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Red Blood Cell Membrane Evaluation, Blood
Test Code93767
CPT Codes
85555, 85557, 86356, 85060
Preferred Specimen
Patient: 4 mL whole blood collected in and EDTA (lavender top) tube and 2 peripheral blood smears (Wright stained or fixed in absolute methanol)
AND
Control specimen other than patient: 4 mL whole blood collected in an EDTA (lavender top) tube
AND
Control specimen other than patient: 4 mL whole blood collected in an EDTA (lavender top) tube
Minimum Volume
Patient: 2 mL • Control specimen other than patient: 2 mL
Instructions
Specimens must arrive within 72 hours of draw.
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.
Forms: Red Cell Membrane Disorders Information Sheet (T706) is available in Special Instruction.
Blood:
1. Immediately refrigerate specimen after draw. Refrigerate at 0° to 4° 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 at refrigerate temperature, carefully following proper handling and shipping instructions.
Additional Information: Patient's age and sex are required.
Slides:
Collect 2 well-made peripheral blood smears (Wright stained or fixed in absolute methanol).
Control:
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° 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 samples at all times to ensure the reliability of testing 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.
Forms: Red Cell Membrane Disorders Information Sheet (T706) is available in Special Instruction.
Blood:
1. Immediately refrigerate specimen after draw. Refrigerate at 0° to 4° 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 at refrigerate temperature, carefully following proper handling and shipping instructions.
Additional Information: Patient's age and sex are required.
Slides:
Collect 2 well-made peripheral blood smears (Wright stained or fixed in absolute methanol).
Control:
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° 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 samples at all times to ensure the reliability of testing results.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 72 Hours
Frozen: Unacceptable
Refrigerated: 72 Hours
Frozen: Unacceptable
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis
Methodology
See individual assays
Setup Schedule
Set up: Mon-Sat; Report available: 4 days
