Specimen:
Collect
- One SST
Also Acceptable:
- One Green Top (Li Heparin)
- One Green Top (Na Heparin)
- One Red Top
Submit
- 1 mL (Min:0.5 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.
Also Acceptable:
- 1 mL (Min:0.5 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling
- Allow specimen to clot completely at room temperature
- Avoid Repeated Freeze/Thaw Cycles
- Separate from cells ASAP
Rejection Criteria
- Hemolyzed specimens
- Lipemic Samples
Stability
Ambient: 8 Hour(s); Refrigerated: 1 Week(s); Frozen: 2 Week(s); Incubated: Unacceptable
Methodology
- Colorimetric
- Kinetic
Performed
Mon-Fri
Reported
1-3 Day(s)
CPT Codes
- 83735
Interpretive Data
General Reference Range : 1.7-2.5 mg/dL
Therapeutic range for OB/GYN use is 4.9-8.5 mg/dL
Therapeutic range for OB/GYN use is 4.9-8.5 mg/dL
Components
- 2042 - MAGNESIUM
Last Updated: May 20, 2025 @ 9:13 am
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