Printable Test Catalog - OU Medicine

of light chains and urine protein electrophoresis
TEST AVAILABILITY: Daily
TURNAROUND TIME: 3-4 days
REFERENCE RANGE: Normal pattern
OTHER NAMES: Bence Jones Protein Identification; Globulins;
IFE/Protein Electrophoresis; Myeloma Proteins;
Urine IFE;
METHODOLOGY: Urine immunofixation (IFE) on agrose gel;
urine protein electrophoresis on arose media;
visual light-chain typing
CLINICAL USE: Useful in characterizing the proteins in cases of
proteinuria
CPT: 84166; 86335
[IF] IMMUNOFIXATION SERUM
SPECIMEN REQUIRED: Refrigerated serum
TUBE OR CONTAINER: Red or Gold
SPECIMEN VOLUME: 3 ml
MINIMUM VOLUME: 1 mL
TEST INCLUDES: Quantitation of immunoglobulins-IgA, IgG, IgM;
IFE interpretation of heavy- and light - chain
patterns
TEST AVAILABILITY: Daily
TURNAROUND TIME: 3-5 days
METHODOLOGY: Electrophoresis followed by immunodiffusion against
monospecific antisera to immunoglobulin and
individual heavy and light chains (IFE);
turbidimetric quantitation of IgA, IgG, IgM
CLINICAL USE: Detect and identify monoclonal immunoglobulin
gammopathies
CPT: 82784 x 3, 86334
[IFU] Urine Immunofixation
SPECIMEN REQUIRED: Refrigerated aliquot of random urine
TUBE OR CONTAINER: Plastic urine container
SPECIAL HANDLING: No preservative; Collect first morning urine
SPECIMEN VOLUME: 30 mL
MINIMUM VOLUME: 10 mL
TEST AVAILABILITY: Daily
TURNAROUND TIME: 3-4 days
REFERENCE RANGE: Normal pattern
METHODOLOGY: Agarose gel immunofixation electrophoresis (IFE)
CLINICAL USE: Useful in characterizing the proteins in cases of
proteinuria
CPT: 86335
[IGA] Immunoglobulin A
SPECIMEN REQUIRED: Refrigerated serum or plasma
TUBE OR CONTAINER: Light Green (heparin) or Gold
SPECIAL HANDLING: Draw from a fasting patient; test cannot be