DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

H22 diagnosis code · Billable category · FY2027

H22 Disorders of iris and ciliary body in diseases classified elsewhere

  • Billable
  • Not CC/MCC
  • POA reported

H22 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. H15-H22 Disorders of sclera, cornea, iris and ciliary body (H15-H22)
  3. H22 Disorders of iris and ciliary body in diseases classified elsewhere
CC / MCC
Neither
MS-DRG
124-125
HCC V28
–
POA
Reported
Code Editor
Manifestation
Index entries
4

Instructions

At H22

Code first

  • underlying disease, such as:
  • gout (M1A.-, M10.-) M1A M10
  • leprosy (A30.-) A30
  • parasitic disease (B89) B89

Notes that also apply

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

Index entries

  • Iritisgouty → M10.9 [H22]
  • Iritisdue toleprosy → A30.9 [H22]
  • Iridocyclitisin (due to)parasitic disease NOS → B89 [H22]
  • Disorder (of)irisin diseases classified elsewhere → H22

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

Medicare grouping and edits

CMS files for H22
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