STFR - Overview: Soluble Transferrin Receptor (sTfR), Serum

Evaluation of suspected iron deficiency in patients who may have inflammation, infection, or chronic disease and other conditions in which ferritin concentration does not correlate with iron status, including: -Cystic fibrosis patients who...

SABP - Overview: Streptococcal Antibodies Profile, Serum

Demonstration of acute or recent streptococcal infection using both antistreptolysin O and anti-DNase B titers

PINS - Overview: Proinsulin, Plasma

As part of the diagnostic workup of suspected insulinoma As part of the diagnostic workup of patients with suspected prohormone convertase 1/3 deficiency As part of the diagnostic workup of patients with suspected proinsulin variations

GFATC - Overview: Glial Fibrillary Acidic Protein Alpha Subunit Antibody, Immunofluorescence Titer Assay, Spinal Fluid

Reporting an end titer result in spinal fluid specimens Distinguishing, in spinal fluid, autoimmune GFAP astrocytopathy from infectious meningoencephalitis and idiopathic inflammatory central nervous system (CNS) disorders such as multiple...

PNRP - Overview: Pneumocystis jiroveci, Molecular Detection, PCR, Varies

Preferred test for detection of Pneumocystis

SGSU - Overview: Synthetic Glucocorticoid Screen, Random, Urine

Confirming the presence of the listed synthetic glucocorticoids Confirming the cause of secondary adrenal insufficiency

PLHBB - Overview: Plasma Free Hemoglobin, Plasma

Determining whether hemolysis is occurring such as from: -Transfusion reaction -Mechanical fragmentation of red blood cells -Relative comparison to baseline levels in extracorporeal membrane oxygenation and centrifugal ventricular assist...

IA2 - Overview: Islet Antigen 2 (IA-2) Antibody, Serum

Clinical distinction of type 1 from type 2 diabetes mellitus Identification of individuals at risk of type 1 diabetes (including high-risk relatives of patients with diabetes) Prediction of future need for insulin treatment in...

MCRPL - Overview: Macroprolactin, Serum

Determining biologically active levels of prolactin, in asymptomatic patients with elevated prolactin levels Ruling out the presence of macroprolactin

CEAPC - Overview: Carcinoembryonic Antigen (CEA), Pancreatic Cyst Fluid

When used in conjunction with imaging studies, cytology, and other pancreatic cyst fluid tumor markers: -Distinguishing between mucinous and nonmucinous pancreatic cysts -Determining the likely type of malignant pancreatic cyst