Criteria for Specimen Rejection than Labelling Discrepancies) Insufficient Clotted Incorrect Age of Specimen Incorrect Leaking Inappropriate Department Specimen Specimen Test Request Type Haematology ● ● ● ●FBC>2hrs ● ● ● Blood films >8hrs* Coagulation ● ● ● ● ●>4hrs ● ● ● > 24 hrs at RT Blood ● ● ● ● ● ● ● Transfusion Biochemistry ● ● ● ● ●>24hrs ● ● ● Endocrinology ● ● ● ● ● ● ● Microbiology Urines>24hrs ● ● ● ● ● ● ● Semen for Infertility >2hrs Post Vasectomy Samples >3 days Viral Load >24hrs Virology ● ● ● ● ● ● ● serology Histology N/A N/A N/A N/A N/A N/A N/A N/A Cytology N/A N/A N/A N/A N/A N/A N/A N/A *Specimens must be kept refrigerated. These are the most common reasons for specimen rejection. It is not possible to document every probable situation. However if the medical scientist considers that the specimen quality will adversely affect the test result the specimen will be rejected. Histology laboratory does not reject any specimens. Microbiology and Biochemistry will not reject CSF samples.
Criteria for Specimen Rejection than Labelling Discrepancies) Department Insufficient Specimen Clotted Incorrect Specimen Type Age of Specimen Incorrect Leaking Inappropriate Test Request Haematology ● ● ● ●FBC>2hrs Blood films >8hrs* ● ● ● Coagulation ● ● ● ● ●>4hrs ● ● ● Blood Transfusion ● ● ● ● > 24 hrs at RT ● ● ● Biochemistry ● ● ● ● ●>24hrs ● ● ● Endocrinology ● ● ● ● ● ● ● Microbiology ● ● ● ● Urines>24hrs Semen for Infertility >2hrs Post Vasectomy Samples >3 days Viral Load >24hrs ● ● ● Virology serology ● ● ● ● ● ● ● Histology N/A N/A N/A N/A N/A N/A N/A N/A Cytology N/A N/A N/A N/A N/A N/A N/A N/A *Specimens must be kept refrigerated. These are the most common reasons for specimen rejection. It is not possible to document every probable situation. However if the medical scientist considers that the specimen quality will adversely affect the test result the specimen will be rejected. Histology laboratory does not reject any specimens. Microbiology and Biochemistry will not reject CSF samples.
The%20Pathology%20Department%20User%20Manual%202017.docx