What an elevated serum B12 represents, and why no single threshold exists A serum B12 reflects vitamin bound to transport proteins in the blood, not the amount that has reached the tissues, and the threshold for calling it high shifts with the assay, the laboratory, reference interval, and the unit on the report
This is evidenced by elevated urinary urate excretion and a fractional excretion exceeding 5.5%
When to Schedule a Prompt Outpatient Evaluation Repeated or worsening bruising without a clear cause, new bruises in a person taking blood-thinning medications, or bruises accompanied by systemic symptoms (fatigue, fever, weight loss) should prompt urgent outpatient evaluation
TorzewskiJHeiglFZimmermannOWagnerFSchumannCHettichRet alFirst-in-man: case report of selective c-reactive protein apheresis in a patient with SARS-CoV-2 infection
Clin Exp Med 20:493506 Gogoleva VS, Drutskaya MS, Atretkhany KSN (2019) The role of microglia in the homeostasis of the central nervous system and neuroinflammation
