Laboratory Test Detail - Interpath Labs

Laboratory Test Detail

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Last Updated: April 19, 2024 @ 9:13 am
91159	Magnesium, Urine
Specimen:	Collect:	Timed Urine in Timed Urine Container Also Acceptable: Random Urine in Sterile Specimen Container
	Submit:	4 mL (Min:0.5 mL) Aliquot(s) Timed Urine in Trace Element Free Tube. Submit Refrigerated. Also Acceptable: 4 mL (Min:0.5 mL) Random Urine in Trace Element Free Tube. Submit Refrigerated.
	Special Handling:	Keep Specimen Refrigerated During Collection State Collection Time State Volume Adjust pH to 1 by adding 6M HCl (approximately 10 mL HCl/24-hour specimen based on normal adult output of 1000-2000 mL/24 hours. Pediatric specimens will require less than 10 mL to reach the correct pH). Transfer 4 mL aliquot of urine from a well-mixed 24-hour collection to an Standard Transport Tube. (Min: 0.5 mL)
	Rejection Criteria:	Specimens containing preservatives
	Stability:	Ambient: 3 Day(s); Refrigerated: 2 Week(s); Frozen: 12 Month(s); Incubated: Unacceptable
Methodology:	Quantitative Spectrophotometry
Performed:	Sun-Sat
Reported:	1-2 Day(s)
CPT Codes:	83735
Interpretive Data:	Please see report for interpretive data.
Components:	93008 - CREAT, UR 93009 - CREATININE 93010 - MAGNESIUM, UR 93011 - MAGNESIUM, UR 93388 - URINE VOLUME 93518 - HOURS COLLECTED

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