Pathology for clinicians and medical students: Difference between revisions

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Important points for everyone who may send specimens to pathology:
Important points for everyone who may send specimens to pathology:


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*Don't order '''HbA1c''' in a patient who was '''transfused''' in the last 3 months, and consider a recent transfusion if a patient has a surprisingly normal HbA1c. In such patients, a fructosamine (glycosylated albumin) level is an alternative that is unaffected by transfusion, and reflects blood sugar control over the previous couple of weeks.<ref>{{cite web|url=https://www.clinicaladvisor.com/home/features/advisor-forum/post-transfusion-hba1c/|title=Post-transfusion HbA1c|author=Jennifer E. Frank, MD|website=ClinicalAdvisor}}</ref>
*Don't order '''HbA1c''' in a patient who was '''transfused''' in the last 3 months, and consider a recent transfusion if a patient has a surprisingly normal HbA1c. In such patients, a fructosamine (glycosylated albumin) level is an alternative that is unaffected by transfusion, and reflects blood sugar control over the previous couple of weeks.<ref>{{cite web|url=https://www.clinicaladvisor.com/home/features/advisor-forum/post-transfusion-hba1c/|title=Post-transfusion HbA1c|author=Jennifer E. Frank, MD|website=ClinicalAdvisor}}</ref>
*See also: [https://www.choosingwisely.org/wp-content/uploads/2015/02/ASCP-Choosing-Wisely-List.pdf Thirty five major recommendations on test ordering (Choosing Wisely initiative 2020)]  
*See also: [https://www.choosingwisely.org/wp-content/uploads/2015/02/ASCP-Choosing-Wisely-List.pdf Thirty five major recommendations on test ordering (Choosing Wisely initiative 2020)]  
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