Is H33.1 a billable code?
No. H33.1 is a header code that groups 16 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
H33.1: Retinoschisis and retinal cysts
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
H33.1 groups related diagnoses under retinoschisis and retinal cysts. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under H33.1
- H33.101Unspecified retinoschisis, right eye
- H33.102Unspecified retinoschisis, left eye
- H33.103Unspecified retinoschisis, bilateral
- H33.109Unspecified retinoschisis, unspecified eye
- H33.111Cyst of ora serrata, right eye
- H33.112Cyst of ora serrata, left eye
- H33.113Cyst of ora serrata, bilateral
- H33.119Cyst of ora serrata, unspecified eye
- H33.121Parasitic cyst of retina, right eye
- H33.122Parasitic cyst of retina, left eye
- H33.123Parasitic cyst of retina, bilateral
- H33.129Parasitic cyst of retina, unspecified eye
- H33.191Other retinoschisis and retinal cysts, right eye
- H33.192Other retinoschisis and retinal cysts, left eye
- H33.193Other retinoschisis and retinal cysts, bilateral
- H33.199Other retinoschisis and retinal cysts, unspecified eye
H33.1 questions
What does H33.1 mean?
H33.1 is the ICD-10-CM code for Retinoschisis and retinal cysts. 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.