Glycols, Ethylene & Propylene

Message
  • Send STAT to UCH - Denver Colorado see SOP for After Hours STAT send-out instruction
  • This test should be ordered if volatile screen is requested STAT from the Emergency Department.
  • Methanol must be ordered separately.
Enter all applicable fields:
         Test Name: Glycols, Ethylene & Propylene
         Reference Lab: UCH
         Test Code: LAB3046
         Shipping Temp: REFRIGERATED
         Specimen Type: ONE 7.0 ML RED TOP NO GEL SERUM (CLOT ACTIVATOR)
         TAT: SAME DAY
         CPT Code: 82693
         Cost: _
         Additional Comments: _
         FDA Approved Test:  YES_    NO_    LDT_
         Medical Director/Pathologist: approved by _
         Billing Completed by_    Date_   Time_


Test Code
ESOT - GLYCOLS - UCH


Alias/See Also
UCH Code: GLYCOLS - LAB3046
Antifreeze


CPT Codes
82693

Includes
Ethylene Glycol
Propylene Glycol


Preferred Specimen
One 7.0 mL red top no gel, serum (clot activator).


Minimum Volume
1 mL serum


Instructions
  • Allow to clot for 30 minutes after collection. Centrifuge within one hour of collection. Place at least 1 mL serum/plasma in a tightly sealed aliquot container with minimal dead space and transport to lab at 2-8 degrees C (refrigerated or on ice).
  • If prolonged storage is anticipated, the addition of fluoride (collect in a grey top tube) is recommended.


Specimen Stability
Specimen Type Temperature Time
Tightly capped serum aliquot Ambient 24 hours
Refrigerated 24 hours
Frozen 1 month


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
SST or PST gel separator tubes; insufficient volume; sample not properly identified; incorrect container


Methodology
Gas Chromatography (GC)

Setup Schedule
Daily


Report Available
Same day


Reference Range
Ethylene Glycol: <3 mg/dL
Propylene Glycol: <10 mg/dL


Clinical Significance
Ethylene glycol is rapidly oxidized by ADH and should be analyzed immediately whenever ethylene glycol poisoning is suspected.


Performing Laboratory
UCH Clinical Laboratory - Toxicology

Additional Information
UHC Code: GLYCOLS - LAB3046


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.