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Test Code LAB20263 Calcium/Creatinine Ratio - Random Urine

Department

CHEMISTRY

Collection Requirements

2 Yellow Random Urine Tubes

Primary Collection Container

Yellow Urine Vacutainer (No Additive)

Transport

Refrigerated

Preferred Transport Temperature

Refrigerated

Processing

If only 1 Tube is received; split urine into 2 tubes.

Urine Calcium Specimen: Acidify the urine, with 6N HCl to a pH of 2-3.

Centrifuge and refrigerate.

Stability

Ambient: 2 days

Refrigerated: 4 days

Reference Range

0-13 months: <2,100 mg/g 13-24 months: <450 mg/g 24 months-6 years: <350 mg/g 6-111 years: <300 mg/g 11-19 years: <260 mg/g >=19 years: <220 mg/g

Methodology

See the methodology for each component. Roche c503 and e801

Performed

Sunday – Saturday

Reported

As completed

Unacceptable Conditions

Calcium: Non-acidified Urine.