SP100 - Overview: SP100 Antibody, IgG, Serum

Evaluating the risk of primary biliary cholangitis in anti-mitochondrial antibody (AMA) negative patients by identification of Sp100 antibodies Estimating risk in AMA-positive patients with incomplete feature of disease

PMMIL - Overview: Phosphomannomutase and Phosphomannose Isomerase, Leukocytes

Diagnosing congenital disorders of glycosylation Ia (phosphomannomutase-2 deficiency: PMM2-CDG) and Ib (phosphomannose isomerase deficiency: MPI-CDG) as measured in leukocytes Follow-up testing for patients with an abnormal type I CDG...

3MT - Overview: 3-Methoxytyramine, 24 Hour, Urine

A first- and second-tier screening test for the presumptive diagnosis of catecholamine-secreting pheochromocytomas and paragangliomas Testing in conjunction or as an alternative to plasma metanephrines (PMET / Metanephrines, Fractionated,...

CRUO - Overview: Chromium Occupational Exposure, Random, Urine

Screening for occupational exposure

METR1 - Overview: Cytochrome b5 Reductase Enzyme Activity, Blood

Evaluation of patients with cyanosis Confirming cases of suspected cytochrome b5 reductase (methemoglobin reductase) deficiency Functional studies in families with cytochrome b5 reductase deficiency

CHLE - Overview: Cholesteryl Esters, Serum

Establishing a diagnosis of lecithin-cholesterol acyltransferase deficiency Evaluating the extent of metabolic disturbance by bile stasis or liver disease

IL1B - Overview: Interleukin-1 Beta, Plasma

Measuring the concentration of interleukin-1 beta in plasma Evaluating patients experiencing inflammatory conditions, autoinflammatory disorders, and infection

MG_F - Overview: Magnesium, Feces

Workup of cases of chronic diarrhea Identifying the use of magnesium-containing laxatives contributing to osmotic diarrhea

SORBU - Overview: Sorbitol and Mannitol, Quantitative, Random, Urine

Monitoring effectiveness of treatment in patients with phosphomannomutase 2 deficiency (PMM2-CDG) Establishing a baseline level prior to initiating treatment for PMM2-CDG This test is not useful for diagnosing congenital disorders of...

TLB - Overview: Thallium, Blood

Detecting toxic exposure in whole blood specimens