Specialty tests are the advanced markers that do not fit a single organ system: amino acid profiles, immune cell ratios, 24-hour urine collections, and the deeper hormone and metabolic assays a standard panel never includes. They are usually ordered to follow up a specific finding, to support a practitioner-guided protocol, or by people who want a more granular view of nutrition, recovery or immune status. Each test page explains what the result means, how the sample is collected, and any preparation involved.
27 tests · CLIA-certified labs, 4,000+ draw locations, no doctor referral needed. Prices shown are non-member prices; Insiders pay less. Build an order in the Lab Shop.
Androstenedione is a steroid hormone produced by the adrenal glands and the gonads (testes or ovaries). It serves as a critical intermediate precursor in the…
Anti-Mullerian Hormone (AMH), a marker of ovarian reserve. Quest runs its female AMH assay for this item; men should choose Labcorp or BioReference.
Specimen: Serum OR Plasma Volume: 1 mL
Lamotrigine (Lamictal)
Specimen: Whole blood, plasma Volume: 4.5 mL, 2.7 mL, 1.8 mL Method: See individual test components Typical Turnaround Time: Within 1 day
Complete STI screen: blood serology for HIV-1/2 antigen/antibody, hepatitis B (surface antigen and antibodies), hepatitis C antibody, and syphilis (RPR), plus…
Blood-only STI screen: HIV-1/2 antigen/antibody, hepatitis B surface antigen and antibodies, hepatitis C antibody, and syphilis (RPR). Does not include…
This test measures total tryptase (alpha and beta tryptase). Tryptase is the most abundant protein component of human mast cell secretory granules. Serum…
