L40-L45 ICD-10-CA block: Papulosquamous disorders
L40-L45 isn’t a code on its own. Choose one of the 30 codes beneath it, the one the documentation supports.
Official description
L40-L45Papulosquamous disorders (L40-L45)
ICD-10-CA · Canada
Codes in L40-L45
L40-L45 isn’t a code on its own. Open the group that matches what the note documents.
Notes for L40-L45
As CIHI prints them, with any note L40-L45 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)lipomelanotic reticulosis (I89.8)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)systemic connective tissue disorders (M30-M36)From Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
Where L40-L45 sits
- 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
- 2Block L40-L45Papulosquamous disorders
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is L40-L45 a valid ICD-10-CA code?
No. L40-L45 (Papulosquamous disorders) is a block heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 30 codes; record the one the documentation supports.
Where is L40-L45 in ICD-10-CA?
L40-L45 sits under Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99).
What coding notes apply to L40-L45?
ICD-10-CA lists Excludes notes for L40-L45, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.