All ICD10 Codes

H18.21

Non-Billable
ChapterH00–H59
Ranksubcategory
Official Description

Corneal edema secondary to contact lens

Use a more specific code (4 billable)
H18.211Corneal edema secondary to contact lens, right eyeH18.212Corneal edema secondary to contact lens, left eyeH18.213Corneal edema secondary to contact lens, bilateralH18.219Corneal edema secondary to contact lens, unspecified eye
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 7: Diseases of the Eye and Adnexa (H00-H59).

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • other corneal disorders due to contact lens (H18.82-)
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
H18.21Corneal edema secondary to contact lensNot billable
H18.211Corneal edema secondary to contact lens, right eyeBillable
H18.212Corneal edema secondary to contact lens, left eyeBillable
H18.213Corneal edema secondary to contact lens, bilateralBillable
H18.219Corneal edema secondary to contact lens, unspecified eyeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to H18.21:

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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