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  5. Other viral encephalitis, not elsewhere classified (A85)

Other viral encephalitis, not elsewhere classified (A85)

Browse all the diagnosis codes used for other viral encephalitis, not elsewhere classified (a85). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Clinical Information

Phlebovirus - A genus of the family BUNYAVIRIDAE comprising many viruses, most of which are transmitted by Phlebotomus flies and cause PHLEBOTOMUS FEVER. The type species is RIFT VALLEY FEVER VIRUS.

Rift Valley Fever - An acute infection caused by the RIFT VALLEY FEVER VIRUS, an RNA arthropod-borne virus, affecting domestic animals and humans. In animals, symptoms include HEPATITIS; abortion (ABORTION, VETERINARY); and DEATH. In humans, symptoms range from those of a flu-like disease to hemorrhagic fever, ENCEPHALITIS, or BLINDNESS.

Rift Valley fever virus - A mosquito-borne species of the PHLEBOVIRUS genus found in eastern, central, and southern Africa, producing massive hepatitis, abortion, and death in sheep, goats, cattle, and other animals. It also has caused disease in humans.

Instructional Notations

Includes

This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

  • specified viral encephalomyelitis NEC
  • specified viral meningoencephalitis NEC

Type 1 Excludes

A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

  • encephalitis due to cytomegalovirus B25.8
  • encephalitis due to herpesvirus NEC B10.0
  • encephalitis due to herpesvirus [herpes simplex] B00.4
  • encephalitis due to measles virus B05.0
  • encephalitis due to mumps virus B26.2
  • encephalitis due to poliomyelitis virus A80
  • encephalitis due to zoster B02.0
  • lymphocytic choriomeningitis A87.2
  • myalgic encephalomyelitis G93.32