Protein Electrophoresis, Random Urine, Reflex to Urine Protein Immunofixation
| Abbrev Code: | RUELPR | ||
| Order Code: | LAB3723 | Order Name: | ELP Random UR Reflex UIEP |
| Synonyms: | Bence Jones Proteins; Electrophoresis, Urine; Globulins, Urine | ||
| Methodology: | Agarose gel electrophoresis | ||
| CPT Codes: | 84166 x1, 86335 x1 | ||
| Test Includes: | Urine albumin, alpha1, alpha2, beta and gamma globulin fractions. May reflex to urine immunofixation. | ||
| Turnaround Time: | Performed 3-5 times per week; results are reported the same day. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Urine, a first morning void is preferred |
| Optimal Volume: | Submit entire collection. |
| Container: | Plastic leakproof container, sterile |
Processing and Shipping
| Specimen Processing: | Do not aliquot. Submit entire collection; analysis requires 20 mL, 10 mL minimum. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | Specimen can be frozen once. |
| Test Performed at or Referral Lab | UM Specialty Core/Prot/Endo (Sebia B) |
Interpretive
| Use: | This combination of tests should be requested when the physician seeing the patient would like an immunofixation automatically performed on the same urine specimen to characterize a suspected monoclonal protein that has been seen on urine protein electrophoresis. As an example, for anyone in whom there may be a clinical suspicion of multiple myeloma, we suggest a protein electrophoresis with automatic reflex to immunofixation be ordered. |
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