This comprehensive laboratory package consists of two key tests for assessing glucose metabolism disorders: measuring serum glucose after a defined fasting period, which reflects the body's ability to regulate glucose at baseline, and measuring glycated hemoglobin (HbA1c), a form of hemoglobin that irreversibly binds to glucose throughout the lifespan of a red blood cell (approximately 120 days), providing an approximate average of blood glucose levels over the past two to three months. This package is used for initial diagnosis and for routine follow-up.