Lithium : 613

Test Code
LIAU or 613

CPT Codes

Collect just prior to next dose.

Transport Container
Preferred Specimen
2 mL serum

Alternative Specimens
Serum separator (gel barrier) tubes; EDTA plasma; No lithium containing anticoagulants

Minimum Volume
0.5 mL

Transport Temperature
Room temperature.

Specimen Stability
Room temperature: 10 days; Refrigerated: 10 days; Frozen: Not established

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Plasma from lithium-based anticoagulants


Setup Schedule
Sunday - Saturday

Report Available
1 day

Reference Range
0.6-1.2 nmol/L

Clinical Significance
Lithium is used to treat manic-depressive disorders and the manic phase of affective disorders, including mania. The therapeutic window is relatively small. Therapeutic drug monitoring is useful to optimize dose and avoid toxicity.

Performing Laboratory
med fusion

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.