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ICD-10-CM Current in FY 2027

L27.9

Dermatitis due to unspecified substance taken internally

Release
FY 2027
Effective

Hierarchy

Where L27.9 sits in the official hierarchy. Each level is the code it is classified under.

  1. L27 Parent Dermatitis due to substances taken internally
  2. L27.9 This code Dermatitis due to unspecified substance taken internally

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

allergy NOS ( T78.40 )

Inherited from L27 — Dermatitis due to substances taken internally

Excludes2

adverse food reaction, except dermatitis (T78.0-T78.1)

Inherited from L27 — Dermatitis due to substances taken internally

Excludes2

contact dermatitis (L23-L25)

Inherited from L27 — Dermatitis due to substances taken internally

Excludes2

drug photoallergic response ( L56.1 )

Inherited from L27 — Dermatitis due to substances taken internally

Excludes2

drug phototoxic response ( L56.0 )

Inherited from L27 — Dermatitis due to substances taken internally

Excludes2

urticaria ( L50 .-)

Inherited from L27 — Dermatitis due to substances taken internally

Version History

How L27.9 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Dermatitis due to unspecified substance taken internally

  2. FY 2026 Effective

    Unchanged

    Dermatitis due to unspecified substance taken internally

Other codes under L27

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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