Preferred Label : Psoriasis Area and Severity Index Fredriksson Version Clinical Classification;
NCIt synonyms : PASI Fredriksson Version;
NCIt related terms : PASI03; PASI FREDRIKSSON;
NCIt definition : A standardized index developed in 1978 by Fredriksson et al. that combines psoriasis
disease severity (measured as erythema, infiltration, and desquamation) and body surface
area involvement over 4 body regions (head, trunk, upper and lower extremities) to
assess progress during treatment.;
Alternative definition : CDISC: Psoriasis Area and Severity Index Version Fredriksson (PASI FREDRIKSSON) (Fredriksson
T, Pettersson U. Severe Psoriasis - Oral Therapy with a New Retinoid. Dermatologica.
1978; 157(4):238-244). CDISC believes this instrument to be in the public domain,
but you should perform your own assessment.;
NCI Metathesaurus CUI : CL1799471;
Origin ID : C191040;
UMLS CUI : C5784134;
Semantic type(s)
- concept_is_in_subset
