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Paediatric Laboratory Medicine

Prenatal Testing

Test Name

Prenatal Testing

Division

Molecular Genetics

Method

Sequencing and/or gene dosage analysis of one or multiple known familial mutations, maternal cell contamination studies

External Proficiency Testing

CAP

Turn Around Time

2 weeks (Prenatal samples), 2-3 weeks (Pregnancy/Urgent samples), 4-6 weeks (Routine)

Disease/Condition

Prenatal Testing

Specimen Type

  • Amniotic Fluid
  • Cultured Amniocytes
  • Chorionic Villi

For details about specimen requirements, please refer to: Specimen Type & Requirements (PDF).

Minimum Specimen Requirements

10-20 cc. fluid; 1-2 T25 flask; 10-25 mg villi

Storage/Transportation

Room Temperature

Special Requirements

Special Instructions for Genome Diagnostics Samples

Keep a backup flask growing

Approval is not required

CPT Codes

81479

Shipping and Contact Information

The Hospital for Sick Children
Rapid Response Laboratory
170 Elizabeth Street, Room 3642
Toronto, ON
M5G 2G3
Canada
Phone: 416-813-7200
Phone: 1-855-381-3212

Interpretation

Interpretation is provided in report