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HelpTest Code MG Magnesium, Plasma or Serum
Additional Codes
| Ordering Mnemonic |
|---|
| MG |
Methodology
Xylidyl Blue
Performing Laboratory
Holland Hospital Laboratory Services
Specimen Requirements
Collection Container/Tube:
Preferred: Mint-top (lithium heparin)
Specimen Volume: 1.0 mL
Acceptable: Serum gel, Serum non-barrier, Sodium Heparin
Separate from cells within 2 hours of collection
Label as Plasma or Serum
Specimen Transport Temperature
Refrigerate
Specimen Stability Information
Serum is stable for up to one week at 2-8° Celcius.
Day(s) Test Set Up
Monday through Sunday
Available STAT
Test Classification and CPT Coding
83735 (HH Bill Code 0205174)
Reference Values
1.6-2.3 mg/dL
Critical values (automatic call-back): ≤1.0 mg/dL or ≥6.0 mg/dL