All ICD10 Codes

L59

Non-Billable
ChapterL00–L99
Rankcategory
Official Description

Other disorders of skin and subcutaneous tissue related to radiation

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 12: Diseases of the Skin and Subcutaneous Tissue (L00-L99).

CH12 Parent Instructions

Excludes2(Not included here)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • lipomelanotic reticulosis (I89.8)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • viral warts (B07.-)

Clinical Hierarchy

CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L55-L59Radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
L59Other disorders of skin and subcutaneous tissue related to radiation
L59.0Erythema ab igne [dermatitis ab igne]
L59.8Other specified disorders of the skin and subcutaneous tissue related to radiation
L59.9Disorder of the skin and subcutaneous tissue related to radiation, unspecified

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L59:

chapterCH12
Diseases of the skin and subcutaneous tissue (L00-L99)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to L59. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

17 raw paths
Cheilitis (acute) (angular) (catarrhal) (chronic) (exfoliative) (gangrenous) (glandular) (infectional) (suppurative) (ulcerative) (vesicular)1 unique routes
actinic (due to sun)
other than from sun→L59
Dermatitis (eczematous)9 unique routes
ab igne→L59
actinic (due to sun)
other than from sun→L59
calorica→L59
combustionis→L59
due to(4 variants)
hot
weather or places→L59
infrared rays→L59
light (sun) NEC
other→L59
radiation→L59
heat→L59
Effect, adverse2 unique routes
infrared (radiation) (rays) NOS
dermatitis or eczema→L59
radiation (diagnostic) (infrared) (natural source) (therapeutic) (ultraviolet) (X-ray) NOS
skin→L59
Erythema, erythematous (infectional) (inflammation)1 unique routes
ab igne→L59
Heat (effects)1 unique routes
dermatitis or eczema→L59
Photodermatitis (sun)1 unique routes
light other than sun→L59
Photosensitivity, photosensitization (sun) skin1 unique routes
light other than sun→L59
Ulcer, ulcerated, ulcerating, ulceration, ulcerative1 unique routes
due to
radiation NEC→L59

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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