MAGNESIUM, SERUM/PLASMA
| Synonyms: | Mg Serum MG Plasma |
| Computer Code: | MG |
| Specimen Collection: | 2 mL blood (light green top (Li Heparin) preferred. Red/gold acceptable). Pediatrics: 0.5 mL blood (light green top (Li Heparin) preferred. Red/gold acceptable). |
| Minimum Volume: | 0.5 mL |
| Handling Instructions for Offsite Areas: | Allow to clot, centrifuge for 20 minutes, refrigerate. Serum must be removed from red top tube. |
| Reference Values: | 1.5-2.6 MG/DL Critical Value: < or equal to 1.0 mg/dL or > or equal to 5.0 mg/dL |
| Lab Code: | Chemistry |
| Requisition: | C/H |
| Test Frequency: | Daily |
| Routine TAT: | 2 hrs |
| Stat TAT: | 60 min |
| CPT Code(s): | 83735 |
| LCD or NCD: | LCD LCD LCD |
| Methodology Used: |
See Addendum XVII |