Laboratory Test Detail

Last Updated: May 22, 2024 @ 9:13 am



  • One Red Top

Also Acceptable:
  • One Lavender (EDTA)
  • One Pink Top (EDTA)
  • 1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.

Also Acceptable:
  • 1 mL (Min:0.5 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling:
  • Allow specimen to clot completely at room temperature
  • Avoid Repeated Freeze/Thaw Cycles
  • State Patient's Last Dose
  • Recommend collection of specimen 10-12 hours post dose or peak 2-4 hours after oral dose.
    Separate from cells within 4 hours.
    State patient's last dose in hours.
Rejection Criteria:
  • Grossly Hemolyzed Samples
  • Use of separator gel tubes.
Stability:Ambient: 4 Hour(s); Refrigerated: 1 Week(s); Frozen: 12 Month(s); Incubated: Unacceptable
  • Enzyme Immunoassay (EIA)
  • Spectrophotometric
Reported:1-2 Day(s)
CPT Codes:
  • 80178
Interpretive Data:Please see report for interpretive data.
Lithium at levels greater than 1.5 mmol/L 12 hours after dose is potentially toxic.
  • 2720 - LITHIUM
  • 2926 - LAST DOSE
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