DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

H32 diagnosis code · Billable category · FY2027

H32 Chorioretinal disorders in diseases classified elsewhere

  • Billable
  • Not CC/MCC
  • POA reported

H32 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 7 Diseases of the eye and adnexa (H00-H59)
  2. H30-H36 Disorders of choroid and retina (H30-H36)
  3. H32 Chorioretinal disorders in diseases classified elsewhere
CC / MCC
Neither
MS-DRG
124-125
HCC V28
–
POA
Reported
Code Editor
Manifestation
Index entries
9

Instructions

At H32

Excludes1

  • chorioretinitis (in):
  • toxoplasmosis (acquired) (B58.01) B58.01
  • tuberculosis (A18.53) A18.53

Code first

  • underlying disease, such as:
  • congenital toxoplasmosis (P37.1) P37.1
  • histoplasmosis (B39.-) B39
  • leprosy (A30.-) A30

Notes that also apply

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

Index entries

  • Chorioretinitisleprous → A30.9 [H32]
  • Chorioretinitishistoplasmic → B39.9 [H32]
  • Retinitisalbuminurica → N18.9 [H32]
  • Retinitisrenal → N18.9 [H32]
  • Chorioretinitissyphilitic (secondary)congenital (early) → A50.01 [H32]
  • Retinitissyphilitic (early) (secondary)congenital (early) → A50.01 [H32]
  • Syphilis, syphilitic (acquired)congenitalchorioretinitis, choroiditis → A50.01 [H32]
  • Chorioretinitisin (due to)histoplasmosis → B39.9 [H32]
  • Chorioretinitisin (due to)toxoplasmosis (acquired)congenital (active) → P37.1 [H32]

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

Medicare grouping and edits

CMS files for H32
CC / MCCNeither
Appendix BMDC 02 Diseases and Disorders of the Eye, MS-DRG 124-125 (Other Disorders of the Eye with MCC or Thrombolytic Agent…)
Code EditorManifestation code: not allowed as principal diagnosis
POAReported
HCC V28–

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy