ICD-11 classes
01 Certain infectious or parasitic diseases
Pyogenic bacterial infections of the skin or subcutaneous...
1B70 — Bacterial cellulitis, erysipelas or lymphangitis

ICD-11 1B70 — Bacterial cellulitis, erysipelas or lymphangitis

Diffuse, spreading infections of skin and soft tissues by a range of bacterial organisms, most commonly beta-haemolytic streptococci and Staphylococcus aureus. The clinical presentation is dependent not only on the organism but also on the manner in which it invades the tissues.

The diagnosis includes nothing.

Diagnosis with code 1B70 contains 6 clarifying diagnoses:

1. 1B70.0 — Erysipelas
   It contains 4 clarifying diagnoses.
2. 1B70.1 — Streptococcal cellulitis of skin
3. 1B70.2 — Staphylococcal cellulitis of skin
4. 1B70.3 — Ascending bacterial lymphangitis
5. 1B70.Y — Bacterial cellulitis or lymphangitis due to other specified bacterium
6. 1B70.Z — Bacterial cellulitis or lymphangitis due to unspecified bacterium

The diagnosis is coded elsewhere:

• Pyogenic bacterial infections of the skin or subcutaneous tissues #15382
• Bacterial cellulitis, erysipelas or lymphangitis #15383