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HelpLithium, Serum
Performing Lab(s)
Memorial-Belleville only
Specimen Requirement (s)
7 mL SSTRecommended Draw time: Trough- before next dose or at least 12 hours following last dose.1 mL serum.
Day(s)/Shift(s) Test Set Up and Turnaround Time
Sunday through Saturday
Hours: 24 hours
Turnaround Time:
STAT: 60 minutes
Routine: less than 8 hours from receipt.
Transport and Stability
Transport temperature: Ambient to lab
Analyte Stability:
Ambient: 24 hours
Refrigerated: 7 days
Frozen: 6 months
Reference Values
0.6 - 1.2 mmol/L
Critical High: ≥ 1.50 mmol/L
CPT/LOINC Codes
80178
Interpretive Data
Interpretive Data
Acute: 1.00-1.50 mmol/L
Maintenance: 0.50-1.30 mmol/L
Current interpretive data was last revised on 9/9/2020.