| Container: |  |
| Turnaround time: | Urgent 4 hours, Routine 72 hours. |
| Description: | Sickle Screening Test |
| Preparation: | Following venepuncture, mix the sample well to prevent clot formation within . |
| Vessels and Containers: | Purple EDTA 4.5 ml. |
| Sample requirements: | Purple top EDTA 4.5ml specimen bottle. |
| Important Information: | Not performed on infants under the age of 6 months. Sample with Hb S of less than 20% may give false negative results. |
| Transportation and Handling: | Samples which are to be transported by hand or local transport should be dispatched in clearly sealed individual plastic bags. If it is sent from longer distances, the person sending the specimen must ensure that the appropriate specimen container is used. |
| Special Precautions: | Do not expose the blood samples to extreme temperatures . |
| Time limits for requesting additional examinations: | If reticulocyte count or blood film to be added to this request it should be done within 24hrs since the receipt of the sample. |
Positive or Negative.
