Is H18.73 a billable ICD-10-CM code?

No. H18.73 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does H18.73 sit in the tabular list?

Diseases of the eye and adnexa (H00-H59), in the block Disorders of sclera, cornea, iris and ciliary body (H15-H22).

What cannot be coded together with H18.73?

H18.73 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above H18.73 (H18.7) and apply to it just the same.

H18.73

H18.73 — Descemetocele

Non-billable headerICD-10-CM

H18.73 is a non-billable header ICD-10-CM code for descemetocele. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above H18.73

These are not written on H18.73, but they bind it: a note on a category applies to every code beneath it. Billing H18.73 with anything listed here is a denial.

Written on H18.7 — Other and unspecified corneal deformities

congenital malformations of cornea (Q13.3-Q13.4)

Risk adjustment

H18.73 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 history

H18.73 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead H18.73

4 child codes. Green means billable.

Related codes at this level

Codes that share H18.7. If H18.73 is not quite right, the correct code is usually one of these.

Questions about H18.73

Is H18.73 a billable ICD-10-CM code?: No. H18.73 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does H18.73 sit in the tabular list?: Diseases of the eye and adnexa (H00-H59), in the block Disorders of sclera, cornea, iris and ciliary body (H15-H22).
What cannot be coded together with H18.73?: H18.73 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above H18.73 (H18.7) and apply to it just the same.