Dermatitis due to unspecified substance taken internally
Billable / specific
L27.9 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Includes (from L27)
- Note: In this block the terms dermatitis and eczema are used synonymously and interchangeably.
Excludes1
Not coded here — never report together with this code.
Excludes2
Not included here — may be reported together when both conditions exist.
- certain conditions originating in the perinatal period (P04-P96) (from L27)
- certain infectious and parasitic diseases (A00-B99) (from L27)
- complications of pregnancy, childbirth and the puerperium (O00-O9A) (from L27)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99) (from L27)
- endocrine, nutritional and metabolic diseases (E00-E88) (from L27)
- lipomelanotic reticulosis (I89.8) (from L27)
- neoplasms (C00-D49) (from L27)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94) (from L27)
- systemic connective tissue disorders (M30-M36) (from L27)
- viral warts (B07.-) (from L27)
- chronic (childhood) granulomatous disease (D71-) (from L27)
- dermatitis gangrenosa (L08.0) (from L27)
- dermatitis herpetiformis (L13.0) (from L27)
- dry skin dermatitis (L85.3) (from L27)
- factitial dermatitis (L98.1) (from L27)
- perioral dermatitis (L71.0) (from L27)
- radiation-related disorders of the skin and subcutaneous tissue (L55-L59) (from L27)
- stasis dermatitis (I87.2) (from L27)
- adverse food reaction, except dermatitis (T78.0-T78.1) (from L27)
- contact dermatitis (L23-L25) (from L27)
- drug photoallergic response (L56.1) (from L27)
- drug phototoxic response (L56.0) (from L27)
- urticaria (L50.-) (from L27)
Also known as
- Dermatitis, due to ingestion, ingested substance
- Dermatitis, due to internal agent
Parent code
- L27Dermatitis due to substances taken internallyHeader