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  • Ferritin
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Biomarkers · Chemical

Phenobarbital

Also listed as
Phenobarbital, Serum
Primary unit
ug/mL
LOINC codes
3948-7, 72396-5
Tests that measure Phenobarbital
Quest Diagnostics 5, Labcorp 3

Ranges

Each lab publishes a reference range for the population groups it tests, usually the middle 95% of results. These intervals describe that population, not an optimal or healthy target. How ranges differ

Quest Diagnostics, Primidone and Phenobarbital 751

PopulationInterval
Primidone5.0-12.0 mg/L
Phenobarbital15.0-40.0 mg/L

Quest Diagnostics test catalog, 751

Tests

Check the catalog code, specimen, method and preparation for every test that measures Phenobarbital. Select up to five tests to compare them side by side.

Quest Diagnostics 5 tests

Single-analyte tests

  • Phenobarbital 708

    Serum · Fasting not stated · Turnaround Set up: Daily (All shifts); Report available: 1 day

    Method and collection
    Method
    Immunoassay (IA)
    Preparation
    Collect just prior to next dose
    Reference notes
    15.0-40.0 mg/L
    Quest Diagnostics catalog page

Panels that include this biomarker

  • Primidone and Phenobarbital 751

    2 analytes · Serum · Fasting not stated

    Method and collection
    Method
    Immunoassay (IA)
    Preparation
    Collect as trough just prior to next dose
    Quest Diagnostics catalog page

  • Barbiturates, Quantitative Confirmation, Serum 7377

    6 analytes · Serum · Fasting not stated · Turnaround Set up: Mon-Fri

    Method and collection
    Method
    Chromatography/Mass Spectrometry
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Expanded Drug Screen, Umbilical Cord Tissue 94484

    31 analytes · 10 g umbilical cord · Fasting not stated · Turnaround Set up: Daily; Report available: 1 day

    Method and collection
    Method
    High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)
    Collection
    Collect at least 6 inches of umbilical cord (approximately the length of an adult hand). Drain and discard any blood. Rinse the exterior of the cord segment with normal saline or sterile water. Pat the cord dry and place in container for transport. Store at refrigerated temperature.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Comprehensive Drug Screen, Umbilical Cord Tissue 94488

    59 analytes · 10 g umbilical cord · Fasting not stated · Turnaround Set up: Mon-Sat

    Method and collection
    Method
    High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)
    Collection
    Collect at least 6 inches of umbilical cord (approximately the length of an adult hand). Drain and discard any blood. Rinse the exterior of the cord segment with normal saline or sterile water. Pat the cord dry and place in container for transport. Store at refrigerated temperature.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

Labcorp 3 tests

Single-analyte tests

  • Phenobarbital, Serum or Plasma 007823

    Serum · Fasting not stated · Turnaround Within 1 day

    Method and collection
    Method
    Immunoassay
    Collection
    Transfer separated serum or plasma to a plastic transport tube. Peak: 4 to 12 hours after dose; trough: immediately prior to next dose.
    Reference notes
    Therapeutic: 15−40 μg/mL
    Labcorp catalog page

Panels that include this biomarker

  • Primidone, Serum or Plasma 007856

    2 analytes · Serum · Fasting not stated · Turnaround 2 - 3 days

    Method and collection
    Method
    Immunoassay
    Collection
    Transfer separated serum or plasma to a plastic transport tube. Collect specimen immediately prior to next dose.
    Reference notes
    Therapeutic: primidone: 5.0−12.0 μg/mL, phenobarbital: 15−40 μg/mL
    Labcorp catalog page

  • Barbiturate Confirmation, Whole Blood 791532

    6 analytes · Blood · Fasting not stated · Turnaround 7 - 10 days

    Method and collection
    Method
    Chromatography with Mass Spectrometry
    Labcorp catalog page

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Sources

Verify these ranges and sources

We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.

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