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Encainide (Enkaid), ODE and MODE

Additional Codes

Primary ID

Epic Code

Mayo Test ID

ENCA

LAB2455

 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

Reject Due To

Hemolysis NA
Lipemia NA
Icterus NA
Other NA

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

Specimen Retention Time

2 weeks

NY State Approved

Yes

Method Name

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