Monitor patient adherence and exposure.
Within 24 hours
Specimens are commonly drawn approximately 12 hours after last dose of lithium taken.
Clot Activator Tube, Plain Red, or Green (Sodium Heparin).
Allow specimen to clot completely at room temperature. Separate from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.2 mL)
Specimens collected in lithium heparin or sodium fluoride/potassium oxalate. Grossly hemolyzed specimens.
After separation from cells: Ambient: 24 hours; Refrigerated: 7 days; Frozen: 6 months
Therapeutic: 0.5-1.2 mmol/L
Toxic: 1.6 or greater mmol/L
|Component Test Code*||Component Chart Name||LOINC|
|0020038||Lithium, Serum or Plasma||14334-7|
- Li concentration