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HelpTest Code FDM Dextromethorphan (DM), Serum
Reporting Name
Dextromethorphan (DM)Specimen Type
VariesSpecimen Required
Submit only 1 of the following specimens:
Plasma
Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and send 2 mL sodium heparin refrigerated in a plastic vial.
Serum
Draw blood in a plain red-top tube(s), serum gel tube is not acceptable. Spin down and send 2 mL of serum refrigerated in a plastic vial.
Specimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Varies | Refrigerated (preferred) | 14 days | |
| Frozen | 180 days |
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Reference Values
Reference Range: 2.0 - 6.0 ng/mL
Day(s) Performed
Monday through Sunday
CPT Code Information
80362
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FDM | Dextromethorphan (DM) | 13623-4 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z1148 | Dextromethorphan (DM) | 13623-4 |
Report Available
5 to 11 daysMethod Name
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)