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BCH Order Code ENCAN Encainide (Enkaid), ODE and MODE

Additional Codes

Mayo Test ID

Reporting Name

Encainide (Enkaid)

Performing Laboratory

Medtox Laboratories, Inc.

Specimen Type


Specimen Required

Submit only 1 of the following:



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.



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


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

CPT Code Information


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

Report Available

3 to 7 days

Method Name

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)