All ICD10 Codes

L23

Non-Billable
ChapterL00–L99
Rankcategory
Official Description

Allergic contact dermatitis

Use a more specific code (9 billable, 1 non-billable)
L23.0Allergic contact dermatitis due to metalsL23.1Allergic contact dermatitis due to adhesivesL23.2Allergic contact dermatitis due to cosmeticsL23.3Allergic contact dermatitis due to drugs in contact with skinL23.4Allergic contact dermatitis due to dyesL23.5Allergic contact dermatitis due to other chemical productsL23.6Allergic contact dermatitis due to food in contact with the skinL23.7Allergic contact dermatitis due to plants, except foodL23.8Allergic contact dermatitis due to other agentshas subcodesL23.9Allergic contact dermatitis, unspecified cause
Metadata & Insights
  • •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. Code separately if applicable.)
  • 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.-)

L20-L30 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • chronic (childhood) granulomatous disease (D71-)
  • dermatitis gangrenosa (L08.0)
  • dermatitis herpetiformis (L13.0)
  • dry skin dermatitis (L85.3)
  • factitial dermatitis (L98.1)
  • perioral dermatitis (L71.0)
  • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
  • stasis dermatitis (I87.2)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
Excludes2(Not included here. Code separately if applicable.)
  • dermatitis due to substances taken internally (L27.-)
  • dermatitis of eyelid (H01.1-)
  • diaper dermatitis (L22)
  • eczema of external ear (H60.5-)
  • irritant contact dermatitis (L24.-)
  • perioral dermatitis (L71.0)
  • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)

Clinical Hierarchy

BillableHas subcodes
CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L20-L30Dermatitis and eczema (L20-L30)
L23Allergic contact dermatitisNot billable
L23.0Allergic contact dermatitis due to metalsBillable
L23.1Allergic contact dermatitis due to adhesivesBillable
L23.2Allergic contact dermatitis due to cosmeticsBillable
L23.3Allergic contact dermatitis due to drugs in contact with skinBillable
L23.4Allergic contact dermatitis due to dyesBillable
L23.5Allergic contact dermatitis due to other chemical productsBillable
L23.6Allergic contact dermatitis due to food in contact with the skinBillable
L23.7Allergic contact dermatitis due to plants, except foodBillable
L23.8Allergic contact dermatitis due to other agentsSubcodes
L23.9Allergic contact dermatitis, unspecified causeBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L23:

blockL20-L30
Dermatitis and eczema (L20-L30)
View context instructions
chapterCH12
Diseases of the skin and subcutaneous tissue (L00-L99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

Find Procedures (ICD-10-PCS)

Find surgical and procedural codes related to Allergic contact dermatitis.

Search PCS Codes