A89 diagnosis code · Billable category · FY2027
A89 Unspecified viral infection of central nervous system
- Billable
- CC
- POA reported
A89 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.
Where it sits
- Chapter 1 Certain infectious and parasitic diseases (A00-B99)
- A80-A89 Viral and prion infections of the central nervous system (A80-A89)
- A89 Unspecified viral infection of central nervous system
- CC / MCC
- CC
- MS-DRG
- 097-099, 974-976
- HCC V28
- –
- POA
- Reported
- Code Editor
- –
- Index entries
- 1
Instructions
Notes that also apply
Block A80-A89 instructions (Excludes1 3): printed on the block page.
Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.
Index entries
- Infection, infected, infective (opportunistic)›virus, viral NOS›central nervous system → A89
NCHS Alphabetic Index. Index first, then the Tabular List.
Medicare grouping and edits
| CC / MCC | CC |
|---|---|
| PDX exclusion list | 0148 (186 codes) |
| Appendix B | MDC 01 Diseases and Disorders of the Nervous System, MS-DRG 097-099 (Non-Bacterial Infection of Nervous System Except Viral Meningitis with MCC…); MDC 25 Human Immunodeficiency Virus Infections, MS-DRG 974-976 (HIV with Major Related Condition with MCC…) |
| Code Editor | – |
| POA | Reported |
| HCC V28 | – |
CC as a secondary diagnosis, not when the principal diagnosis is on its PDX exclusion list.
CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.