Bloodworks Northwest Laboratories

Donor Testing-Quality Control Laboratory

Minimum Sample Requirement

Test	Maximum Sample Age (Stored at 2-8°C)	Acceptable Sample Type
Test	Maximum Sample Age (Stored at 2-8°C)	WB	Serum	Serum	Plasma	Comments
Donor Battery	5 days	*				*6 or 7 mL clot and two 6 or 7 mL EDTA tubes
Recipient/Patient Battery	7 days	6 mL	3 mL	Y	Y¹	¹Plasma acceptable for PRISM, and for STS for up to 48 hours.
HBsAg	14 days	4 mL	2 mL	Y	Y
a-HBc	14 days	2 mL	1 mL	Y	Y
a-HIV-1/-2	14 days	2 mL	1 mL	Y	Y
a-HTLV-I/-II	14 days	2 mL	1 mL	Y	Y
a-HCV	14 days	2 mL	1 mL	Y	Y
a-CMV	7 days	2 mL	1 mL	Y	Y
STS	5 days	1 mL	0.5 mL	Y	See Comments²	²EDTA acceptable up to 48 hours. Serum is required for confirmatory testing or when >48 hours since collection.
Chagas	10 days	1 mL	0.5 mL	Y	Y
HCV-HIV-HBV NAT (Living Donor)	5 days³	6 mL	NA	N	Y	³EDTA acceptable for only 2 days if stored between 8 and 25°C PPT acceptable for only 3 days if stored between 8 and 30°C
HCV-HIV-HBV NAT (Cadaveric Donor)	2 days⁴	6 mL	3 mL	Y	Y	⁴Separated plasma or serum acceptable for additional 8 days if stored at 2-8°C Gel separated plasma in PPT acceptable for additional 8 days if stored at 2-8°C
WNV NAT (Living Donor)	5 days⁵	6 mL	NA	N	Y	⁵EDTA acceptable for only 3 days if stored between 8 and 25°C
WNV NAT (Cadaveric Donor)	1 day⁶	6 mL	3 mL	Y	Y	⁶EDTA acceptable for only 1 day if stored between 8 and 25°C Separated plasma or (serum) acceptable for additional 7 or (3) days if stored at 2-8°C
ZIKA NAT	5 days7	6 mL	NA	N	Y	^{7EDTA or PPT acceptable for only 3 days if stored between 8 and 25°C}
EBV VCA	2 days	NA	0.5 mL	Y	N	Serum only
EBV NA	2 days	NA	0.5 mL	Y	N	Serum only
Toxoplasma	2 days	NA	0.5 mL	Y	N	Serum only
HBsAg Confirmatory	14 days	3 mL	1.5 mL	Y	Y
a-HIV-1/-2 Confirmatory	7 days	4 mL	2 mL	Y	Y
a-HTLV-I/-II Confirmatory	14 days	4 mL	2 mL	Y	Y
a-HCV Alternate Assay	10 days	2 mL	1 mL	Y	Y

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