Specimen Type
Serum and Whole Blood
Performing Lab
Quest Diagnostics Valencia
Epic ID
Other Reference Test
Lab Test Days
Tuesday-Saturday
Standard TAT
1-3 Days
Collection Information
Specimen Required
(one) 3 mL Blood collected in a no additive (royal blue-top) tube ***and*** 2 mL Whole Blood collected in an EDTA trace metal free (royal blue-top) tube
Collection Instructions
Overnight fasting is required. Refrain from taking vitamins or mineral supplements 3 days before specimen collection and from eating legumes and leafy vegetables 2 days before specimen collection. Patient should be 18 years of age or greater. Chromium: Draw one (royal blue-top) tube of blood and discard. Draw second royal-blue top tube.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-ONLY
Specimen Stability
Room Temp: Unacceptable; Refrigerated: 21 Days for Serum (5 Days for Whole Blood); Frozen: Unacceptable
Rejection Criteria
Hemolysis; Submitted in non-trace metal-free or non-acid-washed container; Serum or plasma not separated from cells; Received room temp; Whole blood received frozen
Test Volume Required
(one) 3 mL Blood collected in a no additive (royal blue-top) tube ***and*** 2 mL Whole Blood collected in an EDTA trace metal free (royal blue-top) tube
Minimum Test Volume
(one) 3 mL Blood collected in a no additive (royal blue-top) tube ***and*** 2 mL Whole Blood collected in an EDTA trace metal free (royal blue-top) tube
Processing Instructions
Requires TSO form. Allow to clot in an upright position. Centrifuge and pour (do not pipette) the serum into a metal-free tube. Separate serum from cells within 1 hour of collection. Clearly label specimens either serum or plasma.
Comments
TSO form required. Valencia TC: 10235.
CPT Codes
82310, 824495, 82525, 83540, 83785, 83018, 84255, 84630
Revised
6/18/24
Initials
SA