All ICD10 Codes

H21.563

Billable
ChapterH00–H59
Ranksubcategory
Official Description

Pupillary abnormality, bilateral

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •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 NotesView H21.56 Notes

Clinical Hierarchy

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
H21.56Pupillary abnormalities
H21.563Pupillary abnormality, bilateral

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H21.563:

subcategoryH21.56
Pupillary abnormalities
View context instructions
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 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 124
Other Disorders of the Eye with MCC or Thrombolytic Agent
DRG 125
Other Disorders of the Eye without MCC

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Pupillary abnormality, bilateral.

Search PCS Codes