H33.31 – Horseshoe tear of retina without detachment

ICD-10-CM 2027 diagnosis code · Disorders of choroid and retina

Non-billable header

ICD-10-CM code H33.31

Code: H33.31 (claims format: H3331)
Description: Horseshoe tear of retina without detachment
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 › H33.3

Billable codes under H33.31

H33.31 is a header code and cannot be used on claims. Choose the most specific code:

Notes for H33.31

Applicable to:

Operculum of retina without detachment

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

H33 – Retinal detachments and breaks

Excludes1 (not coded here):

detachment of retinal pigment epithelium (H35.72-, H35.73-)

H33.3 – Retinal breaks without detachment

Excludes1 (not coded here):

chorioretinal scars after surgery for detachment (H59.81-)

Excludes2 (not included here):

peripheral retinal degeneration without break (H35.4-)

Index terms for H33.31

Entries in the ICD-10-CM alphabetic index that lead to this code:

Break, retina, horseshoe tear

Related codes in H33.3

Frequently asked questions

What is ICD-10 code H33.31?

H33.31 is the ICD-10-CM code for horseshoe tear of retina without detachment, in the block H30-H36 (Disorders of choroid and retina).

Is H33.31 a billable code?

No. H33.31 is a header code with more specific child codes; report one of the billable codes listed above.

What category does H33.31 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.