DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

I06 Rheumatic aortic valve diseases

  • Header · not billable

I06 is not billable. The category heads 5 billable codes in FY2027: the 5 codes directly below it.

Index → code

  • Failure, failedaortic (valve)rheumatic → I06.8
  • Disease, diseasedaortic (heart) (valve)rheumatic → I06.9
  • Insufficiency, insufficientaortic (valve)rheumatic → I06.1

Where it sits

  1. Chapter 9 Diseases of the circulatory system (I00-I99)
  2. I05-I09 Chronic rheumatic heart diseases (I05-I09)
  3. I06 Rheumatic aortic valve diseases
Billable codes
5
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
10

Codes in I06

  1. I06.0
    Rheumatic aortic stenosis
    Billable
    Inclusion terms 1

    Inclusion terms

    • Rheumatic aortic (valve) obstruction
  2. I06.1
    Rheumatic aortic insufficiency
    Billable
    Inclusion terms 2

    Inclusion terms

    • Rheumatic aortic incompetence
    • Rheumatic aortic regurgitation
  3. I06.2
    Rheumatic aortic stenosis with insufficiency
    Billable
    Inclusion terms 1

    Inclusion terms

    • Rheumatic aortic stenosis with incompetence or regurgitation
  4. I06.8
    Other rheumatic aortic valve diseases
    Billable
  5. I06.9
    Rheumatic aortic valve disease, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Rheumatic aortic (valve) disease NOS

Sources of each column.

Instructions

At I06

Excludes2

  • aortic valve disease not specified as rheumatic (I35.-) I35
  • aortic valve disease with mitral and/or tricuspid valve involvement (I08.-) I08

Notes that also apply

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

Index entries

  • Stenosis, stenotic (cicatricial)aortic (valve)rheumatic → I06.0
  • Insufficiency, insufficientaortic (valve)rheumatic → I06.1
  • Failure, failedaortic (valve)rheumatic → I06.8
  • Disease, diseasedaortic (heart) (valve)rheumatic → I06.9
  • Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular)aortic (heart) (nonrheumatic) (valve)rheumatic → I06.9
  • Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular)aortic (heart) (nonrheumatic) (valve)rheumaticspecified NEC → I06.8
  • Insufficiency, insufficientaortic (valve)rheumaticwithstenosis → I06.2
  • Stenosis, stenotic (cicatricial)aortic (valve)rheumaticwithincompetency, insufficiency or regurgitation → I06.2
  • Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular)aortic (heart) (nonrheumatic) (valve)withrheumatic fever (conditions in I00)inactive or quiescent (with chorea) → I06.9
  • Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor)rheumatic (active) (acute) (chronic) (subacute)inactive or quiescent withendocarditisaortic (valve) → I06.9

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy