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