CCP - Overview: Cyclic Citrullinated Peptide Antibodies, IgG, Serum

Evaluating patients suspected of having rheumatoid arthritis (RA) Differentiating RA from other inflammatory arthritis or connective tissue diseases

PYR - Overview: Pyruvic Acid, Blood

Screening for possible disorders of mitochondrial metabolism, when used in conjunction with blood lactate collected at the same time, to determine the lactate-to-pyruvate ratio

ROPAN - Overview: Ro52 and Ro60 Antibodies, IgG, Serum

Evaluating patients at risk for connective tissue disease with or without interstitial lung disease Differentiation of antibodies to Ro52 and Ro60 in patients known to be positive for anti-SS-A (Ro) antibodies

BRCMG - Overview: Brucella Antibody Screen, IgM and IgG, ELISA, Serum

Evaluating patients with suspected brucellosis

EBVQN - Overview: Epstein-Barr Virus DNA Detection and Quantification, Plasma

Diagnosis of Epstein-Barr virus (EBV)-associated infectious mononucleosis in individuals with equivocal or discordant EBV serologic marker test results Diagnosis of post-transplant lymphoproliferative disorders (PTLD), especially in...

PPFWE - Overview: Protoporphyrins, Fractionation, Washed Erythrocytes

Preferred test for analysis of erythrocyte protoporphyrin fractions Preferred test for evaluating patients with possible diagnoses of erythropoietic protoporphyria and X-linked dominant protoporphyria Establishing a biochemical...

GALE - Overview: Uridine Diphosphate-Galactose 4' Epimerase, Blood

Diagnosis of uridine diphosphate-galactose 4' epimerase deficiency

TALDO - Overview: Polyols, Quantitative, Urine

Diagnosing deficiencies of transaldolase, transketolase, sedoheptulose, or ribose-5-phosphate isomerase

HGEMS - Overview: Hydroxyglutaric Acids, Glutaric Acid, Ethylmalonic Acid, and Methylsuccinic Acid, Serum

Evaluation of patients with an abnormal newborn screen showing elevations of glutarylcarnitine (C5-DC) using serum specimens Evaluation of patients with abnormal newborn screens showing elevations of C4- acylcarnitine to aid in the...

HGEMP - Overview: Hydroxyglutaric Acids, Glutaric Acid, Ethylmalonic Acid, and Methylsuccinic Acid, Plasma

Evaluation of patients with an abnormal newborn screen showing elevations of glutarylcarnitine (C5-DC) using plasma specimens Evaluation of patients with abnormal newborn screens showing elevations of C4- acylcarnitine to aid in the...