Lithium Level
Additional Codes
LAB29
Performing Laboratory
MBMC Main Laboratory
Methodology
Colorimetric
Specimen Requirements
Specimen Type: Serum
Container/Tube: Red top
Specimen Volume: Full tube
Collection Instructions: Draw blood in the a.m., 10 to 12 hours after the most recent dose.
Specimen Transport Temperature
Ambient
Day(s) Test Set Up
Monday through Sunday
Turnaround Time:
STAT: 1 hour after receipt in laboratory
Routine: within 4 hours
Reference Values
Therapeutic concentration: 0.6-1.2 mmol/L
Toxic and/or lethal concentration: >2.5 mmol/L
Critical value (automatic call-back): >1.5 mmol/L
Test Classification and CPT Coding
Test Classification:
This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer’s instructions.
CPT Code:
80178
Stability
5 days Refrigerated