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HelpOrderable Name FLNZ Olanzapine (Zyprexa)
Additional Codes
CNE Order Code: Olanzapine Level
Specimen Type
VariesSpecimen Required
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and send 2 mL sodium heparin plasma refrigerated in a plastic vial.
Serum
Draw blood in a plain red-top tube(s), serum gel tube is not acceptable. Spin down and send 2 mL of serum refrigerated in a plastic vial.
Specimen Minimum Volume
0.50 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Varies | Refrigerated (preferred) | 14 days |
| Frozen | 180 days | |
| Ambient | 72 hours |
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Reference Values
Reference Range: 10.0 – 80.0 ng/mL
Expected steady state concentrations in patients on recommended daily dosages:
10 – 80.0 ng/mL
Plasma concentrations of olanzapine greater than 9.0 ng/mL have been associated with therapeutic effect.
Toxic range has not been established.
Day(s) Performed
Monday through Sunday
CPT Code Information
80299
Report Available
7 to 11 daysMethod Name
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)