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Unit Code 8595:
Magnesium, Urine

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Specimen Required

1. 10 mL from a 24-hour urine collection. No preservative. See "Urine

     Preservatives" in Special Instructions for multiple collections.  

2. Collect in a clean, plastic urine container(s) with no metal cap(s) or

     glued insert(s).

3. Send specimen in a plastic, 13-mL urine tube or a clean,

     plastic aliquot container with no metal cap or glued insert. See

     "Metals Analysis - Collection and Transport" in Special Instructions.

4. Refrigerate specimen within 4 hours of completion of 24-hour

     collection. Send specimen refrigerated.

Note:    24-Hour volume is required on a request form for

                  processing.

 

Urine Preservative Collection Options

Note:     The addition of preservative or application of temperature

                  controls must occur within 4 hours of completion of the

                  collection.

 

Ambient:                     Yes

Refrigerate:               Preferred

Frozen:                        Yes

6N HCl:                       Yes

50% Acetic Acid:     Yes

Na(2)CO(3):               No

Toluene:                     Yes

6N HNO(3):                Yes

Boric Acid:                 No

Thymol:                       No

Transport Temperature

Refrig\Frozen OK\Ambient NO

Reject Due To

Specimens Other Than:                 NA

Anticoagulants Other Than:           NA

Hemolysis:                                          NA

Thawing:                                              NA

Lipemia:                                               NA

Day(s) and Time(s) Test Performed

Monday through Saturday;5 p.m./Continuously

Key