Protein Immunofixation, Urine
| Sunquest Code: | UIEP | ||
| Epic Code: | LAB3835 | Epic Name: | Protein Immunofixation Urine |
| Synonyms: | Globulins, Urine; Kappa Light Chains, Urine; Lambda Light Chains, Urine; Myeloma Proteins, Urine; Immunoelectrophoresis for Myeloma Proteins, Urine; Light Chains, Urine | ||
| Methodology: | Agarose immunofixation | ||
| Turnaround Time: | Performed Mon-Fri; results are reported the same day. | ||
| Special Instructions: | A 24 hour urine collection is preferred to detect trace amounts of protein. Random collections should be a first morning void. | ||
| Associated Links: | |||
Collection Instructions
| Specimen: | Urine, random or timed collection (2 to 24 hour) |
| Optimal Volume: | Submit entire collection. |
| Container: | Plastic leakproof container, sterile |
Processing and Shipping
| Specimen Processing: | For timed collection: Mix collection well before aliquot is taken. Aliquot 20 mL, 10 mL minimum. For random collection: Submit entire collection. Store in refrigerator. |
| Shipping Instructions: | Ship at refrigerated temperature. |
| Stability: | Specimen may be frozen once, repeated freezing and thawing affects quality of results. |
| Test Performed at or Referral Lab | Protein (UMMC-East Bank) |
Interpretive
| Reference Range: | Urine normally contains trace amounts of albumin, alpha and beta globulins and gamma globulin. |
| Use: | Qualitative identification of monoclonal gammopathies or free light chain globulins (Bence Jones proteins) in urine. |
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