Test Details Methodology Immunoassay (IA) Reference Range(s) Negative <20 Units Weak positive 20-39 Units Moderate positive 40-59 Units Strong positive >59 Units Alternative Name(s) Citrullinated…
Test Details Use Aid in the determination of serological status to CMV. IgG antibodies rise gradually and persist for the rest of an individual’s life.…
Test Details Use Aid in the diagnosis of acute primary infection Limitations IgM responses may persist for weeks to months postinfection. Low levels of IgM…
Test Details Use Dihydrotestosterone and dihydrotestosterone/ratio may be used for differential diagnosis of diseases of sexual differentiation (DSD). DHT levels may be inappropriately low compared…
Test Details Use Detect the presence of prescribed and illicit drugs Methodology Initial testing by immunoassay (IA); confirmation of positives by mass spectrometry (MS)
Test Details Use Differential diagnosis of infectious mononucleosis. VCA IgG antibodies appear early in EBV infection and titers peak between 2-4 weeks after the appearance…
Test Details Use Aid in the diagnosis of acute EBV infection (infectious mononucleosis) Limitations Weakly positive results require cautious interpretation. The results for this test…
Test Details Use Evaluate fetal distress and placental function in the management of patients facing complications such as preëclampsia, fetal growth retardation, diabetes, Rh immunization,…
Test Details Use Evaluate postmenopausal vaginal bleeding due to peripheral conversion of androgenic steroids. Increased estrone levels may be associated with increased levels of circulating…
Test Details Use Contributes to the risk assessment for venous thromboembolism (VTE) to better inform decisions regarding treatment and clinical management decisions of patients with…
Test Details Use Detect folate deficiency; monitor therapy with folate; evaluate megaloblastic and macrocytic anemia; evaluate alcoholic patients and those with prior jejunoileal bypass for…
