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HelpTest Code FOL Folate
Specimen Requirements
Specimen Type: Serum
Container/Tube: Gold Top (SSTII)
Volume: 5.0mL
Minimum Volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 minutes and centrifuge within 2 hours. For non-inhouse samples, please protect sample from light with aluminium foil and send to the Laboratory immediately.
Sample Stability
** Preferred temperatures for storage prior to and during shipping to NUH **
| Specimen Type: | Serum |
|---|---|
| Ambient: | Send the sample to the laboratory immediately |
| Refrigerate: | 7 days |
| Frozen: | 30 days |
Reference Interval
| Age | (nmol/L) |
|---|---|
| 5 days - <1 yr | 23.9 - 45.3 |
| 1 - 2 yrs | 8.7 - 45.3 |
| 3 - 5 yrs | 27.0 - 45.3 |
| 6 - 7 yrs | 29.7 - 45.3 |
| 8 - 11 yrs | 25.9 - 45.3 |
| 12 - 13 yrs | 27.0 - 45.3 |
| 14 - 18 yrs | 18.0 - 45.3 |
| ≥19 yrs | 7.0 - 46.4 |
Days and Times Performed
24 hours, TAT 1 day
Methodology
Chemiluminescent Immunoassay
Service Code
31731
Update
Last updated 16/05/2024
Updated on Methodology.
Unacceptable Condition
| Haemolysis | NA |
|---|---|
| Icterus | NA |
| Lipaemic | NA |
| Others | NA |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Detection of folate deficiency and monitoring of therapy.