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HelpTest ID FENC Encainide (Enkaid), ODE and MODE
Method Name
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Reporting Name
Encainide (Enkaid)Specimen Type
VariesSpecimen Required
Submit only 1 of the following:
Plasma
Draw blood in a green-top (sodium heparin) tube(s). Plasma gel tube is not acceptable. Spin down and send 1 mL of sodium heparin plasma 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 1 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 | ||
| Ambient | 72 hours |
Reference Values
Encainide:
Reference Range: 15 - 100 ng/mL
O-Demethylencainide (ODE):
Reference Range: 100 - 300 ng/mL
3-Methoxy-ODE (MODE):
Reference Range: 60 - 300 ng/mL
10% of patients do not form therapeutic concentrations of the active metabolites, ODE and MODE. In these patients the recommended range for the encainide concentration is 300 - 1200 ng/mL.
Day(s) Performed
Monday through Friday
Performing Laboratory
Medtox Laboratories, Inc.CPT Code Information
80299
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FENC | Encainide (Enkaid) | Not Provided |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z1131 | Encainide | 3589-9 |
| Z1157 | o-Demethylencainide (ODE) | 10997-5 |
| Z1158 | 3-Methoxy-ODE (MODE) | 10973-6 |