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HelpTest Code LITH Lithium, Serum
Additional Codes
LAB29
Important notes
Lithium, Serum test is for medical use only.
Collection Method
Venous collection
Minimum Volume
0.5ml
Container
Gold Top / Serum Separator / Additive Free
Acceptable Specimens
Serum:
- Gold Top SST
- Red Top
Reference or Target Ranges
0.6 - 1.2 mmol/L
Peak: 2 - 4 hours post oral dose
Trough: 12 hours post oral dose
Reportable Units
mmol/L
Critical Value
≥ 2.0 mmol/L
Reasons for Rejection
| Hemolysis Threshold | 1000 mg/dL |
| Icterus Threshold | 43 mg/dL |
| Lipemia Threshold | 2000 mg/dL |
| Other | QNS, contaminated, improperly Labeled, improper specimen type |
Specimen Stability
| Ambient | 24 hours |
| Refrigerated (4°C to 8°C) | 7 days |
| Frozen(-40°C to 0°C) | 6 months |
Performance Information
| Days and Time Performed | 24/7 |
| Expected Turn Around Time |
Stat: 1 hour Routine: 4 hours |
| Stat Availability | Yes |
| Performing Bench | CPH Chemistry |
| Methodology/Method Description | Roche Cobas |
CPT Codes
80178
Last review/edit date
2025