This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
All are recommended as pa of comprehensive medical care for patients with diabetes, except 
Select and explain. 
A. HbA1c testing, 2-4 times per year, B. Annual nutrition education, C. Blood insulin levels annually, D. Annual lipid profile
C: Blood insulin levels annually
Answer: C: Blood insulin levels annually 
Explanation: Guidelines for Ongoing, Comprehensive Medical Care for Patients with DiabetesOptimal and individualized glycemic controlSelf-monitoring of blood glucose (individualized frequency)HbA1c testing (2-4 times/year)Patient education in diabetes management (annual); diabetes-self management education and suppoMedical nutrition therapy and education (annual)Eye examination (annual or biannual)Foot examination (1-2 times/year by physician; daily by patient)Screening for diabetic nephropathy (annual)Blood pressure measurement (quaerly)Lipid profile and serum creatinine (estimated GFR) (annual)Influenza/pneumococcal/hepatitis B immunizationsConsider antiplatelet therapy Ref: Harrison 19e pg: 2408