ICD-11 classes
01 Certain infectious or parasitic diseases
Mycobacterial diseases
1B20 — Leprosy

ICD-11 1B20 — Leprosy

A disease caused by an infection with Mycobacterium leprae. This disease commonly presents with a long asymptomatic period followed by granulomatous lesions of the skin, respiratory tract, and peripheral nerves. Transmission is commonly by droplet transmission. Confirmation is by identification of Mycobacterium leprae with skin biopsy.

It includes 1 item.

  • Infection due to Mycobacterium leprae

The diagnosis excludes nothing.

Diagnosis with code 1B20 contains 5 clarifying diagnoses:

  1. 1B20.0 — Paucibacillary leprosy
  2. 1B20.1 — Multibacillary leprosy
  3. 1B20.2 — Leprosy reactions
    It contains 2 clarifying diagnoses.
  4. 1B20.3 — Complications of leprosy
  5. 1B20.Z — Leprosy, unspecified

The diagnosis is coded elsewhere:

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