified | Valid |