All ICD10 Codes

L27

Non-Billable
ChapterL00–L99
Rankcategory
Official Description

Dermatitis due to substances taken internally

Use a more specific code (5 billable)
L27.0Generalized skin eruption due to drugs and medicaments taken internallyL27.1Localized skin eruption due to drugs and medicaments taken internallyL27.2Dermatitis due to ingested foodL27.8Dermatitis due to other substances taken internallyL27.9Dermatitis due to unspecified substance taken internally
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.)
  • adverse food reaction, except dermatitis (T78.0-T78.1)
  • contact dermatitis (L23-L25)
  • drug photoallergic response (L56.1)
  • drug phototoxic response (L56.0)
  • urticaria (L50.-)

Clinical Hierarchy

BillableHas subcodes
CH12Diseases of the skin and subcutaneous tissue (L00-L99)
L20-L30Dermatitis and eczema (L20-L30)
L27Dermatitis due to substances taken internallyNot billable
L27.0Generalized skin eruption due to drugs and medicaments taken internallyBillable
L27.1Localized skin eruption due to drugs and medicaments taken internallyBillable
L27.2Dermatitis due to ingested foodBillable
L27.8Dermatitis due to other substances taken internallyBillable
L27.9Dermatitis due to unspecified substance taken internallyBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to L27:

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

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