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Diagnosis Code

L23.9 ALLERGIC CONTACT DERMATITIS, UNSPECIFIED CAUSE


Code Information

Diagnosis Code: L23.9

Short Description: Allergic contact dermatitis, unspecified cause

Long Description: Allergic contact dermatitis, unspecified cause

The code L23.9 is VALID for claim submission

Code Classification:

  • Diseases of the skin and subcutaneous tissue (L00–L99)
    • Dermatitis and eczema (L20-L30)
      • Allergic contact dermatitis (L23)
        • L23.9 Allergic contact dermatitis, unspecified cause

Code Version: 2022 ICD-10-CM


Synonyms

  • Allergic contact dermatitis
  • Allergic contact dermatitis of external auditory canal
  • Allergic contact dermatitis of face
  • Allergic contact dermatitis of female genitalia
  • Allergic contact dermatitis of foot
  • Allergic contact dermatitis of hands
  • Allergic contact dermatitis of lower leg
  • Allergic contact dermatitis of male genitalia
  • Allergic contact dermatitis of neck
  • Allergic contact dermatitis of perianal skin
  • Allergic contact dermatitis of scalp
  • Allergic contact sensitization of skin and skin-associated mucous membrane
  • Allergic contact sensitization of skin and skin-associated mucous membrane
  • Allergic contact urticaria
  • Allergic disorder of skin
  • Allergic sensitization
  • Allergic sensitization
  • Allergic vulvitis
  • Chronic contact dermatitis
  • Contact dermatitis of external ear
  • Contact dermatitis of female genitalia
  • Contact dermatitis of foot
  • Contact dermatitis of lower leg
  • Contact dermatitis of male genitalia
  • Contact dermatitis of neck
  • Contact dermatitis of perianal skin
  • Contact dermatitis of scalp
  • Contact urticaria
  • Contact urticaria
  • Contact urticaria
  • Disseminated allergic contact urticaria
  • Exacerbation of constitutional dermatitis due to occupation
  • Exacerbation of constitutional dermatitis due to occupational exposure to contact allergen
  • Lichen simplex chronicus
  • Lichenoid allergic contact dermatitis
  • Lichenoid allergic contact reaction
  • Localized allergic contact urticaria
  • Occupational allergic contact dermatitis
  • Occupational allergic contact sensitization
  • Perianal dermatitis
  • Protein contact dermatitis
  • Systemic contact dermatitis

Diagnostic Related Group(s)

The code L23.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Minor Skin Disorders With Mcc (606)
  • Minor Skin Disorders Without Mcc (607)

References to Index of Diseases and Injuries

The code L23.9 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Allergic contact eczema NOS

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
L23.9 Right Arrow 692.9 Dermatitis NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
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

This page was last updated on: 10/1/2023

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