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Geisinger Medical Laboratories Test Catalog
DRUG MONITORING, METHAMPHETAMINE D/L ISOMERS, URINE |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB1311 Geisinger Epic ID: 53169 | |
SPECIMEN COLLECTION |
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Specimen type: |
Urine | |
Preferred collection container: |
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Alternate Collection Container: |
Non-sterile specimen container
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Specimen required: |
20 mL urine; minimum 5 mL. | |
| SPECIMEN PROCESSING |
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Transport temperature: |
Room temperature. | |
Specimen stability: |
Room temperature: 5 days. Refrigerated: 14 days. Frozen: 30 days. | |
Rejection criteria: |
Preserved samples. | |
TEST DETAILS |
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CPT code(s): |
80374 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
d-Methamphetamine and l-Methamphetamine | |
Methodology: |
Chromatography/Mass Spectrometry |
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Synonyms: |
Quest test code 39413, DM Methamp, Prescription Drug Monitoring, Pain Management
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Clinical significance: |
This test measures the ratio of the D and L isomers of methamphetamine in urine. Methamphetamine isomers are biomarkers to identify which forms of methamphetamine are present. The test is a definitive drug assay using the liquid chromatography/mass spectrometry (LC/MS-MS) method of analysis. | |