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Test Code LAB1973 Calcium and Creatinine Ratio, Urine

Synonyms

U Ca/Cr

Sample Requirements

Specimen: Random Urine

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

Preferred Vol:  2 mL

Minimum Vol: 1 mL

 

 

Processing Instructions

Reject due to:  

Spin: N

Aliquot: N

Temp: 2-8 C

Storage location: Deliver entire specimen in original container to CPA refrigerator, FrigB bucket.

Off-site collection:  Send entire specimen in original container, refrigerated.
Shared samples are acceptable, original container is preferred for pH adjustment.  Unspun sample is required for processing.

For questions on shared samples please call Chemistry East laboratory.

 

Stability

 

Specimen Type Temperature Time
Urine Room Temp

N

Urine Refrigerated

5 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

CPT Codes

82310, 82570

Methodology

Method: Spectrophotometry by Vitros 4600

Analytical Volume: 1 mL urine

Reference Range

Age mg/dL
0 - 6 months </= 0.80
7 - 11 months </= 0.60
>/= 1 year </= 0.20