ICD-10-CM › A00-B99 › A75-A79 › A77 Spotted fever [tick-borne rickettsioses] › A77.9
A77.9
Spotted fever, unspecified
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 Spotted fever, unspecified
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
- Cerebellitis
- Fever > brain
- Spotted fever
- Ventriculitis
- Fever > typhus
- Febris, febrile
- Mesencephalitis
- Parencephalitis
- Syringomyelitis
- Fever > cerebral
- Radiculomyelitis
- Encephalomyelitis
- Myeloencephalitis
- Meningoencephalitis
- Fever > viral hemorrhagic
- Myelopathy > in > infection
- Encephalitis > due to > typhus
- Disease, diseased > Hildenbrand's
- Encephalitis > due to > rickettsiosis
- Infection, infected, infective > brain
- Disease, diseased > brain > inflammatory
- Inflammation, inflamed, inflammatory > brain
- Inflammation, inflamed, inflammatory > cerebral
- Inflammation, inflamed, inflammatory > spinal > cord
- Spotted fever
- Fever > spotted
- Typhus > tick-borne
- Rickettsiosis > tick-borne
- Infection, infected, infective > typhus > tick-borne
Codes in the same group
| Code | Description | Status |
|---|---|---|
| A77.0 | Spotted fever due to Rickettsia rickettsii | Valid |
| A77.1 | Spotted fever due to Rickettsia conorii | Valid |
| A77.2 | Spotted fever due to Rickettsia siberica | Valid |
| A77.3 | Spotted fever due to Rickettsia australis | Valid |
| A77.4 | Ehrlichiosis | Not billable |
| A77.8 | Other spotted fevers | Valid |