Red Blood Cell Membrane Evaluation, Blood - LG5495


Sunquest Code:MMMISC  
Epic Code:LAB4909Epic Name:Send Outs Misc Test
Methodology:Osmotic lysis; Flow cytometry
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 4-7 days.
Special Instructions:Specimens must arrive within 72 hours of collection. A control specimen from a normal, unrelated, nonsmoking person drawn at the same time as the patient must accompany each sample. Indicate donor gender on the sample.


Collection Instructions

Specimen:Blood and smear
Optimal Volume:4 mL
Minimum\Peds Volume:2 mL
Container:Purple (EDTA), Microscope slides
Collection Instructions:Patient specimen and two well-made peripheral blood smears from the patient sample (Wright stained or fixed in absolute methanol) are required for testing. Also required is a control from an unrelated, nonsmoking individual collected at the same time. Immediately refrigerate specimen after draw.
Causes for Rejection:Hemolysis. Clotted from frozen specimens. Specimens sent without a normal control or peripheral blood smears.


Processing and Shipping

Specimen Processing:Do not process, Refrigerate samples immediately after draw.
Shipping Instructions:Ship at refrigerated temperature. Keep patient sample, smears and normal control together and in the original containers. Indicate gender of the donor on the sample.
Stability:Stability: 72 hours refrigerated.
Test Performed at or Referral Lab Lab Sendouts  (Mayo Medical Laboratories)
Referral Lab number:RBCME


Interpretive

Reference Range:By report.
Use:Investigation of suspected red cell membrane disorder such as hereditary spherocytosis or hereditary pyropoikilocytosis.


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