1B74

ICD-11 MMS 2026-01

Superficial bacterial folliculitis

Description

Bacterial infection of the follicular ostium manifested as follicular papules and pustules with perifollicular erythema. The most commonly isolated organisms are coagulase-negative staphylococci and Staphylococcus aureus. The infection may be acute but is more commonly subacute or chronic; individual lesions heal without scarring. Commonly affected sites include the scalp, beard area, thighs and buttocks.

Exclusions from above levels

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

Child codes

  • 1B74.0 – Staphylococcus aureus superficial folliculitis
  • 1B74.Y – Superficial bacterial folliculitis due to other specified organism
  • 1B74.Z – Superficial bacterial folliculitis due to unspecified organism

Sibling codes

  • 1B70 – Bacterial cellulitis, erysipelas or lymphangitis
  • 1B71 – Necrotising fasciitis
  • 1B72 – Impetigo
  • 1B73 – Ecthyma
  • 1B75 – Deep bacterial folliculitis or pyogenic abscess of the skin
  • 1B7Y – Other specified pyogenic bacterial infection of skin or subcutaneous tissue
  • 1B7Z – Pyogenic bacterial infection of skin or subcutaneous tissue, unspecified

Foundation entity

Superficial bacterial folliculitis – http://id.who.int/icd/entity/1622653958

Allowed postcoordination axes

Part of: 01: Certain infectious or parasitic diseases