Genomics Testing Laboratory

Bleeding Disorders Ordering Information

Testing is requested via a Request for Testing Bleeding Disorders Laboratory form. Form must be fully completed to avoid delay in testing.  Bloodworks can no longer offer to bill to patients directly or to the patient’s insurance. For questions contact the laboratory manager.

Sample Requirements

• Minimum of 3cc whole blood drawn in EDTA (lavender top tubes).
• Fetal cell genotyping:
  • Requires cultured amniocytes in two T-25 flasks grown to confluency. (amniotic fluid not acceptable).
  • For shipping, the cultured cells should have media added to the flasks and sealed to avoid leakage.
  • We do not provide laboratory services to culture the amniocytes.
• All samples must include a completed Request for Testing form (RFT) please see under Quick Links for appropriate form.
• All samples should arrive for testing at the lab within 72 hours.
• Please ship according to federal shipping guidelines:
  • Whole blood preferably with “cool pack”
  • Cultured amniocytes at room temperature
• Cultured amniocytes arriving after 1pm on Friday are not acceptable.

Labeling Samples

All samples must be properly labeled and information must agree with the identification on the RFT:

• If a sample is identified by name, there must also be a numeric identifier which could include hospital number or other coded identifier.
• A draw date needs to be on the sample label and also on the RFT

Submission and Transportation:

Send sample(s) together with RFT to:

Bloodworks
Attn: Bleeding Disorders Lab
921 Terry Ave
Seattle, WA  98104
Lab # (206) 568-2184

Turn Around Time

• Known variants can be reported out within 5 business days of receipt of sample(s).
• Structural variants and evaluations may take up to 4-8 weeks.
• Reports are faxed to the institution. Fax number must be provided.