Immunofixation, Urine

CERNER / EPIC MNEMONIC: U/IEP
POE DESCRIPTION: URINE IMMUNOFIXATION; IMMUNOFIX-URINE; U/IEP
CPT CODE:

84156, 84166, 86335, 81050

TEST INFORMATION: Test includes typing of monoclonal proteins for light and heavy chain specificity, semiquantitation of free monoclonal light chains, urine protein electrophoresis
DAYS PERFORMED: Monday-Friday, first shift
TURNAROUND TIME: 2-6 days
SPECIAL INSTRUCTIONS: For timed urine collection, instruct the patient to void at the beginning of the collection period and discard the specimen. Then collect all urine including the final specimen voided at the end of the collection period. Containers must be labeled with patient`s full name, date and time collection started, and date and time collection finished.
CONTAINER TYPE:

 

24 hour urine container (Bottle #1) with no preservative or Sterile 80 mL specimen container (random urine)

SPECIMEN REQUIREMENTS: Entire 24-hour collection of voided urine
MINIMUM VOLUME: 25 mL aliquot from the 24-hour urine collection.
HANDLING INSTRUCTIONS: Refrigerate during collection.
REFERENCE RANGE: No monoclonal free light chains detected. Interpretation provided with results.
LIMITATIONS OF TEST:

Urine stored more than seven days before being assayed may give unreliable results.

METHODOLOGY:

Immunofixation

LAST UPDATED:

10-03-2011

TEST SYNONYM(S):Electrophoresis, Urine