RCTUR - Overview: Creatinine, Random, Urine

Calculation of creatinine clearance, a measure of renal function, when used in conjunction with serum creatinine Normalization of urinary analytes by creatinine concentration to account for the variation in urinary concentrations between...

CRE2 - Overview: Creatinine, Urine

Normalization of urinary analytes to account for the variation in urinary concentrations between individuals when using random urine collections

CITR2 - Overview: Citrate Concentration, Random, Urine

Diagnosing risk factors for patients with calcium kidney stones Monitoring results of therapy in patients with calcium stones or renal tubular acidosis

TP - Overview: Protein, Total, Serum

Diagnosis and treatment of a variety of diseases involving the liver, kidney, or bone marrow, as well as other metabolic or nutritional disorders

ADULT - Overview: Adulterants Survey, Random, Urine

Assessment of possible adulteration of a urine specimen submitted for drug of abuse testing Providing the creatinine concentration for normalization purposes

APBTC - Overview: Adaptor Protein 3 Beta2 (AP3B2) Antibody, Tissue Immunofluorescence Titer, Spinal Fluid

The differential diagnosis of patients presenting with mixed cerebellar and sensory ataxia and myeloneuropathy Reporting an end titer result from spinal fluid specimens

NCDTS - Overview: Neurochondrin Antibody, Tissue Immunofluorescence Titer, Serum

Detecting neurochondrin-IgG in serum from patients presenting with cerebellar and brainstem syndrome Reporting an end titer result from serum specimens

POU - Overview: Phosphorus, 24 Hour, Urine

Evaluation of hypo- or hyper-phosphatemic states Evaluation of patients with nephrolithiasis

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

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...