CMH Lab Section
0.5 mL blood in pre-chilled heparin green tube
STAT, Urgent, Routine
Turn Around Time
STAT: 1 hour
Routine 2-4 hours
Deliver specimen to the lab on ice immediately.
Specimens not placed on ice MUST be spun within 15-minutes of collection.
Specimens placed on ice MUST be spun within 1-hour of collection.
Separate and freeze plasma if not tested immediately.
0-2wks: 15-92 umol/L
Critical: >200 umol/L