DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 12

L55-L59 Radiation-related disorders of the skin and subcutaneous tissue (L55-L59)

Block L55-L59 groups 5 categories with 26 billable codes in FY2027.

Where it sits

  1. Chapter 12 Diseases of the skin and subcutaneous tissue (L00-L99)
  2. L55-L59 Radiation-related disorders of the skin and subcutaneous tissue (L55-L59)

Neighbouring blocks

Categories
5
Billable codes
26
CC codes
0
MCC codes
0
HCC V28 codes
0
New FY2027
0

Categories in L55-L59

  • L55

    Sunburn

    Sunburn → L55.9

    • 4 billable codes
  • L56

    Other acute skin changes due to ultraviolet radiation

    DSAP → L56.5

    • 8 billable codes
  • L57

    Skin changes due to chronic exposure to nonionizing radiation

    Keratoma → L57.0

    • 8 billable codes
  • L58

    Radiodermatitis

    Radiodermatitis → L58.9

    • 3 billable codes
  • L59

    Other disorders of skin and subcutaneous tissue related to radiation

    Dermatitis (eczematous)heat → L59.0

    • 3 billable codes

Index main terms

  • Dermatitis (eczematous) → L56, L57, L58, L59 (33 entries)
  • Sunburn → L55, L56, L57 (8 entries)
  • Change(s) (in) (of) → L56, L57 (4 entries)
  • Keratosis → L57 (4 entries)
  • Photodermatitis (sun) → L56, L57, L59 (4 entries)
  • Effect, adverse → L56, L59 (3 entries)
  • Elastosis → L57 (3 entries)
  • Radiodermatitis → L58 (3 entries)
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative → L58, L59 (3 entries)
  • Atrophia → L57 (2 entries)
  • Atrophy, atrophic (of) → L57 (2 entries)
  • Cheilitis (acute) (angular) (catarrhal) (chronic) (exfoliative) (gangrenous) (glandular) (infectional) (suppurative) (ulcerative) (vesicular) → L56, L59 (2 entries)
  • Cutis → L57 (2 entries)
  • Dermatolysis (exfoliativa) (congenital) → L57 (2 entries)
  • Eruption → L56 (2 entries)

+28 more main terms; the search box finds them by word.

Block instructions

Notes that also apply

Chapter 12 instructions (Excludes2 10): printed on the chapter 12 page.