ICD-11 classes
14 Diseases of the skin
Certain skin disorders attributable to infection or...
Certain skin disorders attributable to bacterial infection
Pyogenic bacterial infections of the skin or subcutaneous...
1B73 — Ecthyma
ICD-11 1B73 — Ecthyma
Ecthyma is a superficial ulcerative bacterial pyoderma. It is characterised by small, purulent, shallow, punched-out ulcers with thick, brown-black crusts and surrounding erythema. The commonest form is caused by beta-haemolytic streptococci, often in association with Staphylococcus aureus. It is associated with poor hygiene and malnutrition. Ecthyma gangrenosum is an uncommon severe variant caused by Pseudomonas aeruginosa.
The diagnosis includes nothing.
The diagnosis excludes nothing.
Diagnosis with code 1B73 contains 5 clarifying diagnoses:
- 1B73.0 — Streptococcal ecthyma
- 1B73.1 — Staphylococcal ecthyma
- 1B73.2 — Ecthyma gangrenosum
- 1B73.Y — Other specified ecthyma
- 1B73.Z — Ecthyma, unspecified
The diagnosis is coded elsewhere: