All ICD10 Codes

H33.123

Billable
ChapterH00–H59
Ranksubcategory
Official Description

Parasitic cyst of retina, 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 H33 NotesView H33.1 Notes

Clinical Hierarchy

CH7Diseases of the eye and adnexa (H00-H59)
H30-H36Disorders of choroid and retina (H30-H36)
H33Retinal detachments and breaks
H33.1Retinoschisis and retinal cysts
H33.12Parasitic cyst of retina
H33.123Parasitic cyst of retina, bilateral

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H33.123:

subcategoryH33.1
Retinoschisis and retinal cysts
View context instructions
categoryH33
Retinal detachments and breaks
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 121
Acute Major Eye Infections with CC/MCC
DRG 122
Acute Major Eye Infections without CC/MCC

Cross Reference

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