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General Specimen Requirements

Three types of specimens are acceptable:

1) Blood Samples

Container: Purple top EDTA tube (preferred) or yellow top citric acetate tube.
Amount: Adult 2-5 cc, pediatric 1 cc minimum.
Storage: 2-8°C, do not freeze.
Shipment: Room temperature for overnight or two-day delivery.

2) Genomic DNA

Container: Screw-cap, sterile plastic tube.
Amount: 5 µg of DNA in TLE (10mM Tris-Cl pH 8.0, 0.1mM EDTA); prefer 200 µl at ~100 ng/µl conc. Please indicate concentration on label.
Storage: -20°C.
Shipment: Ship frozen on dry ice if possible, or on wet ice if necessary.

3) Buccal (cheek) swabs

Swab: Puritan HydraFlock® Flocked Swab, Standard Tip
Procedure: Swab inside of cheek with tip for 1 minute. Break off tip into 2 ml plastic, screw-top tube. Repeat with other cheek.
Amount: Two swabs per individual, one from each cheek.
Storage: 2-8°C, do not freeze.
Shipment: Room temperature for two-day delivery.

Shipping Instructions

  • Shipment via express carrier (such as FedEx, UPS or DHL) is recommended. In addition to being faster, express carriers permit tracking
  • Please label all specimen containers with patient name, date of birth and/or ID number.
  • We accept specimen deliveries Monday-Saturday for all specimen types. Please notify us at least one day in advance that specimens will be shipped.
  • All specimens should be appropriately packaged to avoid crushing, breakage or leakage and inserted in the commercial packaging available from your selected express carrier.
  • Requisition Forms MUST accompany all specimens. If specimens for more than one individual are being shipped, please make sure that each specimen and Requisition Form is clearly marked with the patient's name
  • Please ship all orders and specimens to:
    Retrogen, Inc.
    6645 Nancy Ridge Drive
    San Diego, CA 92121
    1-800-RETROGEN
    http://www.retrogen.com/