L59 ICD-10-CA category: Other disorders of skin and subcutaneous tissue related to radiation

L59 isn’t a code on its own. Choose one of the 3 codes beneath it, the one the documentation supports.

Official description

L59

Other disorders of skin and subcutaneous tissue related to radiation

ICD-10-CA · Canada

Codes in L59

L59 isn’t a code on its own. Open the code that matches what the note documents.

Notes for L59

As CIHI prints them, with any note L59 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 L59 sits

  1. 1ChapterChapter 12: Diseases of the skin and subcutaneous tissue (L00-L99)
  2. 2Block L55-L59Radiation-related disorders of the skin and subcutaneous tissue
  3. 3Category L59Other disorders of skin and subcutaneous tissue related to radiation

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 L59 a valid ICD-10-CA code?

No. L59 (Other disorders of skin and subcutaneous tissue related to radiation) is a category heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 3 codes; record the one the documentation supports.

Where is L59 in ICD-10-CA?

L59 sits under L55-L59 Radiation-related disorders of the skin and subcutaneous tissue, within Chapter 12: Diseases of the skin and subcutaneous tissue (L00-L99).

What coding notes apply to L59?

ICD-10-CA lists Excludes notes for L59, 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.