H31.9 Unspecified disorder of choroid

Billable ICD-10-CM code, FY2026.

MS-DRG index

Defines the logic of DRG(s) 124-125 in MDC 02.

Approximate ICD-9-CM (GEMs)

• 363.9 Unspecified disorder of choroid

Code annotations containing back-references to H31.9

Back-references to H31

• Use Additional: H44.2A Degenerative myopia with choroidal neovascularization ("code for any associated choroid disorders (H31.-)")

Diagnosis Index entries for H31.9

• Disease, diseased › choroid
• Disease, diseased › uveal tract (anterior) › posterior
• Disorder (of) › choroid

Nearby codes

• H31.421 Serous choroidal detachment, right eye
• H31.422 Serous choroidal detachment, left eye
• H31.423 Serous choroidal detachment, bilateral
• H31.429 Serous choroidal detachment, unspecified eye
• H31.8 Other specified disorders of choroid
• H31.9 Unspecified disorder of choroid (this code)