DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

L27 Dermatitis due to substances taken internally

  • Header · not billable

L27 is not billable. The category heads 5 billable codes in FY2027: the 5 codes directly below it.

Index → code

  • Hand-foot syndrome → L27.1
  • Erythrodysesthesia, palmar plantar (PPE) → L27.1
  • Foodallergy → L27.2

Where it sits

  1. Chapter 12 Diseases of the skin and subcutaneous tissue (L00-L99)
  2. L20-L30 Dermatitis and eczema (L20-L30)
  3. L27 Dermatitis due to substances taken internally
Billable codes
5
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
32

Codes in L27

  1. L27.0
    Generalized skin eruption due to drugs and medicaments taken internally
    Billable
    Use additional code 1

    Use additional code

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) T36 T50
  2. L27.1
    Localized skin eruption due to drugs and medicaments taken internally
    Billable
    Use additional code 1

    Use additional code

    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5) T36 T50
  3. L27.2
    Dermatitis due to ingested food
    Billable
    Excludes2 1

    Excludes2

    • dermatitis due to food in contact with skin (L23.6, L24.6, L25.4) L23.6 L24.6 L25.4
  4. L27.8
    Dermatitis due to other substances taken internally
    Billable
  5. L27.9
    Dermatitis due to unspecified substance taken internally
    Billable

Sources of each column.

Instructions

At L27

Excludes1

Excludes2

  • adverse food reaction, except dermatitis (T78.0-T78.1) T78.0 T78.1
  • contact dermatitis (L23-L25) L23 L25
  • drug photoallergic response (L56.1) L56.1
  • drug phototoxic response (L56.0) L56.0
  • urticaria (L50.-) L50

Notes that also apply

Block L20-L30 instructions (Notes 1, Excludes2 8): printed on the block page.

Chapter 12 instructions (Excludes2 10): printed on the chapter 12 page.

Index entries

  • Erythrodysesthesia, palmar plantar (PPE) → L27.1
  • Hand-foot syndrome → L27.1
  • Eruptiondrug (generalized) (taken internally) → L27.0
  • Rash (toxic)drug (internal use) → L27.0
  • Syndromehand-foot → L27.1
  • Foodallergy → L27.2
  • Dermatitis (eczematous)arsenical (ingested) → L27.8
  • Dermatitis (eczematous)due todrugs and medicaments (generalized) (internal use) → L27.0
  • Dermatitis (eczematous)due tovaccine or vaccination → L27.0
  • Eruptionskin (nonspecific)due to inoculation/vaccination (generalized) → L27.0
  • Eruptiondrug (generalized) (taken internally)fixed → L27.1
  • Eruptiondrug (generalized) (taken internally)localized → L27.1
  • Allergy, allergic (reaction) (to)milk proteindermatitis → L27.2
  • Dermatitis (eczematous)due tocereal (ingested) → L27.2
  • Dermatitis (eczematous)due tocoffee (ingested) → L27.2
  • Dermatitis (eczematous)due tofish (ingested) → L27.2
  • Dermatitis (eczematous)due toflour (ingested) → L27.2
  • Dermatitis (eczematous)due tofood (ingested) → L27.2
  • Dermatitis (eczematous)due tofruit (ingested) → L27.2
  • Dermatitis (eczematous)due tomeat (ingested) → L27.2
  • Dermatitis (eczematous)due tomilk (ingested) → L27.2
  • Dermatitis (eczematous)due toarsenic (ingested) → L27.8
  • Dermatitis (eczematous)due toingestion, ingested substance → L27.9
  • Dermatitis (eczematous)due tointernal agent → L27.9
  • Dermatitis (eczematous)due todrugs and medicaments (generalized) (internal use)localized skin eruption → L27.1
  • Eruptionskin (nonspecific)due to inoculation/vaccination (generalized)localized → L27.1
  • Dermatitis (eczematous)due toingestion, ingested substancefood → L27.2
  • Dermatitis (eczematous)due tointernal agentfood → L27.2
  • Dermatitis (eczematous)due toalcohol (irritant) (skin contact) (substances in category T51)taken internally → L27.8
  • Dermatitis (eczematous)due tochemical(s) NECtaken internally → L27.8
  • Dermatitis (eczematous)due toingestion, ingested substancechemical NEC → L27.8
  • Dermatitis (eczematous)due toingestion, ingested substancespecified NEC → L27.8

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy