2018/2019

  1. ICD-10-CM Codes
    2. ›
  2. L00-L99 Diseases of the skin and subcutaneous tissue
    3. ›
  3. L20-L30 Dermatitis and eczema
    4. ›
  4. L27- Dermatitis due to substances taken internally
    5. ›

2018/2019 ICD-10-CM Diagnosis Code L27

Dermatitis due to substances taken internally

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as L27. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • allergy NOS (
    ICD-10-CM Diagnosis Code T78.40

    Allergy, unspecified

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Applicable To
    • Allergic reaction NOS
    • Hypersensitivity NOS
    T78.40
    )
Type 2 Excludes
Type 2 Excludes Help
A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (L27) and the excluded code together.
  • adverse food reaction, except dermatitis (
    ICD-10-CM Diagnosis Code T78.0

    Anaphylactic reaction due to food

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Applicable To
    • Anaphylactic reaction due to adverse food reaction
    • Anaphylactic shock or reaction due to nonpoisonous foods
    • Anaphylactoid reaction due to food
    T78.0-
    ICD-10-CM Diagnosis Code T78.1

    Other adverse food reactions, not elsewhere classified

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • anaphylactic reaction or shock due to adverse food reaction (T78.0-)
    • anaphylactic reaction due to food (T78.0-)
    • bacterial food borne intoxications (A05.-)
    Type 2 Excludes
    • allergic and dietetic gastroenteritis and colitis (K52.29)
    • allergic rhinitis due to food (J30.5)
    • dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)
    • dermatitis due to ingested food (L27.2)
    • food protein-induced enterocolitis syndrome (K52.21)
    • food protein-induced enteropathy (K52.22)
    Use Additional
    • code to identify the type of reaction, if applicable
    T78.1
    )
  • contact dermatitis (
    ICD-10-CM Diagnosis Code L23

    Allergic contact dermatitis

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Type 2 Excludes
    • dermatitis due to substances taken internally (L27.-)
    • dermatitis of eyelid (H01.1-)
    • diaper dermatitis (L22)
    • eczema of external ear (H60.5-)
    • irritant contact dermatitis (L24.-)
    • perioral dermatitis (L71.0)
    • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
    L23
    -
    ICD-10-CM Diagnosis Code L25

    Unspecified contact dermatitis

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • allergic contact dermatitis (L23.-)
    • allergy NOS (T78.40)
    • dermatitis NOS (L30.9)
    • irritant contact dermatitis (L24.-)
    Type 2 Excludes
    • dermatitis due to ingested substances (L27.-)
    • dermatitis of eyelid (H01.1-)
    • eczema of external ear (H60.5-)
    • perioral dermatitis (L71.0)
    • radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
    L25
    )
  • drug photoallergic response (
    ICD-10-CM Diagnosis Code L56.1

    Drug photoallergic response

      2016 2017 2018 2019 Billable/Specific Code
    Use Additional
    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
    L56.1
    )
  • drug phototoxic response (
    ICD-10-CM Diagnosis Code L56.0

    Drug phototoxic response

      2016 2017 2018 2019 Billable/Specific Code
    Use Additional
    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
    L56.0
    )
  • urticaria (
    ICD-10-CM Diagnosis Code L50
    • L50 Urticaria
      • L50.0 Allergic urticaria
      • L50.1 Idiopathic urticaria
      • L50.2 Urticaria due to cold and heat
      • L50.3 Dermatographic urticaria
      • L50.4 Vibratory urticaria
      • L50.5 Cholinergic urticaria
      • L50.6 Contact urticaria
      • L50.8 Other urticaria
      • L50.9 Urticaria, unspecified
    L50.-
    )
The following code(s) above L27 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to L27:
  • L00-L99
    2019 ICD-10-CM Range L00-L99

    Diseases of the skin and subcutaneous tissue

    Type 2 Excludes
    • 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.-)
    Diseases of the skin and subcutaneous tissue
  • L20-L30
    2019 ICD-10-CM Range L20-L30

    Dermatitis and eczema

    Note
    • In this block the terms dermatitis and eczema are used synonymously and interchangeably.
    Type 2 Excludes
    • 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)
    Dermatitis and eczema
Code History
Code annotations containing back-references to L27:
ICD-10-CM Codes Adjacent To L27
L25 Unspecified contact dermatitis
L25.0 Unspecified contact dermatitis due to cosmetics
L25.1 Unspecified contact dermatitis due to drugs in contact with skin
L25.2 Unspecified contact dermatitis due to dyes
L25.3 Unspecified contact dermatitis due to other chemical products
L25.4 Unspecified contact dermatitis due to food in contact with skin
L25.5 Unspecified contact dermatitis due to plants, except food
L25.8 Unspecified contact dermatitis due to other agents
L25.9 Unspecified contact dermatitis, unspecified cause
L26 Exfoliative dermatitis
L27 Dermatitis due to substances taken internally
L27.0 Generalized skin eruption due to drugs and medicaments taken internally
L27.1 Localized skin eruption due to drugs and medicaments taken internally
L27.2 Dermatitis due to ingested food
L27.8 Dermatitis due to other substances taken internally
L27.9 Dermatitis due to unspecified substance taken internally
L28 Lichen simplex chronicus and prurigo
L28.0 Lichen simplex chronicus
L28.1 Prurigo nodularis
L28.2 Other prurigo
L29 Pruritus

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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