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free hemoglobin in serum/plasma
Reference interval:
- < 1 mg/dL
Clinical significance:
- hemoglobin is an erythrocyte protein & is not normally present in serum or plasma
- hemoglobin in plasma thus derives from erythrocyte hemolysis
Increases:
- erythrocyte hemolysis
Notes:
- both CPT & Loinc have codes for hemoglobin in serum/plasma
Related
hemoglobin
hemoglobin (Hgb) in blood
General
free hemoglobin in body fluid
References
- Hemoglobin, Serum
Laboratory Test Directory ARUP: 20057
- Hemoglobin, Plasma
Laboratory Test Directory ARUP: 20058