CPR - Overview: C-Peptide, Serum
Diagnostic workup of hypoglycemia: -Diagnosis of factitious hypoglycemia due to surreptitious administration of insulin -Evaluation of possible insulinoma -Surrogate measure for the absence or presence of physiological suppressibility of...
2C9QT - Overview: Cytochrome P450 2C9 Genotype, Varies
Identifying individuals who may be at risk for altered metabolism of drugs that are modified by cytochrome P450 2C9
Confirmation of a clinical diagnosis of Duchenne muscular dystrophy (DMD) or Becker muscular dystrophy (BMD) Distinguishing DMD from BMD in some cases, based on the type of deletion detected (allows for better prediction of...
BGA - Overview: Beta-Galactosidase, Leukocytes
Aiding in the diagnosis of GM1 gangliosidosis, Morquio B disease, and galactosialidosis This test is not suitable for carrier detection.
MCADZ - Overview: Medium-Chain Acyl-CoA Dehydrogenase (MCAD) Deficiency Full Gene Analysis, Varies
Confirmation of diagnosis of medium-chain acyl-CoA dehydrogenase (MCAD) deficiency (as a follow-up to biochemical analyses) Screening of at-risk carriers of MCAD deficiency when an affected relative has not had molecular testing Diagnosis...
EPOR - Overview: Erythropoietin Receptor (EPOR) Gene, Exon 8 Sequencing, Whole Blood
Assessing EPOR in the evaluation of an individual with JAK2-negative erythrocytosis associated with lifelong sustained increased red blood cell (RBC) mass, elevated RBC count, hemoglobin, or hematocrit
XHIM - Overview: X-Linked Hyper IgM Syndrome, Blood
Screening for X-linked hyper-IgM (XL-HIGM) or CD40L deficiency, primarily in male patients younger than 10 years Ascertaining XL-HIGM carrier status in women of child-bearing age (younger than 45 years)
C9ORF - Overview: C9orf72 Hexanucleotide Repeat, Molecular Analysis, Varies
Molecular confirmation of clinically suspected cases of c9FTD/ALS, frontotemporal dementia (FTD), or amyotrophic lateral sclerosis (ALS) Presymptomatic testing for individuals with a family history of c9FTD/ALS and a documented expansion...
TXMGP - Overview: Toxoplasma gondii Antibody, IgM and IgG, Serum
Determining whether a patient has had previous exposure to or recent infection with Toxoplasma gondii IgG is not useful for diagnosing infection in infants younger than 6 months of age. IgG antibodies in this age group usually are the...
ARSBB - Overview: Arylsulfatase B, Blood Spot
Supporting the biochemical diagnosis of mucopolysaccharidosis type VI (MPS VI, Maroteaux-Lamy syndrome) This test is not useful for carrier detection for MPS VI