Evaluating for chronic inflammatory demyelinating polyradiculoneuropathy (CIDP) and related demyelinating peripheral neuropathies
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...
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
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
HFET - Overview: Hereditary Hemochromatosis, HFE Variant Analysis, Varies
Establishing or confirming the clinical diagnosis of hereditary hemochromatosis (HH) in adults Testing of individuals with increased transferrin-iron saturation in serum and serum ferritin Predictive testing of individuals who have a...
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...
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...
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)
Screening for infection with high-risk human papillomavirus (HPV) associated with the development of cervical cancer Individual genotyping of HPV-16 and/or HPV-18 if present This testing is intended for use in clinical monitoring and...