Iron Studies

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Testing Laboratories

Waitematā | Northshore Hospital
Waitematā | Waitakere Hospital

Department

Chemical Pathology

Delphic Registration Code (Alpha Code)

FES

Test Code (Numeric Code)

0352

Laboratory Handling

Sample Stability

48 hours

Synonyms

Fe Studies
Iron Group (Blood)
TIBC (Total Iron Binding Capacity)
Ferritin and Fe/IBC

Turnaround Time

2 hours

Specimen Type

  • Plasma
  • Serum

Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin - Non-gel (Green Cap)
Preferred if Waitākere
  • Lithium Heparin - Non-gel (Green Cap)
  • SST II (Gold Cap)
Acceptable
  • Plain (Red Top)
  • SST II (Gold Cap)
Preferred Sample Volume (ml)

4

Minimum Sample Volume (ml)

1

Paediatric Specimen Requirements

Tube/Container Type:

Preferred
  • Lithium Heparin PST- Gel (Light Green Cap)
Acceptable
  • Plain (Red Top)
  • SST II (Gold Cap)
Minimum Sample Volume (ml)

0.4

Pre-testing Requirements

A morning (0800 - 0900 hour) specimen, clinical details and current drug therapy is essential for overall interpretation

Additional Specimen Information

2 samples preferred for Waitakere (1 Heparin and 1 SST)

Last updated: 06/05/2026