Von Willebrand Factor Antigen, Plasma
Useful For: Von Willebrand Disease is the most common hereditary bleeding disorder; it may also
May 10, 2023
Useful For: Von Willebrand Disease is the most common hereditary bleeding disorder; it may also
Additional Info: Includes Alpha-Tocopherol and Beta-Gamma-Tocopherol Useful For: Deficiency of Vitamin E may cause extensive
Useful For: Measurement of serum 25-OH vitamin D concentrations provide a good index of circulating
Additional Info: If cryoglobulin is detected, then % Cryocrit is also reported. Patient Preparation: Overnight
Useful For: Varicella-Zoster Virus (VZV) causes chicken pox and when reactivated, potentially decades later, causes
Additional Info: Test includes Varicella Zoster IgG and IgM antibodies. Useful For: Varicella-Zoster Virus (VZV)
Additional Info: Test includes creatinine. Methodology: High Performance Liquid Chromatography (HPLC) Specimen Requirements: Submit an
Useful For: Total Complement (CH50) concentration is an overall measure of the complement system. Decreased
Additional Info: False-negatives may occur in patients with solitary pulmonary lesions. Patients with active histoplasmosis