Resources
| Web: | mayocliniclabs.com |
|---|---|
| Email: | mcl@mayo.edu |
| Telephone: | 800-533-1710 |
| International: | +1 855-379-3115 |
| Values are valid only on day of printing. | |
Test ID: OPTU
Orthostatic Protein, Timed Collection, Urine
Specimen Type
Describes the specimen type validated for testing
Ordering Guidance
This collection process requires 2 separate urine collections within a 24-hour period.
Collect specimen per instructions inOrthostatic Protein Measurement 24-Hour Urine: Collection Site Instructions(T546) in Special Instructions.
Necessary Information
This collection process requires 2 separate urine collections within a 24-hour period.
-Submit start and end times for collection and 16-hour volume (required).
-Submit start and end times for collection and 8-hour volume (required).
Specimen RequiredDefines the optimal specimen required to perform the test and the preferred volume to complete testing
Specimens should be collected before fluorescein is given or not collected until at least 24 hour later.
Supplies:2 Aliquot Tube, 5 mL (T465)
Daytime Collection
Container/Tube:Plastic, 5-mL tube
Specimen Volume:4 mL
Collection Instructions:
1. Collect a 16-hour (daytime) urine specimen.
2. No preservative.
3. Invert well before taking 4-mL aliquot.
4. Do not over fill aliquot tube 4 mL at most.
5.Collect specimen per instructions inOrthostatic Protein Measurement 24-Hour Urine: Collection Site Instructions(T546) in Special Instructions.
Nighttime (Supine) Collection
Container/Tube:Plastic, 5-mL tube
Specimen Volume:4 mL
Collection Instructions:
1. Collect an 8-hour (nighttime) urine specimen.
2. No preservative.
3. Invert well before taking 4-mL aliquot at most.
Special InstructionsLibrary of PDFs including pertinent information and forms related to the test
Forms
1.Orthostatic Protein Measurement 24-Hour Urine: Patient Collection Instructionsin Special Instructions
2. If not ordering electronically, complete, print, and send aRenal Diagnostics Test Request(T830) with the specimen.
Specimen Minimum VolumeDefines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory
Reject Due ToIdentifies specimen types and conditions that may cause the specimen to be rejected
| All specimens will be evaluated at Mayo Clinic Laboratories for test suitability. |
Specimen Stability InformationProvides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 30 days | ||
| Ambient | 24 hours |