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Pre-Analytical Error
Defining when errors occur
| error | when |
|---|---|
| Patient Misidentification | Before Collection |
| Prolonged Tourniquet Time | During Collection |
| Mislabeled Specimen | After Collection |
| Improper Site Preparation | Before Collection |
| Improper Needle Size | During Collection |
| Failure to Invert | After Collection |
| Incorrect Collection Time | Before Collection |
| Insufficient Blood Flow | During Collection |
| Vigorous Mixing | After Collection |
| Patient Failure to Fast | Before Collection |
| Incorrect Needle Placement | During Collection |
| Incorrect Centrifugation | After Collection |
| Exercise Interference | Before Collection |
| Incorrect Needle Removal | During Collection |
| Failure to Centrifuge | After Collection |
| Medication Interference | Before Collection |
| Incorrect Order of Draw | During Collection |
| Failure to Aliquot | After Collection |
| Poor Coordination with Other Treatments | Before Collection |
| Incorrect Collection Tube | During Collection |
| Exposure to Light | After Collection |
| Insufficient Quantity | During Collection |
| Failure to Maintain Correct Temperature | After Collection |