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Test ID FENC Encainide (Enkaid ), ODE and MODE

Method Name

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

Reporting Name

Encainide (Enkaid)

Specimen Type

Varies

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
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

Report Available

3 days

Performing Laboratory

Medtox Laboratories, Inc.

CPT Code Information

82542

NY State Approved

Yes