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22695 Meperidine and Normeperidine, Serum (67)

Meperidine and Normeperidine, Serum (67)
Test Code: MISC
Synonyms/Keywords
Demerol®​
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
Serum​ ​Red Top Tube (RTT) ​ ​3 mL ​0.6 mL ​
​Plasma ​Lithium-heparin Green Top Tube or Sodium-heparin Green Top Tube (GTT) ​ 3 mL​ ​0.6 mL ​
Collection Processing Instructions
Trough levels are most reproducible
Specimen Stability Information
Specimen Type Temperature Time
​Serum or Plasma ​ ​ ​
Ambient
​		 3 days​
​Refrigerated​2 weeks
​Frozen​6 months
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Medtox Laboratories​ Varies ​5-7 days
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS-MS)
Reference Lab
Medtox Laboratories
Reference Range Information
Reference Range
Meperidine:
400 - 700 ng/ml
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​80299 ​ ​ ​ ​
Synonyms/Keywords
Demerol®​
Ordering Applications
Ordering Application Description
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
Specimen Type Preferred Container/Tube Acceptable Container/Tube Specimen Volume Specimen Minimum Volume
(allows for 1 repeat)		 Pediatric Minimum Volume
(no repeat)
Serum​ ​Red Top Tube (RTT) ​ ​3 mL ​0.6 mL ​
​Plasma ​Lithium-heparin Green Top Tube or Sodium-heparin Green Top Tube (GTT) ​ 3 mL​ ​0.6 mL ​
Collection Processing
Trough levels are most reproducible
Specimen Stability Information
Specimen Type Temperature Time
​Serum or Plasma ​ ​ ​
Ambient
​		 3 days​
​Refrigerated​2 weeks
​Frozen​6 months
Reference Range Information
Reference Range
Meperidine:
400 - 700 ng/ml
For more information visit:
Performing Laboratory Information
Performing Location Day(s) Test Performed Analytical Time Methodology/Instrumentation
Medtox Laboratories​ Varies ​5-7 days
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS-MS)
Reference Lab
Medtox Laboratories
For billing questions, see Contacts
Outreach CPTs
CPT Modifier
(if needed)		 Quantity Description Comments
​80299 ​ ​ ​ ​
For most current information refer to the Marshfield Laboratory online reference manual.