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XSENSE(R),FRAGILE X W/RFL

Test Number:
  • 1618
Test Alias:
  • Fragile X with Reflex
  • Fra (X)
  • Martin-Bell Syndrome
  • FMR1
  • FRAX
Preferred Specimen:
  • Whole blood
Container Type:
  • 2 EDTA/Lav or 2 ACD A or B or 2 Sod/Hep
Alternative Specimen:
Volume:
  • 5 mL
Collection Instructions:
  • This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, AZ, DE, FL, GA, MA, MN, NV, NH, NJ, NM, NY, OR, SD or VT or test is performed in MA. If Fragile X, PCR result is not Normal, or Gray zone, Fragile X, Southern Blot will be performed at an additional charge (CPT codes(s): 81244). COLLECTION INSTRUCTIONS: Whole blood: Normal phlebotomy procedure. Specimen stability is crucial. Store and ship room temperature immediately. Do not freeze. **This test is for New York patient testing.**
Transport Temperature:
  • Room temperature, Shipping refrigerated is acceptable
Specimen Stability:
  • Room temperature: 8 days
  • Refrigerated: 8 days
  • Frozen: Unacceptable
Methodology:
  • Polymerase Chain Reaction (PCR) with Detection by Capillary Electrophoresis
CPT Code:
  • 81243
Reject Criteria:
  • Gross hemolysis • Received frozen
Reference Range:
Report Available:
  • 7 days without reflex, 16 days with reflex

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