18 days
High-pressure liquid chromatography (HPLC)
Accredited Laboratory Partner
Contact Technical Support
Measures neopterin and BH4. Used in evaluation of neurotransmitter biosynthesis disorders.
CSF
1 mL
Sterile screw capped vial.
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.
Sample must be collected in tube no. 3 from supplied kit (PeopleSoft No. 125218). Collect entire sample into a single sterile tube.
| Temperature | Period |
|---|---|
| Frozen | Indefinite at -80°C; Freeze as soon as possible after collection |
18 days
High-pressure liquid chromatography (HPLC)
Accredited Laboratory Partner
Contact Technical Support
Measures neopterin and BH4. Used in evaluation of neurotransmitter biosynthesis disorders.
CSF
1 mL
Sterile screw capped vial.
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.
Sample must be collected in tube no. 3 from supplied kit (PeopleSoft No. 125218). Collect entire sample into a single sterile tube.
| Temperature | Period |
|---|---|
| Frozen | Indefinite at -80°C; Freeze as soon as possible after collection |