Is H18.559 a billable ICD-10-CM code?

Yes. H18.559 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does H18.559 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).

H18.559

H18.559 — Macular corneal dystrophy, unspecified eye

Billable / specific codeICD-10-CMunspecified

H18.559 is a billable, specific ICD-10-CM code for macular corneal dystrophy, unspecified eye. It is valid for submission on a claim.

Risk adjustment

H18.559 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.

Related codes at this level

Codes that share H18.55. If H18.559 is not quite right, the correct code is usually one of these.

H18.551Macular corneal dystrophy, right eye
H18.552Macular corneal dystrophy, left eye
H18.553Macular corneal dystrophy, bilateral

Questions about H18.559

Is H18.559 a billable ICD-10-CM code?: Yes. H18.559 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H18.559 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).