All ICD10 Codes

H18.22

Non-Billable
ChapterH00–H59
Ranksubcategory
Official Description

Idiopathic corneal edema

Use a more specific code (4 billable)
H18.221Idiopathic corneal edema, right eyeH18.222Idiopathic corneal edema, left eyeH18.223Idiopathic corneal edema, bilateralH18.229Idiopathic corneal edema, 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 Notes

Clinical Hierarchy

BillableHas subcodes
CH7Diseases of the eye and adnexa (H00-H59)
H15-H22Disorders of sclera, cornea, iris and ciliary body (H15-H22)
H18Other disorders of cornea
H18.2Other and unspecified corneal edema
H18.22Idiopathic corneal edemaNot billable
H18.221Idiopathic corneal edema, right eyeBillable
H18.222Idiopathic corneal edema, left eyeBillable
H18.223Idiopathic corneal edema, bilateralBillable
H18.229Idiopathic corneal edema, unspecified eyeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H18.22:

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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