Lithium
Test Mnemonic
LI
CPT Codes
- 80178 - QTY (1)
LOINC ®
14334-7
Performing Laboratory
Cleveland Clinic Laboratories
FDA Category
In Vitro Diagnostic
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Centrifuge and refrigerate. | Specimen should be separated from cells within 4 hours. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Plasma | Sodium heparin (Green) | Refrigerated | If collected in a non-gel separator tube: Centrifuge and transfer plasma to a CCL tube and refrigerate. Specimen should be separated from cells within 4 hours. | |
| 1 mL | Plasma | EDTA (Lavender) | Refrigerated | If collected in a non-gel separator tube: Centrifuge and transfer plasma to a CCL tube and refrigerate. Specimen should be separated from cells within 4 hours. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells: 1 day |
| Refrigerated | After separation from cells: 7 days |
| Frozen | After separation from cells: 6 months |
Days Performed
Sun - Sat
Turnaround Time
8 hours
Methodology
| Name | Description |
|---|---|
| Colorimetry |
Reference Range
| Lithium | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | 0.6 - 1.2 | mmol/L | Years | 99 Years | Urgent | > 2.0 | mmol/L |
Special Info
Draw immediately before next dose or at least 12 hours after dosing.
Clinical Info
Monitor therapeutic administration of lithium.