Immunofixation 24 hour urine

Specimen:

Test Code

YIFEU

Specimen Name

Immunofixation 24 hour urine

Collect

24 hour Urine; Random urine acceptable but not recommended.

Submit

10 mLs urine aliquot (Min: 5 mLs) Refrigerated

Special Handling

Recomended collection is 24 hour urine in plastic urine container, no preservative.
Random urine collections accepted but will have a comment stating random urine collections are considered unsuitable samples for reliable detection of monoclonal immunoglobulins.
Minumum: 2 mL urine aliquot, if just urine immunofixation (IFEU) is ordered
5 mL urine aliquot, if both urine immunofixation (IFEU) and total protein electrophoresis (UTPEP) are ordered

Rejection Criteria

—

Stability

Refrigerated 7 days; Frozen 1 month

Methodology

Immunofixation electrophoresis

Performed

Monday/Tuesday/Wednesday/Friday

Reported

1-4 days

CPT Codes

  • 86335

Components

—

Additional Information

24 hour urine collection information: Begin collection by emptying the bladder and discarding the urine. Record this time and date on the label of the container. Collect ALL urine voided during the next 24 hours. Keep container closed and refrigerated until the 24hr period is finished. Exactly 24 hours after the original time noted above, empty the bladder and add the urine to the collection container. Record this time and date on the label of the container. Return the entire collection to the clinic of the main laboratory as soon as possible after completion. Loss of any specimen during the collection period will invalidate the test results.

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Test Information

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Common Lab Definitions

  • Serum 
  • Plasma 
  • STT