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A86 - Unspecified viral encephalitis


The ICD 10 Code for Unspecified viral encephalitis is listed as A86.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: A86
Description: Unspecified viral encephalitis
  • Viral encephalomyelitis NOS
  • Viral meningoencephalitis NOS
Diagnostic Related Groups
(MS-DRG v30.0)
097 - Non-bacterial Infect Of Nervous Sys Exc Viral Meningitis W Mcc
098 - Non-bacterial Infect Of Nervous Sys Exc Viral Meningitis W Cc
099 - Non-bacterial Infect Of Nervous Sys Exc Viral Meningitis W/o Cc/mcc
974 - Hiv W Major Related Condition W Mcc
975 - Hiv W Major Related Condition W Cc
976 - Hiv W Major Related Condition W/o Cc/mcc
Chapter Certain infectious and parasitic diseases (A00-B99)
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 049.9 - Unspecified non-arthropod-borne viral diseases of central nervous system (approximate)