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Osmotic Fragility, Erythrocyte

Mnemonic:    [OSM FRG]
Name:    Osmotic Fragility, Erythrocyte
Specimen:    5 mL whole blood from a Green heparin tube. Do not use gel barriers. Also submit 2 blood smears (unstained, air-dried, unfixed) from the heparinized sample. Lavender EDTA is also acceptable.

Refrigerate specimens within 30 minutes of collection.

Collect Sunday - Wednesday. Testing is performed Monday - Friday. Notify lab before drawing.
Minimum Spec:    1 mL
Neonatal Spec:    1 mL of heparin whole blood AND 2 blood smears (unstained, unfixed)
Transport Temp:    Refrigerated
Spec Stability:    Stable 3 days refrigerated.
Ref Lab/Code:    ARUP 2002257
  Method:    Spectrophotometry
Processing Info:    Testing must be performed within 48 hours of collection. Specimens should be received within 24 hours of collection.

Send Sunday - Wednesday only. Collect the sample in the morning to make the noon courier.