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Lithium Level
MessageChemistry
Test Code
LAB29
CPT Codes
80178
Includes
Lithium
Preferred Specimen
Gold top (serum separator tube)
Minimum Volume
Whole blood: 600 uL (TWO full red-top).
Serum: 300 uL
Serum: 300 uL
Other Acceptable Specimens
Red tube
Instructions
LAB: Separate specimen within 4 hours of collection.
Specimen Stability
Ambient: up to 8 hours.
Refrigerated: 24 hours.
Frozen: 6 months.
Freeze for longer storage if analysis is delayed beyond 24 hours
Refrigerated: 24 hours.
Frozen: 6 months.
Freeze for longer storage if analysis is delayed beyond 24 hours
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Lithium heparin plasma UNACCEPTABLE
Setup Schedule
Everyday
Report Available
Same day
Reference Range
Therapeutic: 0.6 - 1.2 mmol/L Toxic: Greater than 1.5 mmol/L Severly Toxic: Greater than 2.5
Performing Laboratory
Hoag Newport/ Hoag Irvine
