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Mayo Clinic Laboratories

Test ID FNALO Naloxone - Total (Conjugated/Unconjugated), Screen, Urine

Method Name

High Performance Liquid Chromatography/Tandem Mass
Spectrometry (LC-MS/MS)

Reporting Name

Naloxone Screen, Total, U

Specimen Type

Urine

Collect 1 mL random urine. Send specimen refrigerated in a plastic (preservative-free) urine container.

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 30 days
  Frozen  365 days
  Ambient  7 days

Reference Values

Reporting limit determined each analysis (screen and confirmation)

 

Naloxone – Total ng/mL

  Synonym(s): Narcan

 

Naloxone – Confirmation ng/mL

  Synonym(s): Narcan

Day(s) Performed

Tuesday, Thursday

Report Available

4 days

Performing Laboratory

NMS Labs

CPT Code Information

80304

80362 if appropriate

NY State Approved

Yes