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Test Code PROT U Protein, Urine 

Clinical System Name

Urine Protein

Sample Requirements

Specimen:  Urine

Container(s): Sterile Screw-Capped Container, Clean container also acceptable.

Preferred Vol: 24 hour collection. For a random collection 5 mL

Minimum Vol: 2 mL


Note: Timed collection of 12 or 24 is preferred. Random collection is ok. 

Processing Instructions

Reject due to: Non-sterile container, age of specimen

Spin: N

Aliquot: N

Temp: 2-8 C

Storage location: CPA refrigerator, FrigB bucket, with remaining labels.


Off-site collection:  Timed collection of 12 or 24 hours is preferred. Random collection is ok. Send sample refrigerated.



Specimen Type Temperature Time
Urine Room Temp

2 h

Urine Refrigerated

1 w

Urine Frozen




STAT Performed TAT
N M - F, day shift 1 - 3 d


Performing Laboratory

Seattle Children's Laboratory    


Department:  Chemistry

Location: Chem East

Phone Number: 206-987-2617

Reference Range

No reference range available.


Method:  Spectrophotometry (pyrogallol red dye binding) by Vitros 4600

Analytical Volume: 0.5 mL 

Limitations: Method is affected by fecal contamination and some drugs. Contact Chemistry Laboratory for complete list (206) 987-3860.

CPT Codes