Test directory: Fragile X Test (Symptomatic/Family)

Ordering Code4126
Test NameFragile X Test (Symptomatic/Family)
AliasFragile X with Southern Blot
Martin-Bell Syndrome
Preferred SpecimenPostnatal: Whole Blood
Preferred ContainerEDTA, K2 (Lavender) or ACD-B (Yellow)
Other Specimen/ContainerPrenatal sample: Amniotic fluid culture
Optimum VolumeWhole Blood: 10 mL
Amniotic Fluid: Two T-25 flasks of confluent fetal cells
Handling InstructionsMaintain specimen at room temperature.
Transport RequirementsOahu: Ambient
Airline: Ambient
Specimen StabilityRefrigerated: Not Stable
Frozen: Not Stable
Whole Blood: 21 Days
Amniotic fluid: ASAP
Specimen should be submitted to laboratory ASAP
Rejection CriteriaFrozen, Hemolysis, Insufficient quantity
Avail. StatNO
Analytic Time14 Days (when culture is required, +20 days)
MethodologyPolymerase chain reaction (PCR) followed by capillary electrophoresis and Southern blot analysis
Reference Lab Esoterix Genetic Laboratories, LLC

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Fragile X TestALLSee report.