A85.2

Arthropod-borne viral encephalitis, unspecified

Billable / specific

A85.2 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Not coded here — never report together with this code.

West nile virus with encephalitis (A92.31)
postpolio syndrome (G14) (from A85)
sequelae of poliomyelitis (B91) (from A85)
sequelae of viral encephalitis (B94.1) (from A85)
encephalitis due to cytomegalovirus (B25.8) (from A85)
encephalitis due to herpesvirus NEC (B10.0-) (from A85)
encephalitis due to herpesvirus [herpes simplex] (B00.4) (from A85)
encephalitis due to measles virus (B05.0) (from A85)
encephalitis due to mumps virus (B26.2) (from A85)
encephalitis due to poliomyelitis virus (A80.-) (from A85)
encephalitis due to zoster (B02.0) (from A85)
lymphocytic choriomeningitis (A87.2) (from A85)
myalgic encephalomyelitis (G93.32) (from A85)

Not included here — may be reported together when both conditions exist.

carrier or suspected carrier of infectious disease (Z22.-) (from A85)
certain localized infections - see body system-related chapters (from A85)
infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from A85)
infectious and parasitic diseases specific to the perinatal period (P35-P39) (from A85)
influenza and other acute respiratory infections (J00-J22) (from A85)

Add a code to identify the following, if applicable.