H33.10 – Unspecified retinoschisis
ICD-10-CM 2027 diagnosis code · Disorders of choroid and retina
- Code
H33.10(claims format:H3310)- Description
- Unspecified retinoschisis
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 7. Diseases of the eye and adnexa (H00-H59)
- Block
- H30-H36 Disorders of choroid and retina
- Parent codes
- H33 › H33.1
Billable codes under H33.10
H33.10 is a header code and cannot be used on claims. Choose the most specific code:
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
H33 – Retinal detachments and breaks
H33.1 – Retinoschisis and retinal cysts
Index terms for H33.10
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in H33.1
Frequently asked questions
What is ICD-10 code H33.10?
H33.10 is the ICD-10-CM code for unspecified retinoschisis, in the block H30-H36 (Disorders of choroid and retina).
Is H33.10 a billable code?
No. H33.10 is a header code with more specific child codes; report one of the billable codes listed above.
What category does H33.10 belong to?
It belongs to category H33 – Retinal detachments and breaks.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.