ICD-10 Diagnosis Code L12.1

Cicatricial pemphigoid

Diagnosis Code L12.1

ICD-10: L12.1
Short Description: Cicatricial pemphigoid
Long Description: Cicatricial pemphigoid
This is the 2017 version of the ICD-10-CM diagnosis code L12.1

Code Classification
  • Diseases of the skin and subcutaneous tissue
    • Bullous disorders (L10-L14)
      • Pemphigoid (L12)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code L12.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)


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.

  • Benign mucous membrane pemphigoid
  • Benign mucous membrane pemphigoid
  • Benign mucous membrane pemphigoid with no eye involvement
  • Benign mucous membrane pemphigoid with ocular involvement
  • Brunsting-Perry type cicatricial pemphigoid
  • Cicatrizing conjunctivitis
  • Drug-induced cicatricial pemphigoid
  • Drug-induced mucositis
  • Mucous membrane pemphigoid with esophageal involvement
  • Ocular cicatricial pemphigoid
  • Oral cicatricial pemphigoid
  • Oral involvement by mucous membrane pemphigoid
  • Toxic conjunctivitis caused by drug
  • Vesicular stomatitis

Index of Diseases and Injuries
References found for the code L12.1 in the Index of Diseases and Injuries:

Information for Patients


Pemphigus is an autoimmune disorder. If you have it, your immune system attacks healthy cells in your skin and mouth, causing blisters and sores. No one knows the cause. Pemphigus does not spread from person to person. It does not appear to be inherited. But some people's genes put them more at risk for pemphigus.

Pemphigoid is also an autoimmune skin disease. It leads to deep blisters that do not break easily. Pemphigoid is most common in older adults and may be fatal for older, sick patients.

Doctors diagnose pemphigus with a physical exam, a biopsy, and blood tests. The treatment of pemphigus and pemphigoid is the same: one or more medicines to control symptoms. These may include

  • Steroids, which reduce inflammation
  • Drugs that suppress the immune system response
  • Antibiotics to treat associated infections

NIH: National Institute of Arthritis and Musculoskeletal and Skin Diseases

  • Bullous pemphigoid
  • Pemphigus vulgaris

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