H40.83
H40.83 — Aqueous misdirection
Non-billable headerICD-10-CM
H40.83 is a non-billable header ICD-10-CM code for aqueous misdirection. It cannot be billed on its own: choose one of the more specific child codes below.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Malignant glaucoma
Other codes that can never be billed with H40.83
These codes carry an Excludes1 note pointing at H40.83. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading H40.83 alone.
- H40.2Primary angle-closure glaucoma
Risk adjustment
H40.83 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 H40.83
4 child codes. Green means billable.
Related codes at this level
Codes that share H40.8. If H40.83 is not quite right, the correct code is usually one of these.
Questions about H40.83
- Is H40.83 a billable ICD-10-CM code?
- No. H40.83 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does H40.83 sit in the tabular list?
- Diseases of the eye and adnexa (H00-H59), in the block Glaucoma (H40-H42).