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Test Code 725 Protein, Micro-Total (MTP) Urine, Timed

Additional Codes

ALAB: TPUT

PowerChart: Protein Tl Urine Timed

MA Cerner: Urine Total Protein Timed

Test Method

MercyOne: Dye-Binding Colorimetric Method; Beckman DxC700AU

MA: Turbidimetric Method; Roche Cobas 6000

Specimen Requirement

10 mL urine is required.

Additional Specimen Collection Information

Collect a urine specimen for the specified time in a plastic container. No preservative required. Store the urine specimen refrigerated and transport to the lab within 48 hours. Label the specimen appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Record the time period of collection on the specimen label. Send the entire specimen to the laboratory. 24-Hour specimens are recommended but other timed collections are acceptable.

 

Labs submitting specimens to MercyOne Laboratory should aliquot 10 mL and send in a plastic transport tube. Label the tube appropriately with two identifiers, patient name and another identifier, (patient ID number, DOB, etc.) include date and time of collection. Record the time period of collection and total volume of the timed specimen on both the request form and the specimen. Store the urine specimen refrigerated and transport to the lab within 48 hours.

Performance

Testing is performed Monday through Sunday, once daily before noon.

Typically assayed within 2 hours after the specimen arrives at the testing site if the sample arrives before the noon run. Any specimens arriving after the daily run will be performed on the following day.

Reference Values

< 100 mg/24 Hours

CPT Code Information

84156 Chemistry: Protein, Total urine

Useful For

Evaluation of renal disease

Screening for monoclonal gammopathy

LOINC Code Information

2889-4 Protein [Mass/Time] In 24 hour Urine