1C1D

ICD-11 MMS 2026-01

Yaws

Description

An infectious disease caused by Treponema pallidum subsp. pertenue which mainly affects children in rural communities in the humid tropics. It affects the skin and bones, is spread by skin to skin contact, and is not sexually transmitted, but cannot be distinguished serologically from syphilis.

Exclusions from above levels

  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Child codes

Sibling codes

  • 1C10 – Actinomycosis
  • 1C11 – Bartonellosis
  • 1C12 – Whooping cough
  • 1C13 – Tetanus
  • 1C14 – Obstetrical tetanus
  • 1C15 – Tetanus neonatorum
  • 1C16 – Gas gangrene
  • 1C17 – Diphtheria
  • 1C18 – Brazilian purpuric fever
  • 1C19 – Legionellosis
  • 1C1A – Listeriosis
  • 1C1B – Nocardiosis
  • 1C1C – Meningococcal disease
  • 1C1E – Pinta
  • 1C1F – Endemic non-venereal syphilis
  • 1C1G – Lyme borreliosis
  • 1C1H – Necrotising ulcerative gingivitis
  • 1C1J – Relapsing fever
  • 1C40 – Campylobacteriosis
  • 1C41 – Bacterial infection of unspecified site
  • 1C42 – Melioidosis
  • 1C43 – Actinomycetoma
  • 1C44 – Non-pyogenic bacterial infections of the skin
  • 1C45 – Toxic shock syndrome
  • 1C4Y – Other specified bacterial diseases
  • 1C4Z – Unspecified bacterial disease

Foundation entity

Yaws – http://id.who.int/icd/entity/840525023

Part of: 01: Certain infectious or parasitic diseases