PHENYTOIN, FREE (UNBOUND) BLOOD (FPH)
: 0-150 yrs: 0.8 - 2.0 mcg/mL
: Dark green top (Sodium Heparin)
: Red top (no gel)
: 2 dark green top microtainers
: 5 mL blood, 2 mL serum
: 2 mL serum
: Refrigerated if not delivered to the lab immediately
: Refrigerated: 2 days, frozen at -20 C for longer storage
Reasons for Rejection
: Hemolysis, low volume
: Stat: 1.5 hours, routine: 2.5 hours
: Draw immediately before next dose. Refrigerate if not delivered immediately.
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