icd10free.comPowered by Curo
L27Non-billableSave

L27 - Dermatitis due to substances taken internally

ICD-10-CM Chapter 12: Diseases of the skin and subcutaneous tissue · L20-L30 Dermatitis and eczema (L20-L30) · Top-level category · FY2027

Coding Guidance

L27 is a non-billable heading. Report one of the 5 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom L27

Mutually exclusive: these conditions are never reported together with this code.

  • allergy NOS (T78.40)
Excludes 2 — Not Included HereFrom L27

Not part of this code; report both codes when the patient has both conditions.

  • 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.-)
Excludes 2 — Not Included HereFrom L20-L30 Dermatitis and eczema (L20-L30)

Not part of this code; report both codes when the patient has both conditions.

  • 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)
NotesFrom L20-L30 Dermatitis and eczema (L20-L30)

Instructional notes from the ICD-10-CM tabular list.

  • In this block the terms dermatitis and eczema are used synonymously and interchangeably.
Excludes 2 — Not Included HereFrom Chapter L00-L99

Not part of this code; report both codes when the patient has both conditions.

  • 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.-)

More Specific Codes (5)

L27.0Generalized skin eruption due to drugs and medicaments taken internally→L27.1Localized skin eruption due to drugs and medicaments taken internally→L27.2Dermatitis due to ingested food→L27.8Dermatitis due to other substances taken internally→L27.9Dermatitis due to unspecified substance taken internally→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with L27.