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Test Code LAB90323 Myeloma Staging Profile Study, Urine

Additional Codes

46916

Reporting Title

Myeloma Staging Urine

Methodology

Helena, Agarose Gel Electrophoresis

Includes protein, total.  Roche Diagnostics

Useful for monitoring and semiquantitating a previously identified Bence-Jones protein. LAB402  “Immunofixation, Urine” will need to be ordered to identify abnormal bands that have not been previously identified.

Performing Laboratory

OhioHealth Laboratory Services-RMH Special Testing

Specimen Requirements

10 mL from a 24-hour urine collection in a screw-capped, plastic urine container. No preservative. Mix well before taking 10-mL aliquot. Refrigerate specimen during collection, and send specimen refrigerated.

Note:  1. If a random urine is sent, LAB402 “Immunofixation, Urine” will be performed.

2. 24-Hour volume is required on request form for processing.

3. Follow instructions in “Urine Collection” in “Special Instructions.”

Specimen Stability

Specimen Type

Temperature

Time

Special Container
 

Refrigerated

72 hours

  

 

Frozen 

1 month


 

 

Ambient

 

 

Specimen Transport Temperature

Refrigerate/Ambient NO/Frozen NO

Reference Values

ELECTROPHORETIC INTERPRETATION

No paraproteins detected

Note:  Run annually if protein pattern changes, or if abnormal band has not been previously identified.

PROTEIN, TOTAL

0-150 mg/TV

Day(s) Test Set Up

Monday through Friday

Test Classification and CPT Coding

84156 - urine protein, total

84166 - electrophoresis, protein

86335 - immunofixation (if appropriate)