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Test Code UREA U Urea, Urine Random

Clinical System Name

Urine Urea 

Synonyms

Nitrogen, urea

Sample Requirements

Specimen:  Urine

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

Preferred Vol: 5 mL

Minimum Vol: 2 mL

 

Note: Timed collection (24 hours) is preferred. Deliver labeled container to clinical lab upon completion.

 

Processing Instructions

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

Spin: N

Aliquot: N

Temp: 2-8oC

Storage location: CPA refrigerator, FrigB bucket.

 

Off-site collection: Timed collection is preferred.  Send original container refrigerated.

Stability

 

Specimen Type Temperature Time
Urine RT

24 H

  2-8oC

 5 D

  -20oC or -70oC

 180 D

 

Availability

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

 

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Chemistry

Location: Chem East

Phone Number: 206-987-2617

Reference Range

No reference range available for random collection.
 

Methodology

Method:  Spectrophotometric, Rate methods by Vitros 4600

Analytical Volume:  0.05 mL supernatant

CPT Codes

84540