DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 7

H30-H36 Disorders of choroid and retina (H30-H36)

Block H30-H36 groups 7 categories with 410 billable codes in FY2027.

Where it sits

  1. Chapter 7 Diseases of the eye and adnexa (H00-H59)
  2. H30-H36 Disorders of choroid and retina (H30-H36)

Neighbouring blocks

Categories
7
Billable codes
410
CC codes
96
MCC codes
0
HCC V28 codes
48
New FY2027
0

Categories in H30-H36

  • H30

    Chorioretinal inflammation

    Harada's disease or syndrome → H30.81-

    • 56 billable codes
    • 28 CC
  • H31

    Other disorders of choroid

    Choroideremia → H31.21

    • 59 billable codes
    • 16 CC
  • H32

    Chorioretinal disorders in diseases classified elsewhere

    –

    • Billable, no subdivisions
  • H33

    Retinal detachments and breaks

    Retinoschisis → H33.10-

    • 65 billable codes
    • 13 CC
  • H34

    Retinal vascular occlusions

    Embolism (multiple) (paradoxical)eye → H34.9

    • 45 billable codes
    • 29 CC
    • 24 with HCC
  • H35

    Other retinal disorders

    Phakoma → H35.89

    • 175 billable codes
    • 10 CC
    • 16 with HCC
  • H36

    Retinal disorders in diseases classified elsewhere

    –

    • 9 billable codes
    • 8 with HCC

Index main terms

  • Degeneration, degenerative → H31, H35 (24 entries)
  • Disorder (of) → H31, H35 (14 entries)
  • Retinopathy (background) → H31, H35 (14 entries)
  • Detachment → H31, H33 (12 entries)
  • Dystrophy, dystrophia → H31, H35 (12 entries)
  • Inflammation, inflamed, inflammatory (with exudation) → H30 (11 entries)
  • Occlusion, occluded → H34 (8 entries)
  • Disease, diseased → H30, H31, H35 (6 entries)
  • Atrophy, atrophic (of) → H31, H35 (5 entries)
  • Break, retina (without detachment) → H33 (4 entries)
  • Scar, scarring → H31 (4 entries)
  • Telangiectasia, telangiectasis (verrucous) → H35 (4 entries)
  • Cyst (colloid) (mucous) (simple) (retention) → H33 (3 entries)
  • Hemorrhage, hemorrhagic (concealed) → H31, H35 (3 entries)
  • Edema, edematous (infectious) (pitting) (toxic) → H35 (2 entries)

+41 more main terms; the search box finds them by word.

Block instructions

Notes that also apply

Chapter 7 instructions (Notes 1, Excludes2 11): printed on the chapter 7 page.