ICD-11 classes
01 Certain infectious or parasitic diseases
Mycobacterial diseases
1B20 — Leprosy
1B20.2 — Leprosy reactions
1B20.21 — Type II leprosy reaction

ICD-11 1B20.21 — Type II leprosy reaction

This phenomenon, also named downgrading reaction, occurs in borderline leprosy states and is associated with a decrease in cell-mediated immunity with a shift towards the lepromatous end of the clinical spectrum.

The diagnosis includes nothing.

The diagnosis excludes nothing.

It has no clarifying diagnoses.

The diagnosis is coded elsewhere:

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