ICD-10 Diagnosis Code L51.9

Erythema multiforme, unspecified

Diagnosis Code L51.9

ICD-10: L51.9
Short Description: Erythema multiforme, unspecified
Long Description: Erythema multiforme, unspecified
This is the 2018 version of the ICD-10-CM diagnosis code L51.9

Valid for Submission
The code L51.9 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the skin and subcutaneous tissue (L00–L99)
    • Urticaria and erythema (L49-L54)
      • Erythema multiforme (L51)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code L51.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Coccidioidomycosis with erythema multiforme
  • Drug-induced erythema multiforme
  • Erythema iris
  • Erythema multiforme
  • Erythema multiforme co-occurrent with ulcer of oral mucous membrane
  • Erythema multiforme due to malignancy
  • Erythema multiforme minor
  • Erythema multiforme of pregnancy
  • Erythema multiforme, dermal type
  • Erythema multiforme-induced ulceration of lips
  • Gingival disease co-occurrent and due to erythema multiforme
  • Herpes iris
  • Lip ulcer
  • Mucous membrane erythema
  • Stevens-Johnson syndrome

Index of Diseases and Injuries
References found for the code L51.9 in the Index of Diseases and Injuries:

Information for Patients

Skin Conditions

Also called: Cutaneous disorders, Dermatologic disorders

Your skin is your body's largest organ. It covers and protects your body. Your skin

  • Holds body fluids in, preventing dehydration
  • Keeps harmful microbes out, preventing infections
  • Helps you feel things like heat, cold, and pain
  • Keeps your body temperature even
  • Makes vitamin D when the sun shines on it

Anything that irritates, clogs, or inflames your skin can cause symptoms such as redness, swelling, burning, and itching. Allergies, irritants, your genetic makeup, and certain diseases and immune system problems can cause rashes, hives, and other skin conditions. Many skin problems, such as acne, also affect your appearance.

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases

  • Acrodermatitis (Medical Encyclopedia)
  • Cryotherapy (Medical Encyclopedia)
  • Cutaneous skin tags (Medical Encyclopedia)
  • Dry skin -- self-care (Medical Encyclopedia)
  • Erythema multiforme (Medical Encyclopedia)
  • Granuloma annulare (Medical Encyclopedia)
  • Keratosis pilaris (Medical Encyclopedia)
  • Lichen planus (Medical Encyclopedia)
  • Milia (Medical Encyclopedia)
  • Sebaceous cyst (Medical Encyclopedia)
  • Seborrheic keratosis (Medical Encyclopedia)
  • Skin lesion removal (Medical Encyclopedia)
  • Skin lesion removal-aftercare (Medical Encyclopedia)
  • Stasis dermatitis and ulcers (Medical Encyclopedia)

[Read More]
Previous Code
Previous Code L51.8
Next Code
L52 Next Code