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HelpTest Code Li LITHIUM
Patient Preparation
No special preparation required
Collection Method
Venous collection
Minimum Volume
|
Adults |
1.0 mL |
|
Pediatric |
0.5 mL |
Container
Lt Green / Plasma Separator / Lithium Heparin
Preferred Specimen
Light Green Top (lithium heparin) plasma
Acceptable Specimen(s)
Serum:
-Gold Top SST
-Red Top
Plasma:
-Lt Green top (lithium heparin)
Reference or Target Ranges
|
Therapeutic |
1.00 – 1.20 mmol/L |
Reportable Units
mmol/L
Critical Value
> 1.50 mmol/L
Reasons for Rejection
|
Hemolysis Threshold: |
375 - 750 mg/dL |
|
Icterus Threshold: |
40 mg/dL (unconjugated) |
|
|
40 mg/dL (conjugated) |
|
Lipemia Threshold: |
500 mg/dL |
|
Other: |
QNS, contaminated, improperly labeled, improper specimen type |
Specimen Stability
|
Ambient |
24 Hours |
|
Refrigerated |
7 Days |
|
Frozen |
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 |
CRMC Chemistry |
|
Methodology/Method Description |
Atellica |
Additional Information / Important Notes
Peak levels occur 2-4 hours after an oral dose. The half-life in serum in 48-72 hours and it is cleared through the kidneys. Reducted renal function can prolong clearance time.
Methodology/Method Description
Atellica CH Analyzer
CPT Codes
80178