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Test Code CA U QNT Calcium, 24 Hour Urine

Clinical System Name

Urine Calcium Quantitation

Sample Requirements

Specimen: Urine

Container(s): 24 Hour Urine Container

Preferred Vol:  24 hr collection

Minimum Vol: N/A

 

Note: No preservatives are needed to start collection.  Please notify lab to obtain urine collection container.  Refrigerate sample during collection.  Document start and stop dates and times, along with patient information.  Deliver labeled container to clinical lab upon completion.

Processing Instructions

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

Spin: N

Aliquot: N

Temp: 2-8 C

Storage location:Store specimen in original container in CPA refrigerator. Labels should be placed in CPA refrigerator, FrigB bucket.

 

Off-site collection:  No preservatives are needed to start collection.  Please notify lab to obtain urine collection container.  Referigerate sample during collection.  Document start and stop dates and times, along with patient information. Send entire specimen in original container, refrigerated.

Stability

 

Specimen Type Temperature Time
Urine Room Temp

N

Urine Refrigerated

 7 D

Urine Frozen

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

 

  Normal Diet
< 1 month up to 50 mg/24 hr
1 month - Adult 30 - 150 mg/24hr

Result varies with calcium intake.
 

Methodology

Method: Spectrophotometry by Vitros 4600

Analytical Volume: 2 mL urine

CPT Codes

82340