Is ICD-10-CM code H31 billable?

No, H31 (Other disorders of choroid) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code H31 belong to?

H31 belongs to Chapter 7 of the ICD-10-CM tabular list: H00–H59 (Diseases of the Eye and Adnexa).

H31Not billable, use a more specific code below

Other disorders of choroid

In Disorders of choroid and retina (H30-H36), chapter 7: Diseases of the Eye and Adnexa

59 billable codes under H31: 16 are a CC; none map to an HCC.A CC or MCC (major CC) is a secondary diagnosis that raises the MS-DRG payment.

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers coding glaucoma by type, eye, and stage, including bilateral cases and stage changes, and coding blindness or low vision when the impairment category is undocumented.

Glaucoma (page 48)
Blindness (page 49)

Read Section I.C.7 (page 48)

All codes under H31

H31 can't be used on a claim. Pick a billable code below; grey headings group them.

H31 MS-DRGs

As the principal diagnosis, all 59 billable codes under H31 group to MS-DRG 124 or 125 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.

Other codes that refer to H31

Notes on these codes point to H31.

H44.2A Use Additional Code: code for any associated choroid disorders (H31.-)

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

Retinal Disorders

Retinal disorders are conditions that affect the retina, the thin light-sensitive tissue at the back of your eye. The retina senses light and sends signals to your brain so you can see.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.