MCMCB Pro
L02.522

L02.522Furuncle left hand

Billable / specific codeICD-10-CMleft

L02.522 is a billable, specific ICD-10-CM code for furuncle left hand. It is valid for submission on a claim.

Risk adjustment

L02.522 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

L02.522 is named in 1 Medicare coverage policy 1 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56766Billing and Coding: Incision and Drainage (I&D) of Abscess of Skin, Subcutaneous and Accessory Structures

Related codes at this level

Codes that share L02.52. If L02.522 is not quite right, the correct code is usually one of these.

Questions about L02.522

Is L02.522 a billable ICD-10-CM code?
Yes. L02.522 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does L02.522 sit in the tabular list?
Diseases of the skin and subcutaneous tissue (L00-L99), in the block Infections of the skin and subcutaneous tissue (L00-L08).
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.