| Faecal Occult Blood/FOB (FIT) | FIT | Faecal | 5 days |
| Ferritin | FERR | SST/Serum | 48 hours |
| Folate | FOL | SST/Serum | 48 hours |
| FT3 | FT3 | SST/Serum | 48 hours |
| FT4 | FT4 | SST/Serum | 48 hours |
| FSH | FSH | SST/Serum | 48 hours |
| Free PSA | FPSA | SST/Serum | 48 hours |
| Full Blood Count (full diff) | FBC | EDTA | 24 hours |