Is H59.021 a billable ICD-10-CM code?

Yes. H59.021 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does H59.021 sit in the tabular list?

Diseases of the eye and adnexa (H00-H59), in the block Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified (H59).

H59.021

H59.021 — Cataract (lens) fragments in eye following cataract surgery, right eye

Billable / specific codeICD-10-CMright

H59.021 is a billable, specific ICD-10-CM code for cataract (lens) fragments in eye following cataract surgery, right eye. It is valid for submission on a claim.

Risk adjustment

H59.021 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.

Medicare coverage

H59.021 is named in 9 Medicare coverage policies — 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
A56453Billing and Coding: Cataract Extraction
A56544Billing and Coding: Cataract Extraction
A56613Billing and Coding: Cataract Surgery

Related codes at this level

Codes that share H59.02. If H59.021 is not quite right, the correct code is usually one of these.

Questions about H59.021

Is H59.021 a billable ICD-10-CM code?: Yes. H59.021 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H59.021 sit in the tabular list?: Diseases of the eye and adnexa (H00-H59), in the block Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified (H59).