Specimen Requirements
Minimum of 1.0 mL serum; alternately 1.0 mL serum from Red Top tube.
Additional sample quantity is required if other tests are ordered.
Supplies for Submission
SST/Gold Top (1); alternately Red Top (1)
Specimen Collection
- For patients receiving therapy with high biotin doses (> 5 mg/day), wait for at least 8 hours following the last biotin administration before collecting samples.
- Samples for amh levels should be drawn on days 2-4 of the menstrual cycle.
- Label serum separator tube (SST) with two identifiers. Acceptable identifiers include patient’s name, date of birth, social security number, requisition number, and medical record number.
- Allow SST contents to clot in an upright position for at least 30 minutes (60 minutes for Red Top tube).
- SST specimen - centrifuge within 2 hours of collection and refrigerate.
- Red Top specimen - centrifuge within 2 hours of collection, transfer serum to a plastic transport tube labelled appropriately and as Red Top serum, and refrigerate.
Storage Requirements
Refrigerated.
Specimens are stable if if stored at room temperature for 3 days, refrigerated for 5 days, or frozen for 6 months.
Causes for Rejections
EDTA plasma specimens or specimens with more than one freeze/thaw cycle are not accepted.