Test ID: EPU
Electrophoresis, Protein, Urine
Specimen Type 
Describes the specimen type needed for testing
Specimen Required Defines the optimal specimen. This field describes the type of specimen required to perform the test and the preferred volume to complete testing. The volume allows automated processing, fastest throughput and, when indicated, repeat or reflex testing.
Collection Container/Tube: Clean, plastic urine collection container
Submission Container/Tube: Plastic, 60-mL urine bottle
Specimen Volume: 50 mL
Collection Instructions:
1. Collect a 24-hour urine specimen.
2. No preservative.
Additional Information:
1. 24-Hour volume is required.
2. If a serum specimen on the same patient will also be submitted, order PEL/80085 Electrophoresis, Protein, Serum under a separate order.
3. See Urine Preservatives in Special Instructions for multiple collections. NOTE: The addition of preservative or application of temperature controls must occur within 4 hours of the collection.
Urine Preservative Collection Options
| Ambient | Yes |
| Refrigerated | Preferred |
| Frozen | Yes |
| 6N HCl | No |
| 50% Acetic Acid | No |
| Na2CO3 | No |
| Toluene | Yes |
| 6N HNO3 | No |
| Boric Acid | No |
| Thymol | Yes |
Specimen Minimum Volume Defines the amount of specimen required to perform an assay once, including instrument and container dead space. Submitting the minimum specimen volume makes it impossible to repeat the test or perform confirmatory or perform reflex testing. In some situations, a minimum specimen volume may result in a QNS (quantity not sufficient) result, requiring a second specimen to be collected.
Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the laboratory. Alternate acceptable temperature(s) are also included.
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 14 days |
| Frozen | 5 days | |
| Ambient | 72 hours |
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