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We perform medical diagnostic tests and efficiently provide accurate results that help your physician screen for, diagnose, and manage the treatment of health problems.

LABORATORY TEST DIRECTORY

Beta Globin (HBB) Sequencing, Fetal

CPT Code(s): 81404; Fetal Cell Contamintaion (FCC) 81265
Specimen Required: Patient Preparation:
Collect:Fetal Specimen: Two T-25 flasks at 80% confluent of cultured amniocytes. If the client is unable to culture amniocytes, this can be arranged by contacting RDL Client Services at (888) 431-7474. Or amniotic fluid.AND Maternal Cell Contamination Specimen: Lavender (EDTA), pink (K2EDTA), or yellow (ACD Solution A or B).OR Whole Blood in lavender (EDTA), pink (K2EDTA), or yellow (ACD Solution A or B).
Specimen Preparation:Cultured Amniocytes: Fill flasks with culture media. Transport two T-25 flasks at 80% confluent of cultured amniocytes filled with culture media. Backup cultures must be retained at the client's institution until testing is complete.OR Amniotic Fluid: Transport 10 mL unspun fluid. (Min: 5 mL)AND Maternal Cell Contamination Specimen: Transport 3 mL whole blood (Min: 1 mL)OR Whole Blood: Transport 3 mL whole blood (Min: 1 mL)
Storage/Transport Temperature:Cultured Amniocytes: CRITICAL ROOM TEMPERATURE. Must be received within 48 hours of shipment due to liability of cells. Amniotic fluid: Room temperature. Whole Blood or Maternal Cell Contamination Specimen: Room temperature.
Stability:Fetal Specimen: Ambient: 48 hours; Refrigerated: Unacceptable; Frozen: Unacceptable Whole Blood or Maternal Cell contamination Specimen: Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • Carrier testing Beta thalassemia
  • Fetal HBB mutation testing