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Sidebar Content

Mayo Clinic Laboratories

 

sidebar content for test

Mayo Clinic Laboratories

Test ID FHMTB Hydrocodone and metabolites


Specimen Required


Submit only 1 of the following specimens:

 

Plasma

 

Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and send 5 mL sodium heparin plasma refrigerated in a plastic vial.

 

Serum

 

Draw blood in a plain red-top tube(s), serum gel tube is not acceptable. Spin down and send 5 mL of serum refrigerated in a plastic vial.


Method Name

Gas chromatography with Mass Spectrometry (GC/MS)

Reporting Name

Hydrocodone and MTB, Free

Specimen Type

Varies

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time
Varies Refrigerated (preferred) 14 days
  Frozen  180 days
  Ambient  72 hours

Reference Values

Reference Range:

 

Hydrocodone, unconjugated: 10-100 ng/mL

 

Hydromorphone, unconjugated: 1-30 ng/mL

 

Dihydrocodeine, unconjugated: Not established ng/mL

Day(s) Performed

Tuesday through Saturday

Report Available

5 to 9 days

Performing Laboratory

Medtox Laboratories, Inc.

CPT Code Information

80361

NY State Approved

Yes