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Test Code BLOOD U Urine Occult Blood

Clinical System Name

Urine Occult Blood

Synonyms

Blood In Urine
Hemoglobin Urine
 

Sample Requirements

Specimen: Urine

Container(s): Sterile, screw-capped container preferred. Clean container also acceptable.

Preferred Vol:  1.0 mL

Minimum Vol: 0.5 mL

 

Notes: Specimen must be received in the Lab within two hours. If there will be a delay, keep the specimen refrigerated and transport on ice. Do not use cotton balls or gauze to collect specimen. Do not squeeze urine from diapers.

 

For bagged urines: Aspirate urine sample from bag using a sterile needleless syringe and place in sterile specimen cup before sending to the lab.

 

For non-sterile containers: Urines collected in non-sterile containers will not be sent for culture. They will have the following comment appended: “Urine collected into a non-sterile container. Results may be affected due to unknown interferents, and sample is unsuitable for culture. For future collections please collect urine into a sterile specimen cup.”

 

Testing cannot be performed off 24 hour urine collections.


Acceptable collection methods: bagged, bladder tap, bladder wash, clean catch, cystoscopy, direct cath, foley cath, lleal loop, indwelling cath, kidney, midstream void, nephrostomy, supra, suprapubic asp, ureter.

Processing Instructions

Reject due to:  Insufficient quantity, incorrect storage temperature, age of specimen

Spin: Y

Aliquot: Y

Temp: 2-8oC

Storage location: Core Chemistry Refrigerator

 

Off-site collection:  Deliver specimen to the Lab within two hours of collection or keep refrigerated at 2-8oC.

Stability

 

 

 

Specimen Type Temperature Time
Urine RT

 2 H

Urine 2-8oC

 7 D

Urine -20oC or -70oC

 365 D

 

Availability

STAT Performed TAT
Y 24/7  1 H

 

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Core Chemistry

Phone Number: 206-987-2617

Reference Range

Negative

Methodology

Method: Reflectance spectrophotometry by Clinitek 500 Urine Analyzer

 

Analytical Volume: 0.5 mL

CPT Codes

81002