All ICD10 Codes

H21.50

Non-Billable
ChapterH00–H59
Ranksubcategory
Official Description

Unspecified adhesions of iris

Use a more specific code (4 billable)
H21.501Unspecified adhesions of iris, right eyeH21.502Unspecified adhesions of iris, left eyeH21.503Unspecified adhesions of iris, bilateralH21.509Unspecified adhesions of iris and ciliary body, unspecified eye
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 7: Diseases of the Eye and Adnexa (H00-H59).

Instructional Notes

Includes
  • Synechia (iris) NOS
General instructions are available for the parent sections:
View CH7 NotesView H21 NotesView H21.5 Notes

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 body
H21.5Other and unspecified adhesions and disruptions of iris and ciliary body
H21.50Unspecified adhesions of irisNot billable
H21.501Unspecified adhesions of iris, right eyeBillable
H21.502Unspecified adhesions of iris, left eyeBillable
H21.503Unspecified adhesions of iris, bilateralBillable
H21.509Unspecified adhesions of iris and ciliary body, unspecified eyeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H21.50:

subcategoryH21.5
Other and unspecified adhesions and disruptions of iris and ciliary body
View context instructions
categoryH21
Other disorders of iris and ciliary body
View context instructions
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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