All ICD10 Codes

H21.55

Non-Billable
ChapterH00–H59
Ranksubcategory
Official Description

Recession of chamber angle

Use a more specific code (4 billable)
H21.551Recession of chamber angle, right eyeH21.552Recession of chamber angle, left eyeH21.553Recession of chamber angle, bilateralH21.559Recession of chamber angle, unspecified eye
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 7: Diseases of the Eye and Adnexa (H00-H59).
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
H21.55Recession of chamber angleNot billable
H21.551Recession of chamber angle, right eyeBillable
H21.552Recession of chamber angle, left eyeBillable
H21.553Recession of chamber angle, bilateralBillable
H21.559Recession of chamber angle, unspecified eyeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H21.55:

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

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Recession of chamber angle.

Search PCS Codes