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Item Value
Approval req'd? No
Available Stat? No
Test code GLGN
Performed by Quest
Sendout? Yes
Method Extraction, RIA
Patient Preparation Overnight fasting before specimen collection is required.
Collection Instructions Pre-chill tube before collection. Bring sample immediately to lab on ice.

To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Container type Lavender top (on ice)
Amount to Collect 6 mL blood
Sample type EDTA Plasma
Preferred volume 3 mL plasma
Min. Volume 1.1 mL plasma
UCSF Rejection Criteria Not delivered on ice
Processing notes Freeze plasma at -20°C. Order Quest # 519

For B&T patients, draw 7 mL blood into chilled EDTA (lavender-stopper) tube. Add 0.5 mL Trasylol (Aprotinin) (10,000 KIU/mL). Mix well, centrifuge, transfer plasma to specially labeled transport tube and freeze. Contact LabCorp's Supply Department for collection kit.
Units pg/mL
Normal range
Cord Blood ≤ 215 pg/mL
Day 1 ≤ 240 pg/mL
Day 2 ≤ 400 pg/mL
Day 3 ≤ 420 pg/mL
Days 4-14 ≤ 148 pg/mL
Adults ≤ 60 pg/mL
Stability Room temperature 1 week, refrigerated 1 week, frozen at -20C 4 weeks.
Turn around times Set up 2x per week. Turnaround time: 5-7 days.
CPT coding 82943-90
LOINC code 2338-2
Last Updated 12/19/2012 4:30:09 PM
Entry Number 422
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