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85555 Rbc osmotic fragility

Pathology & Lab

Also known as: Osmotic fragility test, osmotic resistance test

Osmotic fragility test (incubated or unincubated) measures red blood cell resistance to hypotonic solution, identifying cells with abnormal osmotic properties indicative of hemolytic disorders.

Clinical Context

Primary test for hereditary spherocytosis and other intrinsic red blood cell membrane defects. Helps differentiate hereditary from acquired hemolytic anemias.

RVU Breakdown

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Specialties

HematologyClinical PathologyHemato-Oncology

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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.