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Methadone Confirmation (Labcorp MedWatch®)

CPT 80358

Test Details

Methodology

Mass spectrometry (MS)

Result Turnaround Time

4 - 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

Drug analysis/clinical drug monitoring

Special Instructions

This assay is intended for pain management. It is not intended for workplace testing and does not comply with state regulatory workplace testing programs.

Specimen Requirements

Specimen

Urine

Volume

20 mL

Container

Plastic urine container

Storage Instructions

Maintain specimen at room temperature. If arrival at lab will extend beyond seven days, refrigerate.

Causes for Rejection

Quantity not sufficient for analysis; incorrect specimen

LOINC® Map

Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
737000 Methadone Conf, MS, UR 737038 Methadone 16199-2
737000 Methadone Conf, MS, UR 737043 Methadone Conf, MS, UR ng/mL 16246-1
737000 Methadone Conf, MS, UR 733157 Please Note: 77202-0
Order Code737000
Order Code NameMethadone Conf, MS, UR
Order Loinc
Result Code737038
Result Code NameMethadone
UofM
Result LOINC16199-2
Order Code737000
Order Code NameMethadone Conf, MS, UR
Order Loinc
Result Code737043
Result Code NameMethadone Conf, MS, UR
UofMng/mL
Result LOINC16246-1
Order Code737000
Order Code NameMethadone Conf, MS, UR
Order Loinc
Result Code733157
Result Code NamePlease Note:
UofM
Result LOINC77202-0