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LABORATORY TEST DIRECTORY

Thanatophoric Dysplasia, Types 1 and 2 (FGFR3) 13 Mutations, Fetal

CPT Code(s): 81479; Fetal Cell Contamination (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.Maternal Specimen: 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. Backup cultures must be retained at the client's institution until testing is complete. Maternal Specimen: Transport 3 mL whole blood.
Storage/Transport Temperature:Cultured amniocytes: CRITICAL ROOM TEMPERATURE. Must be received within 48 hours of shipment due to lability of cells. Maternal Specimen: Room temperature. Ship with the fetal specimen.
Stability:Fetal: Ambient: 48 hours; Refrigerated: Unacceptable; Frozen: Unacceptable Maternal: Ambient: 72 hours; Refrigerated: 1 week; Frozen: Unacceptable
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • Fetal Thanatophoric dysplasia fetal mutation assayFGFR3 fetal mutation assayTD (Thanatophoric Dysplasia, Types 1 & 2 (FGFR3) 13 Mutations, Fetal)