All ICD10 Codes

H21

Non-Billable
ChapterH00–H59
Rankcategory
Official Description

Other disorders of iris and ciliary body

Use a more specific code (1 billable, 7 non-billable)
H21.0Hyphemahas subcodesH21.1Other vascular disorders of iris and ciliary bodyhas subcodesH21.2Degeneration of iris and ciliary bodyhas subcodesH21.3Cyst of iris, ciliary body and anterior chamberhas subcodesH21.4Pupillary membraneshas subcodesH21.5Other and unspecified adhesions and disruptions of iris and ciliary bodyhas subcodesH21.8Other specified disorders of iris and ciliary bodyhas subcodesH21.9Unspecified disorder of iris and ciliary body
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 7: Diseases of the Eye and Adnexa (H00-H59).

CH7 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • diabetes mellitus related eye conditions (E09.3-, E10.3-, E11.3-, E13.3-)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury (trauma) of eye and orbit (S05.-)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • syphilis related eye disorders (A50.01, A50.3-, A51.43, A52.71)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • sympathetic uveitis (H44.1-)

Clinical Hierarchy

BillableHas subcodes
CH7Diseases of the eye and adnexa (H00-H59)
H15-H22Disorders of sclera, cornea, iris and ciliary body (H15-H22)
H21Other disorders of iris and ciliary bodyNot billable
H21.0HyphemaSubcodes
H21.1Other vascular disorders of iris and ciliary bodySubcodes
H21.2Degeneration of iris and ciliary bodySubcodes
H21.3Cyst of iris, ciliary body and anterior chamberSubcodes
H21.4Pupillary membranesSubcodes
H21.5Other and unspecified adhesions and disruptions of iris and ciliary bodySubcodes
H21.8Other specified disorders of iris and ciliary bodySubcodes
H21.9Unspecified disorder of iris and ciliary bodyBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H21:

chapterCH7
Diseases of the eye and adnexa (H00-H59)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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