All ICD10 Codes

L20-L30

Non-Billable
ChapterL00–L99
Rankblock
Official Description

Dermatitis and eczema (L20-L30)

Use a more specific code (2 billable, 9 non-billable)
L20Atopic dermatitishas subcodesL21Seborrheic dermatitishas subcodesL22Diaper dermatitisL23Allergic contact dermatitishas subcodesL24Irritant contact dermatitishas subcodesL25Unspecified contact dermatitishas subcodesL26Exfoliative dermatitisL27Dermatitis due to substances taken internallyhas subcodesL28Lichen simplex chronicus and prurigohas subcodesL29Pruritushas subcodesL30Other and unspecified dermatitishas subcodes
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.-)

Instructional Notes

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)

Clinical Hierarchy

BillableHas subcodes
CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L20-L30Dermatitis and eczema (L20-L30)Not billable
L20Atopic dermatitisSubcodes
L21Seborrheic dermatitisSubcodes
L22Diaper dermatitisBillable
L23Allergic contact dermatitisSubcodes
L24Irritant contact dermatitisSubcodes
L25Unspecified contact dermatitisSubcodes
L26Exfoliative dermatitisBillable
L27Dermatitis due to substances taken internallySubcodes
L28Lichen simplex chronicus and prurigoSubcodes
L29PruritusSubcodes
L30Other and unspecified dermatitisSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L20-L30:

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

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