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IMMUNOTYPING, URINE, 24 HOUR or RANDOM
Test CodeLAB8294
CPT Codes
86335
Includes
- Monoclonal paraprotein identification (if present)
- Pathologist Interpretation
Preferred Specimen
24 Hour Urine Container without preservative
Patient Preparation
Discrad first morning urine on day of collection and note the time. Collect all urine voided during the next 24 hours. Refrigerate the urine during entire collection. See patinet collection instructions link below.
Minimum Volume
15 mL aliquot (20 mL aliquot)
Other Acceptable Specimens
Sterile Container (for random urine)
Instructions
- Mix the specimen well and measure the 24-Hour volume
- RECORD THE TOTAL VOLUME
- Pour off 20 mL of urine into a separate plastic screw-cap container
- Refrigerate if not tested immediately
Transport Temperature
Refrigerate
Specimen Stability
2-8°C up to 7 days
Methodology
Capillary Electrophoresis
Setup Schedule
M, T, W, Th, F
Batchedl; once per day
Batchedl; once per day
Report Available
Within 24 hours M-Th, samples collected Friday will be reported on Monday
Reference Range
No monoclonal paraproteins observed
Clinical Significance
Ideally, this test is performed after the protein electrophoresis has identified the presence of a monoclonal paraprotein. If the patient has a known or previous M-spike, both the immunotyping and serum electrophoresis are ordered at the same time.
Urine IFE is used for the detection of monoclonal proteins as seen in monclonal gammopathies (MGUS, MM, smoldering myeloma) and amyloidosis.
Urine IFE is used for the detection of monoclonal proteins as seen in monclonal gammopathies (MGUS, MM, smoldering myeloma) and amyloidosis.
Performing Laboratory
Alverno Central Lab
Additional Information
24 Hour Urine Collection Instructions
