HQ - Overview: HemoQuant, Feces

Detection of blood in feces Evaluation of iron deficiency Detection of bleeding as a complication of anticoagulant therapy and other medication regimens This test is not specific for bowel cancer.

MPHNU - Overview: Methylphenidate and Metabolite, Random, Urine

Monitoring urine methylphenidate and ritalinic acid concentrations to assess compliance in patients

OXCO1 - Overview: Oxalate, Random, Urine

Monitoring therapy for kidney stones Identifying increased urinary oxalate as a risk factor for stone formation Diagnosis of primary or secondary hyperoxaluria

MA2EC - Overview: Ma2 Antibody, ELISA, Spinal Fluid

Evaluating patients with suspected paraneoplastic encephalitides using spinal fluid specimens

MA2ES - Overview: Ma2 Antibody by ELISA, Serum

Evaluating patients with suspected paraneoplastic encephalitides using serum specimens

HPP - Overview: Pancreatic Polypeptide, Plasma

Detecting pancreatic endocrine tumors Assessing vagal nerve function after meal or sham feeding

PFKC - Overview: Phosphofructokinase Enzyme Activity, Blood

Evaluation of individuals with Coombs-negative nonspherocytic hemolytic anemia Evaluation of individuals with exercise intolerance or myopathy Genetic studies in families with phosphofructokinase deficiency

NAU - Overview: Sodium, 24 Hour, Urine

Assessing acid-base balance, water balance, water intoxication, and dehydration

SDLDL - Overview: Small Dense Low Density Lipoprotein Cholesterol, Serum

Aiding in risk management of lipoprotein disorders associated with cardiovascular disease when used in conjunction with other lipid measurements and clinical evaluation

CSP53 - Overview: TP53 Gene Somatic Mutation Pre-Analysis Cell Sorting, Varies

Determination of B-cell content and confirmation the presence of a clonal B-cell population evaluating chronic lymphocytic leukemia patients prior to TP53 variant analysis