Iron Studies, Plasma

Department

Core Biochemistry

Delphic Registration Code

FEST

Constituent Tests

• Ferritin, Plasma
• Iron, Plasma
• Transferrin Saturation, Plasma
• Transferrin, Plasma
• C-Reactive Protein (CORE) Urgent, Plasma

Synonyms

Iron Saturation
TIBC (Superseded by Iron Studies)

Turnaround Time

3 hours

Test Code

5539

Specimen Type

• Serum
• Plasma

Specimen Requirements

Tube/Container Type:

Preferred

• Lithium Heparin - Non-gel (Green Cap)

Preferred if West Coast

• Lithium Heparin - Gel (Light Green Cap)

Acceptable

• Serum (Red Cap)
• SST II (Gold Cap)
• Lithium Heparin - Gel (Light Green Cap)

Preferred Sample Volume (ml)

4.5

No of Samples Required

1

Additional Specimen Information

Paediatric Specimen - Lithium heparin microtainer

Aliquot Instructions

Sample Type

• Serum
• Plasma

Minimum Volume (ml)

1.0

Transport to Lab

Chilled (2 - 8 degrees Celsius)
If overnight - Chilled (2 - 8 degrees Celsius)

Additional Referral/Aliquot Information

Separate from red cells ASAP. Freeze (-20 deg C) if > 48 hours

Reference Intervals

See individual analytes: Iron, Transferrin, Transferrin Saturation, Ferritin (FER) and CRP

Test Method

Performed on Beckman Coulter analysers using Beckman Coulter reagents.

Contact Canterbury Health Laboratories on +64 3 364 0484 or email LabInfo@cdhb.health.nz

Other markers of iron metabolism which may be considered:

Soluble Transferin Receptor (STFR)

Contact Information

Enquiry Form