Is H21.0 a billable code?
No. H21.0 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
H21.0: Hyphema
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
H21.0 groups related diagnoses under hyphema. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under H21.0
- H21.00Hyphema, unspecified eye
- H21.01Hyphema, right eye
- H21.02Hyphema, left eye
- H21.03Hyphema, bilateral
Other codes in H21 Other disorders of iris and ciliary body
- H21.1Other vascular disorders of iris and ciliary bodyheader
- H21.2Degeneration of iris and ciliary bodyheader
- H21.3Cyst of iris, ciliary body and anterior chamberheader
- H21.4Pupillary membranesheader
- H21.5Other and unspecified adhesions and disruptions of iris and ciliary bodyheader
- H21.8Other specified disorders of iris and ciliary bodyheader
- H21.9Unspecified disorder of iris and ciliary body
H21.0 questions
What does H21.0 mean?
H21.0 is the ICD-10-CM code for Hyphema. 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.