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Specimen Collection Manual and Test Catalog

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TRANSFERRIN

Geisinger Epic Procedure Code:  LAB3187    Geisinger Epic ID:  7031

SPECIMEN COLLECTION
Specimen type: 

Plasma or serum


Preferred collection container: 
Specimen required: 

2 mL of plasma or serum; minimum 0.2 mL.


Patient preparation: 

Fasting specimen preferred.



SPECIMEN PROCESSING
Processing instructions: 

Allow serum to clot. Centrifuge to separate serum or plasma within 2 hours of collection.


Transport temperature: 

Refrigerated (preferred). Room temperature or frozen specimen also acceptable.


Specimen stability: 

Room temperature: 8 days. Refrigerated: 8 days. Frozen: 6 months.


Rejection criteria: 

Stability limits exceeded.



TEST DETAILS
Reference interval: 

200-360 mg/dL


CPT code(s):  84466
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Immunoturbidity
Synonyms: 

TRANSF


Clinical significance: 

Transferrin concentration reflects the total iron-binding capacity (TIBC) and is used as an indicator of iron metabolism.


Doctoral Director(s): 
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC
Review Date:  12/27/2024

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