ICD-10-CM 2027
ICD-10 code for Arbovirus meningitis
From the official ICD-10-CM alphabetic index entry “Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) › arbovirus”. Page updated September 29, 2026.
About coding Arbovirus meningitis
The ICD-10-CM code for Arbovirus meningitis is A87.8 (Other viral meningitis).
Within A87, choose A87.8 (Other viral meningitis) only when documentation doesn't support a more specific option: enteroviral meningitis (A87.0), adenoviral meningitis (A87.1), lymphocytic choriomeningitis (A87.2) and unspecified (A87.9).
As a secondary diagnosis it is a CC (complication or comorbidity), which can move an inpatient stay into the "with CC" MS-DRG of its family, unless the principal diagnosis excludes it.
In MS-DRG v44.0, it is part of the grouping logic for DRG 075 (Viral Meningitis with CC/MCC, relative weight 1.7707) and DRG 076 (Viral Meningitis without CC/MCC, relative weight 0.8675), in MDC 01 (Diseases and Disorders of the Nervous System), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about Arbovirus meningitis ICD-10 codes
What is the ICD-10 code for Arbovirus meningitis?
- A87.8 — Other viral meningitis.
Is A87.8 billable?
- Yes. A87.8 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can A87.8 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict A87.8 as a principal diagnosis.
Is A87.8 a CC or MCC?
- A87.8 is a CC (complication or comorbidity) under MS-DRG v44.0, unless excluded by the principal diagnosis.