Home
HelpMayo Test ID FHMTB Hydrocodone and metabolites
Reporting Name
Hydrocodone and MTB, FreeSpecimen Type
VariesSpecimen 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.
Specimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Varies | Refrigerated (preferred) | 14 days | |
| Frozen | 180 days | ||
| Ambient | 72 hours |
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
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 daysPerforming Laboratory
Medtox Laboratories, Inc.CPT Code Information
80361
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FHMTB | Hydrocodone and MTB, Free | Not Provided |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z4300 | Hydrocodone, unconjugated | 12786-0 |
| Z4301 | Hydromorphone, unconjugated | 12787-8 |
| Z4302 | Dihydrocodeine, unconjugated | 12785-2 |
Method Name
Gas chromatography with Mass Spectrometry (GC/MS)