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HelpTest Code TRF Transferrin
Laboratory Code
LAB133
Specimen Requirements
Submit only one of the following:
Preferred
Specimen Type: Serum
Container/Tube: Gold Top (SSTII)
Volume: 5.0 mL
Minimum Volume: 0.5 mL serum
Collection Instructions: Allow specimen to clot for 30 mins and centrifuge within 2 hrs.
Acceptable
Specimen Type: Plasma
Container/Tube: Green Top (Li Heparin/PST)
Volume: 4.5 mL
Minimum Volume: 0.5 mL plasma
Collection Instructions: Centrifuge within 2 hrs.
Specimen Stability
| Specimen Type | Serum |
|---|---|
| Ambient | 3 days |
| Refrigerate | 3 days |
| Frozen | 6 months |
Methodology
Immunoturbidimetry
Days and Times Performed
24 hrs, TAT 1 day
Specimen Condition
| Haemolysis | OK |
|---|---|
| Icterus | OK |
| Gross Lipaemia | Alert/Reject |
| Others | Not applicable |
Reference Interval
| Age | Male | Female |
|---|---|---|
| 0 – 8 wks | 1.04 – 2.24 g/L | |
| 9 wks – < 1 yr | 1.07 – 3.24 g/L | |
| 1 – 18 yrs | 2.20 – 3.37 g/L | |
| 19 – 59 yrs | 1.74 – 3.64 g/L | 1.80 – 3.82 g/L |
| 60 – 79 yrs | 1.63 – 3.44 g/L | 1.73 – 3.60 g/L |
Testing Laboratory
National University Hospital
Clinical Chemistry, 67724346
Useful For
Differential diagnosis of anaemia.
Decreased level is seen in protein-calorie malnutrition, liver dysfunction or acute inflammation.
Service Code
31272
LOINC Code Information
3034-6
Alias
Iron Binding Protein
TRSF
Update
Last updated 13/03/2025