DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

I36 Nonrheumatic tricuspid valve disorders

  • Header · not billable

I36 is not billable. The category heads 5 billable codes in FY2027: the 5 codes directly below it.

Index → code

  • Atheroma, atheromatoustricuspid (heart) (valve) → I36.8
  • Disease, diseasedtricuspidnonrheumatic → I36.9
  • Lesion(s) (nontraumatic)tricuspid (valve)nonrheumatic → I36.9

Where it sits

  1. Chapter 9 Diseases of the circulatory system (I00-I99)
  2. I30-I5A Other forms of heart disease (I30-I5A)
  3. I36 Nonrheumatic tricuspid valve disorders
Billable codes
5
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
10

Codes in I36

  1. I36.0
    Nonrheumatic tricuspid (valve) stenosis
    Billable
  2. I36.1
    Nonrheumatic tricuspid (valve) insufficiency
    Billable
    Inclusion terms 2

    Inclusion terms

    • Nonrheumatic tricuspid (valve) incompetence
    • Nonrheumatic tricuspid (valve) regurgitation
  3. I36.2
    Nonrheumatic tricuspid (valve) stenosis with insufficiency
    Billable
  4. I36.8
    Other nonrheumatic tricuspid valve disorders
    Billable
  5. I36.9
    Nonrheumatic tricuspid valve disorder, unspecified
    Billable

Sources of each column.

Instructions

At I36

Excludes1

  • tricuspid valve disorders of unspecified cause (I07.-) I07
  • tricuspid valve disorders specified as congenital (Q22.4, Q22.8, Q22.9) Q22.4 Q22.8 Q22.9
  • tricuspid valve disorders specified as rheumatic (I07.-) I07
  • tricuspid valve disorders with aortic and/or mitral valve involvement (I08.-) I08

Notes that also apply

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

Index entries

  • Atheroma, atheromatoustricuspid (heart) (valve) → I36.8
  • Stenosis, stenotic (cicatricial)tricuspid (valve)nonrheumatic → I36.0
  • Insufficiency, insufficienttricuspid (valve) (rheumatic)nonrheumatic → I36.1
  • Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular)tricuspid (chronic) (heart) (inactive) (rheumatic) (valve) (with chorea)arteriosclerotic → I36.8
  • Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular)tricuspid (chronic) (heart) (inactive) (rheumatic) (valve) (with chorea)nonrheumatic → I36.8
  • Endocarditis (chronic) (marantic) (nonbacterial) (thrombotic) (valvular)tricuspid (chronic) (heart) (inactive) (rheumatic) (valve) (with chorea)specified cause, except rheumatic → I36.8
  • Disease, diseasedtricuspidnonrheumatic → I36.9
  • Lesion(s) (nontraumatic)tricuspid (valve)nonrheumatic → I36.9
  • Insufficiency, insufficienttricuspid (valve) (rheumatic)nonrheumaticwith stenosis → I36.2
  • Stenosis, stenotic (cicatricial)tricuspid (valve)nonrheumaticwith insufficiency → I36.2

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

Hierarchy