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Geisinger Medical Laboratories Test Catalog
SOLUBLE TRANSFERRIN RECEPTOR |
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ORDERING INFORMATION: |
Geisinger Epic Procedure Code: LAB3071 Geisinger Epic ID: 39173 | |
SPECIMEN COLLECTION |
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Specimen type: |
Serum (preferred) or plasma | |
Preferred collection container: |
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Alternate Collection Container: |
4 mL green/green-top (sodium heparin) tube
3.5 mL gold-top (serum separator) tube
3 mL lavender-top (K2 EDTA) tube
3 mL green/black top lithium heparin tube
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Specimen required: |
1 mL aliquot of serum or plasma; minimum 0.5 mL. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge and transfer serum or plasma specimens to clean, plastic, screw-capped vial(s). Transport on refrigerant coolant. Sample is acceptable up to 3 freeze/thaw cycles. | |
Transport temperature: |
Refrigerated or frozen. Transport on refrigerant coolant. Sample is acceptable up to 3 freeze/thaw cycles. | |
Specimen stability: |
Refrigerated: 7 days. Frozen: 60 days(-20°C). | |
Rejection criteria: |
Hemolyzed specimen. Room temperature specimen. | |
TEST DETAILS |
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Reference interval: |
Altitude-Related Reference Ranges for Soluble Transferrin Receptor, Serum African American 10.6-29.9 mmol living at low altitude, 12.5-31.8 mmol living at high altitude. Non-African American 8.8-28.1 mmol living at low altitude, 0.7-30 living at high altitude Clinical cutoff values (2) Iron deficiency anemia - Greater than ULRR (even during acute response to infection/inflammation). Hyperplastic Erythropoiesis: Greater than ULRR Ineffective Erythropoiesis: Greater than ULRR (e.g., thalassemia, megaloblastic or sideroblastic anemia) Effective increased: Greater than ULRR. Erythropoiesis (e.g., hemolytic anemia with an elevated reticulocyte count; recent blood donation; recent blood loss; last trimester of pregnancy) ULRR=Upper Limit of Reference Range for specific population (e.g., 29.9 nmol/L for African-Americans living <1000 feet above sea level). References (1) Clinical Chemistry 1998; 44:35-39. (2) Reviews available in Clin Chem Lab Med 1999; 37:1-10 and Blood 1997; 89:1052-7. |
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CPT code(s): |
84238 | |
| 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. | ||
Test includes: |
Soluble transferrin receptor. | |
Methodology: |
Nephelometry |
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Synonyms: |
Quest test code 91031 STFR
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