Lithium

Tube Type

Test ID   LAB29
EPIC Order
  LITHIUM LEVEL
CPT Code(s)   80178
Group/Individual Test   Individual
Laboratory   Core Laboratory
Tube Station   Routine 30; STAT 888
Specimen Routine: 1 mL blood/royal blue top or plain red top (no gel); see Comments
  micro: 200 µL blood/red top bullet only (no gel)
Stability
Unspun: 24 hours
Spun/Separated, Room temperature: 24 hours
Spun/Separated, Refrigerator: 7 days
Spun/Separated, Frozen: 6 months
Availability Routine: 24 Hours/Day
  STAT: YES 
Turnaround Time   STAT 1hr; Routine 2 hrs
Reference Range Therapeutic: 0.5-1.2 mmol/L
  Critical: >1.5 mmol/L
Comments Samples for lithium therapeutic monitoring should be collected at least 12 hours after dosing.  Concentrations at 24 hours are good indicators of maintenance doses.

Reviewed by jcayless on January 06, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514