Red Blood Cell Membrane Evaluation, Blood
| Abbrev Code: | MMMISC | ||
| Order Code: | LAB4909 | Order Name: | Send Outs Misc Test |
| Methodology: | Osmotic lysis; Flow cytometry | ||
| CPT Codes: | 88184 x1, 85557 x1, 85060 x1 | ||
| 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. Label control tube on outermost label as "normal control". |
| 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: | 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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