For the laboratory, adhering to M47 is not just about passing accreditation—it is about diagnostic stewardship. A poorly validated PCR can lead to unnecessary antibiotics (false positive) or missed treatment (false negative). Conversely, a properly validated molecular test under M47 guidelines enables targeted therapy, reduced hospital stay, and improved antimicrobial resistance surveillance.
If you run or work in a clinical microbiology laboratory, buy it . If you are a clinician who orders blood cultures, at least read the executive summary or ask your lab to provide a one-page distillation of its key points (collection volume, number of sets, antiseptic technique). M47 is not a casual read, but it is the gold standard reference. clsi m47
A hospital laboratory purchases a commercial panel for 14 bacterial, viral, and fungal targets in CSF. Using CLSI M47: For the laboratory, adhering to M47 is not
Disclaimer: This article is for educational purposes. Always refer to the most current CLSI M47 guideline for official recommendations. If you run or work in a clinical
For ongoing testing, CLSI M47 mandates a three-tier QC system:
