Lab testing glitch threatens accuracy of diabetes monitoring worldwide

A new study reveals that hemoglobin A1c tests—the gold standard for diabetes diagnosis and management—suffer from previously undocumented quality problems including batch-to-batch inconsistencies and measurement drift. The findings could affect millions of patients globally and force clinical labs to overhaul quality control procedures.

Originaltitel: Factors affecting the evaluation and use of a hemoglobin A₂ method-Lot-to-lot variation, long-term deviation and carry-over