ICD-11 classes
04 Diseases of the immune system
Allergic or hypersensitivity conditions
4A85 — Complex allergic or hypersensitivity conditions
4A85.0 — Drug or pharmacological agents hypersensitivity
Drug eruptions
EH63 — Stevens-Johnson syndrome and toxic epidermal necrolysis due...
EH63.0 — Drug-induced Stevens-Johnson syndrome
ICD-11 EH63.0 — Drug-induced Stevens-Johnson syndrome
This is one of the four principal forms of severe cutaneous adverse reaction to drugs (SCARs) and is characterised by inflammation, blistering and erosion of skin and mucous membranes. By definition, there is involvement of at least one mucous membrane and skin detachment is limited to less than 10% of body surface area. Most cases occur within the first 8 weeks of drug exposure. The drugs most commonly involved are antimicrobial sulfonamides, anticonvulsants, allopurinol, nevirapine and oxicam–nonsteroidal anti-inflammatory drugs.
The diagnosis includes nothing.
The diagnosis excludes nothing.
It has no clarifying diagnoses.
The diagnosis is coded elsewhere: