ICD-10-CM Codes
L00-L99
L20-L30
Dermatitis due to substances taken internally L27

Dermatitis due to substances taken internally L27-

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
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
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
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
Type 1 Excludes
- allergy NOS (T78.40)
- contact dermatitis NOS (L25.9)
- dermatitis NOS (L30.9)
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
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
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
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.-
)

Codes

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

Dermatitis due to substances taken internally L27-

Allergy, unspecified

Anaphylactic reaction due to food

Other adverse food reactions, not elsewhere classified

Allergic contact dermatitis

Unspecified contact dermatitis

Drug photoallergic response

Drug phototoxic response