B-370 Toward the Standardization of Homocysteine Testing: A Metrological Framework Based on a Candidate Reference Method and Commutable Candidate Reference Materials
Homocysteine (Hcy) is a critical biomarker for cardiovascular risk stratification. However, significant variability exists among routine detection methods in clinical laboratories across China, as evidenced by external quality assessment data, underscoring an urgent need for standardization to ensure reliable and...