DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 9

I00-I02 Acute rheumatic fever (I00-I02)

Block I00-I02 groups 3 categories with 8 billable codes in FY2027.

Where it sits

  1. Chapter 9 Diseases of the circulatory system (I00-I99)
  2. I00-I02 Acute rheumatic fever (I00-I02)

Neighbouring blocks

Categories
3
Billable codes
8
CC codes
7
MCC codes
0
HCC V28 codes
0
New FY2027
0

Categories in I00-I02

  • I00

    Rheumatic fever without heart involvement

    Rheumatic (acute) (subacute)pneumonia → I00

    • Billable, no subdivisions
  • I01

    Rheumatic fever with heart involvement

    Bouillaud's disease or syndrome (rheumatic heart disease) → I01.9

    • 5 billable codes
    • 5 CC
  • I02

    Rheumatic chorea

    Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic)minor → I02.9

    • 2 billable codes
    • 2 CC

Index main terms

  • Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular) → I01, I02 (20 entries)
  • Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic) → I02 (9 entries)
  • Rheumatic (acute) (subacute) → I00, I01, I02 (8 entries)
  • Failure, failed → I01, I02 (7 entries)
  • Myocarditis (with arteriosclerosis)(chronic)(fibroid) (interstitial) (old) (progressive) (senile) → I01, I02 (7 entries)
  • Disease, diseased → I01, I02 (6 entries)
  • Insufficiency, insufficient → I01, I02 (5 entries)
  • Pericarditis (with decompensation) (with effusion) → I01, I02 (5 entries)
  • Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) → I00, I01, I02 (3 entries)
  • Hypertrophy, hypertrophic → I01, I02 (3 entries)
  • Degeneration, degenerative → I01, I02 (2 entries)
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved) → I00 (2 entries)
  • Stenosis, stenotic (cicatricial) → I01, I02 (2 entries)
  • Arteritis → I01 (1 entry)
  • Bouillaud's disease or syndrome (rheumatic heart disease) → I01 (1 entry)

+3 more main terms; the search box finds them by word.

Block instructions

Notes that also apply

Chapter 9 instructions (Excludes2 10): printed on the chapter 9 page.