NH3; NH4
Plasma
RCHSD Chemistry
LAB47
As received
1 Hour
1 Hour
0.6-1 mL Blood
Light Green (Lithium Heparin PST)
Plasma collected in an EDTA (lavender-top) tube is also acceptable. Place tube on ice immediately after collection. Satellite locations must send patient to RCHSD for draw. If physician requests "Free-Flowing" draw without tourniquet.
On Ice
Room Temp=8 Hours; Refrigerated=14 Days; Frozen=1 Month
Serum; Hemolysis
0.5 mL Plasma
0.3 mL plasma
Centrifuge and separate plasma within 15 minutes of collection. Deliver directly to Chemistry.
82140
07-07-21
DM