19 days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Accredited Laboratory Partner
Contact Technical Support
Used in diagnosing pyridoxine-dependent epilepsy. Measures a biomarker elevated in specific metabolic disorders.
Urine
1 mL
Sterile cup
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Strictly frozen, requires own sample container
| Temperature | Period |
|---|---|
| Frozen | Indefinitely |
19 days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Accredited Laboratory Partner
Contact Technical Support
Used in diagnosing pyridoxine-dependent epilepsy. Measures a biomarker elevated in specific metabolic disorders.
Urine
1 mL
Sterile cup
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Strictly frozen, requires own sample container
| Temperature | Period |
|---|---|
| Frozen | Indefinitely |