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Oxcarbazepine Metabolite, Serum/Plasma (36637) (36637Z)

Test Code

36637P

CPT Code(s)

80299

Preferred Specimen(s)

1 mL Serum.

Collection Instructions:
__Do not collect in serum separator tubes (SST).

Minimum Volume

0.25 mL Serum

Alternative Specimen(s)

1 mL Plasma

Specimen Container

Serum: Red-top (no gel)
Plasma: EDTA (lavender-top)

Transport Temperature

Serum and Plasma: Refrigerated preferred; Room temperature
_unacceptable; Frozen acceptable

Specimen Stability

Serum or Plasma
__Room temperature: 72 Hours
__Refrigerated: 14 Days
__Frozen: 60 Days

Methodology

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

Performing Laboratory

Quest Diagnostics Chantilly
Nichols Institute
14225 Newbrook Dr.
Chantilly, VA 20151-2228

Setup Time

P.M.

Setup Days

Sets up 6 days a week.

Report Available

Reports in 1 day.

Reference Range(s)

Therapeutic 8.0-35.0 mcg/mL
Toxic >35.0 mcg/mL
Detection limit 0.5 mcg/mL

Clinical Significance

Oxcarbazepine (trileptal) is an anti-convulsant used for treating generalized tonic-clonic and partial seizures. It can be administered alone or as an adjunct to other anti-convulsants.

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result
Code
Result NameLOINC CodeComponent Name
1299210-Hydroxycarbazepine31019-310-Hydroxycarbazepine

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided 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 payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.