ICD-10-CM Codes
L00-L99 Diseases of the skin and subcutaneous tissue
L20-L30 Dermatitis and eczema
L23- Allergic contact dermatitis
2021 ICD-10-CM Diagnosis Code L23.6

2021 ICD-10-CM Diagnosis Code L23.6

Allergic contact dermatitis due to food in contact with the skin

2016

2017

2018

2019

2020

2021

Billable/Specific Code

L23.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Short description: Allergic contact dermatitis due to food in contact w skin
The 2021 edition of ICD-10-CM L23.6 became effective on October 1, 2020.
This is the American ICD-10-CM version of L23.6 - other international versions of ICD-10 L23.6 may differ.

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 (L23.6) and the excluded code together.

dermatitis due to ingested food (
ICD-10-CM Diagnosis Code L27.2
Dermatitis due to ingested food
Type 2 Excludes
- dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)
L27.2
)

The following code(s) above L23.6 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 L23.6:

L00-L99
2021 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
2021 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
L23
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)
Allergic contact dermatitis

Approximate Synonyms

Allergic contact dermatitis due to food

ICD-10-CM L23.6 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

606 Minor skin disorders with mcc
607 Minor skin disorders without mcc

Convert L23.6 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Code annotations containing back-references to L23.6:

Type 1 Excludes: T61
, T62

ICD-10-CM Diagnosis Code T61
Toxic effect of noxious substances eaten as seafood
Type 1 Excludes
- allergic reaction to food, such as:
- anaphylactic reaction or shock due to adverse food reaction (T78.0-)
- bacterial foodborne intoxications (A05.-)
- dermatitis (L23.6, L25.4, L27.2)
- food protein-induced enterocolitis syndrome (K52.21)
- food protein-induced enteropathy (K52.22)
- gastroenteritis (noninfective) (K52.29)
- toxic effect of aflatoxin and other mycotoxins (T64)
- toxic effect of cyanides (T65.0-)
- toxic effect of harmful algae bloom (T65.82-)
- toxic effect of hydrogen cyanide (T57.3-)
- toxic effect of mercury (T56.1-)
- toxic effect of red tide (T65.82-)
ICD-10-CM Diagnosis Code T62
Toxic effect of other noxious substances eaten as food
Type 1 Excludes
- allergic reaction to food, such as:
- anaphylactic shock (reaction) due to adverse food reaction (T78.0-)
- bacterial food borne intoxications (A05.-)
- dermatitis (L23.6, L25.4, L27.2)
- food protein-induced enterocolitis syndrome (K52.21)
- food protein-induced enteropathy (K52.22)
- gastroenteritis (noninfective) (K52.29)
- toxic effect of aflatoxin and other mycotoxins (T64)
- toxic effect of cyanides (T65.0-)
- toxic effect of hydrogen cyanide (T57.3-)
- toxic effect of mercury (T56.1-)
Type 2 Excludes: L27.2
, T78.1

ICD-10-CM Diagnosis Code L27.2
Dermatitis due to ingested food
Type 2 Excludes
- dermatitis due to food in contact with skin (L23.6, L24.6, L25.4)
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

Diagnosis Index entries containing back-references to L23.6:

Allergy, allergic (reaction) (to) T78.40
ICD-10-CM Diagnosis Code T78.40
Allergy, unspecified
Applicable To
Allergic reaction NOS
Hypersensitivity NOS
- food (any) (ingested) T78.1
  ICD-10-CM Diagnosis Code T78.1
  Other adverse food reactions, not elsewhere classified
  2016 2017 2018 2019 2020 2021 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
  - in contact with skin L23.6
Dermatitis (eczematous) L30.9
ICD-10-CM Diagnosis Code L30.9
Dermatitis, unspecified
Applicable To
Eczema NOS
- contact (occupational) L25.9
  ICD-10-CM Diagnosis Code L25.9
  Unspecified contact dermatitis, unspecified cause
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  Applicable To
  Contact dermatitis (occupational) NOS
  Contact eczema (occupational) NOS
  - allergic L23.9
    ICD-10-CM Diagnosis Code L23.9
    Allergic contact dermatitis, unspecified cause
    2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    Allergic contact eczema NOS
    - due to
      - food in contact with skin L23.6
Itch, itching - see also Pruritus
- baker's L23.6

ICD-10-CM Codes Adjacent To L23.6

L21.8 Other seborrheic dermatitis

L21.9 Seborrheic dermatitis, unspecified

L22 Diaper dermatitis

L23 Allergic contact dermatitis

L23.0 Allergic contact dermatitis due to metals

L23.1 Allergic contact dermatitis due to adhesives

L23.2 Allergic contact dermatitis due to cosmetics

L23.3 Allergic contact dermatitis due to drugs in contact with skin

L23.4 Allergic contact dermatitis due to dyes

L23.5 Allergic contact dermatitis due to other chemical products

L23.6 Allergic contact dermatitis due to food in contact with the skin

L23.7 Allergic contact dermatitis due to plants, except food

L23.8 Allergic contact dermatitis due to other agents

L23.81 Allergic contact dermatitis due to animal (cat) (dog) dander

L23.89 Allergic contact dermatitis due to other agents

L23.9 Allergic contact dermatitis, unspecified cause

L24 Irritant contact dermatitis

L24.0 Irritant contact dermatitis due to detergents

L24.1 Irritant contact dermatitis due to oils and greases

L24.2 Irritant contact dermatitis due to solvents

L24.3 Irritant contact dermatitis due to cosmetics

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

2021 ICD-10-CM Diagnosis Code L23.6

Allergic contact dermatitis due to food in contact with the skin

Dermatitis due to ingested food

Diseases of the skin and subcutaneous tissue

Dermatitis and eczema

Allergic contact dermatitis

Toxic effect of noxious substances eaten as seafood

Toxic effect of other noxious substances eaten as food

Dermatitis due to ingested food

Other adverse food reactions, not elsewhere classified

Allergy, unspecified

Other adverse food reactions, not elsewhere classified

Dermatitis, unspecified

Unspecified contact dermatitis, unspecified cause

Allergic contact dermatitis, unspecified cause