Citric Acid, Urine CITU

Method(s) Quantitative Enzymatic
Specimen Required
Collect 24-hour urine. Random samples are also acceptable. Refrigerate during collection.
Transport 4 mL aliquot from a 24-hour or random collection at 2-8°C. (Min: 0.5 mL)
Remarks

Adjust pH to less than or equal to 2 by adding 6M HCl. Samples previously preserved with boric acid are acceptable. Record total volume, collection time interval, and pH on transport tube and test request form.

Stability Ambient: 8 hours; Refrigerated: 1 week; Frozen: Indefinitely
Schedule Daily
Billing Code 5010243
CPTCode 82507
Preferred Specimen Collection Device(s)
Reference Interval
ComponentReference Interval
Citric Acid, Urine
Citric Acid/Creatinine Ratio, Urine
18 years and older: 320-1240 mg/d
1 year and older: 150 mg/g or higher.
No Appointment Necessary
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12 Patient Service Centers in Central New York.

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