MCMCB Pro
H31

H31Other disorders of choroid

Non-billable headerICD-10-CM

H31 is a non-billable header ICD-10-CM code for other disorders of choroid. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with H31

These codes carry an Excludes1 note pointing at H31. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading H31 alone.

  • E72.4Disorders of ornithine metabolism
  • H35.5Hereditary retinal dystrophy

Risk adjustment

H31 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead H31

7 child codes. Green means billable.

Questions about H31

Is H31 a billable ICD-10-CM code?
No. H31 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does H31 sit in the tabular list?
Diseases of the eye and adnexa (H00-H59), in the block Disorders of choroid and retina (H30-H36).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.