L40
L40 — Psoriasis
Non-billable headerICD-10-CM
L40 is a non-billable header ICD-10-CM code for psoriasis. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with L40
These codes carry an Excludes1 note pointing at L40. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading L40 alone.
Risk adjustment
L40 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 L40
8 child codes. Green means billable.
Questions about L40
- Is L40 a billable ICD-10-CM code?
- No. L40 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does L40 sit in the tabular list?
- Diseases of the skin and subcutaneous tissue (L00-L99), in the block Papulosquamous disorders (L40-L45).