Very long chain fatty acids (VLCFA), phytanate, pristanate
Very long chain fatty acids (VLCFA) are fatty acids with aliphatic tails longer than 22 carbons. Assay includes pristanic and phytanic acid quantitation. Clinical indication for requesting: investigation of peroxisomal disorders.
| Tube | 06 (HP) - Heparin No Gel |
|---|---|
| ID | Tests&Tubes0254 |
| Additional Information | Serum or EDTA plasma also acceptable. |
| Turn Around | Turnaround time stated by Sheffield Children's Hospital: 3-6 weeks. |
| Send to | Blood Sciences LGI (Test referred to: Sheffield Children's Hospital) |
| Contact | For further details please contact Leeds Pathology customer services: leedsth-tr.pathologycustomerservice@nhs.net. |
| Collection Con | Minimum Volume: 0.5mL. Instructions to lab: Lithium heparin plasma, EDTA plasma or serum all acceptable. Centrifuge sample, separate plasma/serum and store at -20. |
| Sample REQ | Blood |
| Ref. Range Notes | Docosanoate (C22) 15 - 112 umol/L; Tetracosanoate (C24) 14 - 80 umol/L; Hexacosanoate (C26) 0.33 -1.50 umol/L; C24/C22 0.44 - 0.97; C26/C22 0.005 - 0.030; Phytanate 0.2 - 19.3 umol/L; Pristanate < 1.88 umol/L. |
| Units | umol/L |
| Telepath | LGI superset LVLFA. SJUH superset JVLFA. |
