Web: | mayocliniclabs.com |
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Email: | mcl@mayo.edu |
Telephone: | 800-533-1710 |
International: | +1 855-379-3115 |
Values are valid only on day of printing. |
Osmotic fragility and eosin-5-maleimide (EMA) binding (Band3) flow cytometry testing will always be performed. A normal shipping control is necessary to exclude false-positive results due to preanalytical artifact. Testing will be canceled if no shipping control is received or if the shipping control is abnormal. A consultative interpretation will be provided.
See Benign Hematology Evaluation Comparison in Special Instructions.
Specimens must arrive within 72 hours of draw.
Include recent transfusion information.
Include most recent CBC results.
A whole blood EDTA specimen, an EDTA control specimen, and 2 well-made peripheral blood smears (Wright stained or fixed in absolute methanol) are required for testing.
Specimen Type: Blood
Container/Tube: Lavender top (EDTA)
Specimen Volume: 4 mL
Collection Instructions:
1. Immediately refrigerate specimen after draw. Refrigerate at 0 to 4 degrees C. Do not freeze. Freezing causes sample lysis, and tests will not be performed on hemolyzed specimens.
2. Send specimen in original tube. Do not aliquot.
3. Rubber band patient specimen and control vial together. Control must accompany the patient sample at all times to ensure the reliability of testing results.
4. Be sure specimen and control are stored and transported together at refrigerate temperature, carefully following proper handling and shipping instructions.
Patient:
Specimen Type: Slides
Container/Tube: Blood smears
Specimen Volume: 2 well-made peripheral blood smears
Collection Instructions: Collect 2 well-made peripheral blood smears (Wright stained or fixed in absolute methanol).
Normal Shipping Control:
Specimen Type: Whole blood
Container/Tube: Lavender top (EDTA)
Specimen Volume: 4 mL
Collection Instructions:
1. Draw a control specimen from a normal (healthy), unrelated, nonsmoking person at the same time as the patient.
2. Label clearly on outermost label normal control.
3. Immediately refrigerate specimen after draw. Refrigerate at 0 to 4 degrees C. Do not freeze. Freezing causes sample lysis, and tests will not be performed on hemolyzed specimens.
4. Send specimen in original tube. Do not aliquot.
5. Rubber band patient specimen and control vial together. Control must accompany the patient sample at all times to ensure the reliability of testing results.
1. Metabolic Hematology Patient Information (T810) in Special Instruction
2. If not ordering electronically, complete, print, and send a Benign Hematology Test Request Form (T755) with the specimen.
Gross hemolysis | Reject |
Other | Clotted Frozen |
Specimen Type | Temperature | Time | Special Container |
---|---|---|---|
Control | Refrigerated | 72 hours | PURPLE OR PINK TOP/EDTA |
Whole Blood EDTA | Refrigerated | 72 hours | |
Whole Blood Slide | Refrigerated | CARTRIDGE |