Magnesium, Urine
| CPT Code(s): | 83735 |
| Specimen Required: | Patient Preparation: Collect:24-hour urine. Refrigerate during collection. Also acceptable: Random urine. Specimen Preparation: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). Record total volume and collection time interval on transport tube and test request form.Transfer 4 mL aliquot of urine from a well-mixed 24-hour collection to an RDL Standard Transport Tube. (Min: 0.5 mL) Storage/Transport Temperature:Refrigerated. Stability:Ambient: 1 week (if acidified); Refrigerated: 1 week; Frozen: 1 year |
| New York DOH Approval Status: | This test is New York DOH approved. |
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