RIVAR - Overview: Rivaroxaban, Anti-Xa, Plasma
Measuring rivaroxaban concentration in selected clinical situations (eg, kidney insufficiency, assessment of compliance, periprocedural measurement of drug concentration, suspected overdose, advanced age, and extremes of body weight)
ALKP - Overview: Alkaline Phosphatase, Total and Isoenzymes, Serum
Aid in the diagnosis and treatment of liver, bone, intestinal, and parathyroid diseases Determining the tissue source of increased alkaline phosphatase (ALP) activity in serum Differentiating between liver and bone sources of elevated ALP
GIAR - Overview: Giardia Antigen, Feces
Sensitive screening for the detection of Giardia antigens present in fecal specimens
RB24 - Overview: Retinol-Binding Protein, 24 Hour, Urine
Assessing renal tubular injury or dysfunction Screening for other tubular abnormalities Detecting chronic asymptomatic renal tubular dysfunction.(2)
ALDS - Overview: Aldosterone, Serum
Investigating primary aldosteronism (eg, adrenal adenoma/carcinoma and adrenal cortical hyperplasia) and secondary aldosteronism (renovascular disease, salt depletion, potassium loading, cardiac failure with ascites, pregnancy, Bartter...
HVAR - Overview: Homovanillic Acid, Random, Urine
Screening children for catecholamine-secreting tumors using a random urine collection when requesting homovanillic acid only Monitoring neuroblastoma treatment Screening patients with possible inborn errors of catecholamine metabolism
PCAG - Overview: Protein C Antigen, Plasma
Differentiating congenital type I protein C deficiency from type II deficiency Evaluating the significance of decreased functional protein C, especially when decreased protein C activity might be congenital rather than acquired (eg, due...
ALB24 - Overview: Albumin, 24 Hour, Urine
Evaluating diabetic patients to assess the potential for early onset of nephropathy
CHF8P - Overview: Chromogenic Factor VIII Inhibitor Bethesda Profile, Plasma
Detecting the presence and titer of a specific factor inhibitor directed against coagulation factor VIII for patients on emicizumab (Hemlibra) Detecting the presence and titer of an inhibitor directed against factor VIII This test is not...
VMAR - Overview: Vanillylmandelic Acid, Random, Urine
Screening children for catecholamine-secreting tumors using a random urine collection when requesting vanillylmandelic acid only Supporting a diagnosis of neuroblastoma Monitoring patients with a treated neuroblastoma
Mayo Clinic Ranked No. 1 Hospital Nationwide by U.S. News & World Report - Insights
Report’s 29th annual "Best Hospitals Honor Roll" published online on August 14. Mayo Clinic also ranked No. 1 in more specialties than any other hospital in the country....
NELL-1 [Test in Focus] - Insights
D., discusses how Mayo Clinic Laboratories’ new immunohistochemistry test for the detection of NELL-1 antigen, a biomarker for membranous nephropathy found in 10% to 15% of patients, provides diagnostic...
Looking Back on Clinical Chemistry 1 - Insights
in the Mayo Clinic Medical Laboratory Science program, takes a look back on her Clinical Chemistry 1 course....
Detection of (1→3)-𝝱-D-glucan as a Marker of Invasive Fungal Disease - Insights
In this month’s “Hot Topic,” Elitza Theel, Ph.D., will discuss the detection of (1→3)-β-D-glucan (BDG) in serum as a biomarker for the presence of invasive fungal infections....
Orexin-A/Hypocretin-1 for the Diagnosis of Type 1 Narcolepsy [Test in Focus] - Insights
test to perform as well as to interpret. The orexin-A/hypocretin-1 test is a sensitive and specific alternative to the MSLT to diagnose type 1 narcolepsy....