Lab Dept:

Chemistry

Test Name:

TRANSFERRIN

General Information

Lab Order Codes:

TRAF

Synonyms:

Siderophilin

CPT Codes:

84466 - Transferrin

Test Includes:

Transferrin concentration reported in mg/dL.

Logistics

Test Indications:

Transferrin is the principal plasma protein that carries iron from storage, usually in the liver, into the blood for use.

Lab Testing Sections:

Chemistry (all specimens analyzed on the Mpls campus)

Phone Numbers:

Minneapolis:

Saint Paul:

612-813-6280

651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

1 – 4 days, testing performed Tuesday, Wednesday and Friday

Special Instructions:

N/A

Specimen

Specimen Type:

Blood

Container:

Red top (plain, no gel) tube

Draw Volume:

0.6 mL blood

Processed Volume:

0.2 mL serum

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Centrifuge specimen, remove serum aliquot into a plastic sample cup. Specimens can be stored at refrigerated temperatures. Centrifuge turbid or particulate samples prior to analysis.

Patient Preparation:

None

Sample Rejection:

Mislabeled or unlabeled specimen, specimens other than serum, turbid samples that do not clear after centrifugation

Interpretive

Reference Range:

Age:

Range (mg/dL):

<30 days:

91 - 269 mg/dL

1- 6 months:

265 - 370 mg/dL

7 - 12 months:

281 - 340 mg/dL

1 - 2 years:

228 - 349 mg/dL

3 - 4 years:

206 - 370 mg/dL

5 - 6 years:

214 - 370 mg/dL

7 - 20 years:

235 - 374 mg/dL

>20 years:

185 - 370 mg/dL

Critical Values:

N/A

Limitations:

N/A

Methodology:

Nephelometry BN Prospec

References:

Tietz, Norbert (1999) Textbook of Clinical Chemistry, 3^rd edition, Philadelphia, WB Saunders Co., pp 507-509

N Antisera to Human Transferrin and Haptoglobin (May 2008) Package Insert, Siemens Healthcare Diagnostics, Newark, DE