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Test Code PHOS U QNT Phosphorus, 24 Hour Urine

Clinical System Name

Urine Phosphorus Quantitation, 24 Hour

Sample Requirements

Specimen: Urine

Container(s): 24 Hour Urine Container

Preferred Vol: Entire volume from 24 hr collection.

Minimum Vol: N/A

 

Note:  Please contact lab to obtain container (no preservatives are needed) - go to Clinical Lab with patient label to obtain urine container.  Refrigerate sample during collection period.  Document start and stop dates/times, along with patient information.  Deliver labeled container to Clinical Lab upon completion.

 

Processing Instructions

Reject due to:

Spin:N

Aliquot:N

Temp: 2 - 8 C

Storage location: CPA refrigerator. Labels are stored in CPA refrigerator, FrigB bucket.

 

Off-site collection:  Send original container refrigerated.

Stability

Specimen Type Temperature Time
  Room temp  
  Refrigerated 7 d
  Frozen  

 

Availability

STAT Performed TAT
N M - F 1 - 3 d

 

Performing Laboratory

Seattle Children's Laboratory    

Department

Department:  Chemistry

Location: Chem East

Phone Number: (206) 987-2617

Reference Range

100 - 600 mg/ 24 h

 

Results vary with dietary intake.  Reference range is for quantitative (24 hour) collection; qualitative reference values are not available.

Methodology

Method: Spectrophotometry by Vitros 4600

Analytical Volume: 0.5 mL

Limitations: Method is affected by fecal contamination, loss of specimen during collection, Loss of 10% of total urine collected invalidates the test.

CPT Codes

84105