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Test ID FKETO Ketoconazole, Serum/Plasma

Method Name

High-Performance Liquid Chromatography/Tandem Mass

Spectrometry (LC-MS/MS)

Reporting Name


Specimen Type


Specimen Required

Submit only 1 of the following specimens:



Draw blood in a plain, red-top tube(s). Spin down and send 1 mL of serum refrigerated in plastic vial.



Draw blood in an EDTA lavender-top or pink-top tube(s). Spin down and send 1 mL of EDTA plasma in refrigerated in plastic vial.

Specimen Minimum Volume

0.22 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Refrigerated (preferred) 30 days
  Ambient  30 days

Reference Values

Reporting limit determined each analysis


Peak plasma levels of 5.4 ± 1.7 mcg/mL occurred at approximately 1 hour following a single 200 mg dose and peak plasma levels of 22 ± 3 mcg/mL occurred at approximately 2 hours following a single 800 mg dose of ketoconazole.

Day(s) Performed

Monday through Sunday

Performing Laboratory

NMS Labs

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FKETO Ketoconazole 10990-0


Result ID Test Result Name Result LOINC Value
Z1443 Ketoconazole 10990-0
Z1865 Reporting Limit 19147-8

Test Classification

This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the U.S. Food and Drug Administration.

Report Available

7 to 11 days

NY State Approved