Is H18.21 a billable code?
No. H18.21 is a header code that groups 4 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
H18.21: Corneal edema secondary to contact lens
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
H18.21 groups related diagnoses under corneal edema secondary to contact lens. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under H18.21
- H18.211Corneal edema secondary to contact lens, right eye
- H18.212Corneal edema secondary to contact lens, left eye
- H18.213Corneal edema secondary to contact lens, bilateral
- H18.219Corneal edema secondary to contact lens, unspecified eye
Other codes in H18.2 Other and unspecified corneal edema
H18.21 questions
What does H18.21 mean?
H18.21 is the ICD-10-CM code for Corneal edema secondary to contact lens. It is in chapter 7, Diseases of the eye and adnexa (H00-H59).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.