Fant denne definisjonen på leo.dict, der de også foreslår spesialtester. "Esoteric tests account for 9% of the clinical laboratory market and are growing at 15% annually. Esoteric tests are low-volume, high-margin tests that are performed in labs that have expensive, sophisticated equipment and highly skilled personnel. Types of esoteric tests include allergy testing, cancer testing, special blood chemistries, chromosome and gene analysis, microbiology studies and infectious-disease testing."