Test Details
Methodology
Initial presumptive testing by immunoassay at a testing threshold of 2 ng/gm. Presumptive positives confirmed by definitive liquid chromatography/tandem mass spectrometry (LC/MS-MS).
Result Turnaround Time
3 - 6 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Use
Detect fetal exposure to fentanyl
Specimen Requirements
Specimen
Meconium
Volume
5 grams
Minimum Volume
1 gram
Container
Meconium Collection Kit (PeopleSoft No. 96663) or clean, leakproof polypropylene container
Collection Instructions
Specimens from different voidings may be pooled if necessary. For step-by-step instructions for collecting and preparing meconium specimens, see Meconium Testing Collection Instructions.
Storage Instructions
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 817070 | Fentanyl Scr/Conf, Meconium | 61042-8 | 817068 | Fentanyl | 61042-8 | |
| Order Code | 817070 | |||||
| Order Code Name | Fentanyl Scr/Conf, Meconium | |||||
| Order Loinc | 61042-8 | |||||
| Result Code | 817068 | |||||
| Result Code Name | Fentanyl | |||||
| UofM | ||||||
| Result LOINC | 61042-8 |
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
|---|---|---|---|---|---|---|
| Reflex 1 | 701954 | Meconium Fentanyl Confirmation | 701949 | Fentanyl | ng/gm | 61042-8 |
| Reflex 1 | ||||||
| Order Code | 701954 | |||||
| Order Name | Meconium Fentanyl Confirmation | |||||
| Result Code | 701949 | |||||
| Result Name | Fentanyl | |||||
| UofM | ng/gm | |||||
| Result LOINC | 61042-8 | |||||
| Order Code | Order Name | Result Code | Result Name | UofM | Result LOINC | |
|---|---|---|---|---|---|---|
| Reflex 1 | 701954 | Meconium Fentanyl Confirmation | 701951 | Norfentanyl | ng/gm | 61053-5 |
| Reflex 1 | ||||||
| Order Code | 701954 | |||||
| Order Name | Meconium Fentanyl Confirmation | |||||
| Result Code | 701951 | |||||
| Result Name | Norfentanyl | |||||
| UofM | ng/gm | |||||
| Result LOINC | 61053-5 | |||||