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Magnesium, Fecal
0020105
Ordering Recommendation
Mnemonic
FECMG
Methodology
Quantitative Spectrophotometry
Performed
Sun-Sat
Reported
Within 48 hours
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
24-hour or random stool. 
Specimen Preparation
Mix specimen well and transfer a 5 g stool to an unpreserved stool transport vial (ARUP Supply #40910). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min: 1 g). Do not add saline or water to liquefy specimen. Indicate total time and weight. 
Storage/Transport Temperature
Refrigerated. 
Unacceptable Conditions
Formed or viscous stools. 
Remarks
 
Stability
Ambient: 1 hour; Refrigerated: 1 week; Frozen: 1 month 
Reference Interval
Test Number
Components
Reference Interval
 Magnesium, Fecal - per volume0-110 mg/dL
 Magnesium, Fecal - per 24h0-355 mg/d

Interpretive Data


Compliance Statement B: This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.

Components
Component Test Code*Component Chart NameLOINC
0020377Fecal Total Weight30078-0
0020388Magnesium, Fecal - per volume29911-5
0020389Magnesium, Fecal - per 24h29912-3
0020392Collection Time for Fecal Spec13363-7
0060717Collection Time for Fecal Specimen13363-7
0097131Fecal Weight30078-0
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Electrolytes, Feces
  • Fecal Magnesium