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HelpTest Code LAB2600 Magnesium, Therapeutic
Useful For
- The evaluation of therapy in treatment of pre-eclampsia
- Monitoring therapy in patients on long-term intravenous infusions
Methodology
Colorimetric Endpoint (Xylidil blue)
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen Type: Plasma or serum
Container/Tube: Light-green top (lithium heparin gel), red top, or gold top
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Specimen Transport Temperature
Ambient/Refrigerated
Specimen Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma or Serum | Ambient | 7 days |
| Refrigerated | 7 days | |
| Frozen | 1 year |
Reference Values
Therapeutic range: 4.8-8.4 mg/dL
Critical values (automatic call-back): <1.0 mg/dL or >8.4 mg/dL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
83735