I00 diagnosis code · Billable category · FY2027
I00 Rheumatic fever without heart involvement
- Billable
- Not CC/MCC
- POA reported
I00 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.
Where it sits
- Chapter 9 Diseases of the circulatory system (I00-I99)
- I00-I02 Acute rheumatic fever (I00-I02)
- I00 Rheumatic fever without heart involvement
- CC / MCC
- Neither
- MS-DRG
- 545-547
- HCC V28
- –
- POA
- Reported
- Code Editor
- –
- Index entries
- 5
Instructions
At I00
Includes
- arthritis, rheumatic, acute or subacute
Notes that also apply
Chapter 9 instructions (Excludes2 10): printed on the chapter 9 page.
Index entries
- Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)›rheumatic (active) (acute) (chronic) (subacute) → I00
- Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)›rheumatic → I00 [J17]
- Rheumatic (acute) (subacute)›pneumonia → I00 [J17]
- Erythema, erythematous (infectional) (inflammation)›marginatum›in (due to) acute rheumatic fever → I00
- Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved)›in (due to)›rheumatic fever → I00 [J17]
NCHS Alphabetic Index. Index first, then the Tabular List.
Medicare grouping and edits
| CC / MCC | Neither |
|---|---|
| Appendix B | MDC 08 Diseases and Disorders of the Musculoskeletal System and Connective Tissue, MS-DRG 545-547 (Connective Tissue Disorders with MCC…) |
| Code Editor | – |
| POA | Reported |
| HCC V28 | – |
CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.