Osmotic Fragility, RBC

Centralized Core Laboratory:Hematology

Test ID/Workstation: OSFRE MAYO

Specimen Type: Whole blood

Tube Type: Purple top (EDTA)

Collection Volume: patient 4.0 mL (minimum 2.0 mL)
Normal control: 4.0 mL (minimum 2.0 mL)

Cause for rejection: Hemolysis

Storage: Refrigerated

Availability: Sent to Reference Laboratory

Methodology: Osmotic Lysis

Special Instructions: Immediately place specimen on ice after draw.

Draw a control specimen at the same time from a normal, unrelated, non-smoking individual. Clearly write "normal control" on label.

For Outpatients, test should only be drawn in outpatient locations within a Hospital (Akron or Beeghly).

Lab/Phone: 330-543-8418

TAT: 2-5 days

Additional Info: See patient report for Reference Values

CPT Code: 85557

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