Days Set Up
Monday - Saturday
Analytic Time

2 - 5 days

MiChart Code
Osmotic Fragility, RBC (Sendout)
Soft Order Code
OFRAG

Test Updated:

Synonyms

RBC Osmotic Fragility
FRAG
OFRAG
Osmotic Fragility, RBC

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Test Overview

Test Methodology

Osmotic Lysis

Test Usage

Suspected hereditary spherocytic hemolytic anemia.

Reference Range

> or =12 months: 0.50 g/dL NaCl (unincubated): 3-53% hemolysis; 0.60 g/dL NaCl (incubated): 14-74% hemolysis; 0.65 g/dL NaCl (incubated): 4-40% hemolysis; 0.75 g/dL NaCl (incubated): 1-11% hemolysis. Reference values have not been established for patients who are <12 months of age.

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Specimen Requirements

Normal Volume
5 mL whole blood
Minimum Volume
2 mL whole blood

Billing Information

CPT Code
85557
Pro Fee Code
 
LOINC
 

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

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