Test Details
Methodology
Inductively coupled plasma/mass spectrometry (ICP/MS)
Result Turnaround Time
3 - 7 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Use
Therapeutic drug management
Specimen Requirements
Specimen
Urine (random)
Volume
10 mL
Minimum Volume
0.5 mL
Container
Metal-free plastic urine container or metal-free transfer tube
Collection Instructions
Use metal-free or acid washed containers for collection; transfer an aliquot of urine to a metal-free transfer tube
Reference Range
Expected range during chronic lithium therapy: 10−40 mEq/L
Storage Instructions
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection
Use of non−metal-free collection containers or tubes
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 809523 | Lithium, Urine | 25463-1 | 809524 | Lithium, Urine | mEq/l | 25463-1 |
| Order Code | 809523 | |||||
| Order Code Name | Lithium, Urine | |||||
| Order Loinc | 25463-1 | |||||
| Result Code | 809524 | |||||
| Result Code Name | Lithium, Urine | |||||
| UofM | mEq/l | |||||
| Result LOINC | 25463-1 |