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Test Code 8028 Encainide (Enkaid), ODE and MODE

Additional Codes

Mayo Test ID
FENC

Reporting Name

Encainide (Enkaid)

Performing Laboratory

Medtox Laboratories, Inc.

Specimen Type

Varies


Specimen 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

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

Report Available

3 to 7 days

Method Name

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

Barnes-Jewish Hospital Additional Information:

For BJH Laboratory Use Only
Laboratory Processing Instructions:
BJH Core Lab will forward to the performing laboratory. Do not reject specimen if not received on ice.