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A89 - Unspecified viral infection of central nervous system

ICD-10-CM Chapter 1: Certain infectious and parasitic diseases · A80-A89 Viral and prion infections of the central nervous system (A80-A89) · Top-level category · FY2027

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom A80-A89 Viral and prion infections of the central nervous system (A80-A89)

Mutually exclusive: these conditions are never reported together with this code.

  • postpolio syndrome (G14)
  • sequelae of poliomyelitis (B91)
  • sequelae of viral encephalitis (B94.1)
IncludesFrom Chapter A00-B99

Conditions this code covers.

  • diseases generally recognized as communicable or transmissible
Excludes 2 — Not Included HereFrom Chapter A00-B99

Not part of this code; report both codes when the patient has both conditions.

  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use Additional CodeFrom Chapter A00-B99

Add a secondary code to identify the associated condition or cause when it is documented.

  • code to identify resistance to antimicrobial drugs (Z16.-)

Inpatient DRG Payments

DRG 9742,609 discharges

Hiv With Major Related Condition With Mcc

Avg. Medicare Payment

$29,027

Total Payment$33,402
Patient Responsibility$4,375
Hospital Charge$149,750
DRG 975954 discharges

Hiv With Major Related Condition With Cc

Avg. Medicare Payment

$13,978

Total Payment$17,230
Patient Responsibility$3,252
Hospital Charge$68,377
DRG 0971,847 discharges

Non-bacterial Infection Of Nervous System Except Viral Meningitis With Mcc

Avg. Medicare Payment

$30,738

Total Payment$37,644
Patient Responsibility$6,906
Hospital Charge$182,041