Test Details
Methodology
Immunoassay (IA)
Result Turnaround Time
3 - 5 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
This test is used to detect the presence of caffeine.
Specimen Requirements
Specimen
Urine (random)
Volume
10 mL
Minimum Volume
0.5 mL
Container
Plastic urine container without preservative
Stability Requirements
| Temperature | Period |
| Room Temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |
Storage Instructions
Room temperature is acceptable for shipping and/or short-term storage (three days); specimen may also be refrigerated or frozen.
The storage instructions reflect optimal storage conditions for samples that have a typical pathway through preanalytical steps. Stability information is provided to inform decisions for samples that do not follow typical pathways, such as add-on testing days after collection.
Causes for Rejection
Urine in preservative tube
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 791746 | Caffeine, Urinary | 3424-9 | 791747 | Urine Caffeine | ug/ml | 3424-9 |
| Order Code | 791746 | |||||
| Order Code Name | Caffeine, Urinary | |||||
| Order Loinc | 3424-9 | |||||
| Result Code | 791747 | |||||
| Result Code Name | Urine Caffeine | |||||
| UofM | ug/ml | |||||
| Result LOINC | 3424-9 |