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Test ID ETHO Ethotoin (Peganone)

Method Name

Gas Chromatography/Flame Ionization Detection (GC-FID)

Reporting Name

Ethotoin (Peganone)

Specimen Type


Specimen Required

Submit only 1 of the following specimens



Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and send 2 mL sodium heparin plasma refrigerated in plastic vial.



Draw in a plain, red-top tube(s), serum gel tube is not acceptable. Spin down and send 2 mL of serum refrigerated in plastic vial.   

Specimen Minimum Volume

0.25 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Refrigerated (preferred) 7 days
  Frozen  180 days
  Ambient  72 hours

Reference Values

Reference Range: 8.0 - 20.0 ug/mL


Please note: The therapeutic range for ethotoin is not well established.


Many patients respond well to ethotoin concentrations up to 60 ug/mL.


Day(s) and Time(s) Performed

Monday through Sunday

Performing Laboratory

Medtox Laboratories, Inc.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
ETHO Ethotoin (Peganone) 3617-8


Result ID Test Result Name Result LOINC Value
Z1119 Ethotoin (Peganone) 3617-8

NY State Approved