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Iron, TIBC and Ferritin Panel

Test Code


CPT Code(s)

82728, 83540, 83550


Total Iron, Iron Binding Capacity, % Saturation (calculated), Ferritin

Patient Preparation

Samples should be taken in the morning from patients in a fasting state, since iron values decrease by 30% during the course of the day and there can be significant interference from lipemia.

Preferred Specimen(s)

2 mL serum

Minimum Volume

1 mL

Transport Container

Serum Separator Tube (SST®)

Transport Temperature

Room temperature

Specimen Stability

Room temperature: 6 days
Refrigerated: 7 days
Frozen: 28 days

Reject Criteria

Hemolysis • Plasma


Immunoassay (IA) • Spectrophotometry (SP)

Performing Laboratory

Quest Diagnostics LLC
200 Forest Street, 3rd Floor, Suite B
Marlborough, MA 01752-3023

Reference Range(s)

See individual tests

LOINC®' Code(s)

The Result and LOINC information listed below should not be used for electronic interface maintenance with Quest Diagnostics. Please contact the Quest Diagnostics Connectivity Help Desk for more information at 800-697-9302.

NOTE: The codes listed in the table below are not orderable Test Codes.

Result NameLOINC CodeComponent Name
25002600IRON, TOTAL2498-4Iron
25002700IRON BINDING CAPACITY2500-7Iron binding capacity
25002800% SATURATION2502-3Iron saturation
25003100UIBC2501-5Iron binding capacity.unsaturated
25016000LIPEMIA20394-3Sample lipemic
25016100ICTERUS20392-7Sample icteric
25016200HEMOLYSIS20393-5Sample hemolyzed

Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

LOINC assignment is based on a combination of test attributes, including the method used by the performing laboratory. For tests not performed by Quest Diagnostics, codes are assigned by the performing laboratory.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.