Name: Immunofixation Electrophoresis, Urine
Test Name: Immunofixation Electrophoresis, Urine
Health Link Test Code: HCRIFIX
LIS Test Code: RIFIX
CPT Code(s): 86335, 84156
Urine immunofixation and a quantitative urine protein.
Methodology: Gel Electrophoresis
Immunofixation is used to test for and classify light chains (Bence Jones protein) in urine. Diseases associated with light chains in urine include gammopathy,amyloidosis, multiple myeloma and other plasma cell dyscrasias.
Days Performed: Mon-Fri, dayshift - day varies.
In-Lab Turnaround Time: 3 - 5 days.
Stat In-Lab Turnaround Time: Not available stat.
Specimen: Random urine
Collection Container: Sterile screw cap container
No preservative. First morning collection is the preferred sample. Random collection is acceptable, but least desirable.
Collection Volume: Entire collection
3 months for concentrated sample
Sample Analyzed: Urine aliquot
Testing Volume: 10 mL
Pediatric Testing Volume: 10 mL
Outreach Specimen Processing:
Transport a minimum of 10 mL of specimen in a sterile container with coolant pack if coming from clinic locations.
Transport entire collection in a sterile screw cap container to Laboratory. Transport with coolant pack if coming from clinic labs.
Urines with bloody supernatants are acceptable but not desireable. Urines with preservatives are not acceptable.
A written interpretive report is issued as a separate report.
Urine Immunofixation Electrophoresis requests more frequent than 14 days will automatically be cancelled by the laboratory system.
A professional fee is associated with this test.