Phenobarbitone/Primidone
Phenobarbitone is a metabolite of Primidone, use this test to monitor patients on primidone.
NOTE: Reporting units changed from mmol/L to mg/L May 1, 2007
| Tube | 01 (SE) - Serum Gel |
|---|---|
| ID | Tests&Tubes0090 |
| Additional Information | For monitoring purposes, blood should not be drawn until a steady state has been attained. This will not be achieved until 2-4 weeks after starting therapy or changing dose. In children the period may be slightly shorter at 1-2 weeks. Renal or hepatic disease may result in increased phenobarbitone concentration. PLEASE NOTE: TEST CAN ONLY BE ADDED TO A SAMPLE WITHIN 8 HOURS OF COLLECTION |
| Turn Around | A&E: N/A Day Case: 24 Hours In-Patient: 24 Hours Out-Patient: N/A GP: N/A |
| Send to | Blood Sciences LGI |
| Contact | For further details please contact Leeds Pathology customer services: leedsth-tr.pathologycustomerservice@nhs.net. |
| Collection Con | Intensive care units, renal unit, transplant unit, patients on IV heparin use lithium-heparin (Green with Yellow ring) tube. Minimum volume: 500µl serum / plasma Instructions for Lab Staff: Standard lab processing- No special requirements |
| Sample REQ | Blood |
| Ref. Range Notes | Blood Sciences reference ranges are available through the useful information and links page: https://www.leedsth.nhs.uk/a-z-of-services/pathology/blood-sciences/useful-information-and-links/ |
| Units | mg/L |
| Telepath | PENO2L |
| ICE Codes | LPENO |
