Although several diagnostic features exist, below is the most widely accepted: The National Cholesterol Education Program (NCEP) Adult Treatment Panel III (ATP III)
Diagnostic Criteria - 3 or more of the following:
Waist circumference >/=102 cm in men or >/=88 cm in women
Plus 3 of the following:
Fasting blood glucose >/= to 100 mg/dL or requiring treatment for elevated blood glucose
HDL </=40 in men or </=50 in women
TGs >/=150 mg/dL
BP >/= 130/85 or requiring drug treatment for HTN
Waist circumference >/=102 cm in men or >/=88 cm in women
Plus 3 of the following:
Fasting blood glucose >/= to 100 mg/dL or requiring treatment for elevated blood glucose
HDL </=40 in men or </=50 in women
TGs >/=150 mg/dL
BP >/= 130/85 or requiring drug treatment for HTN
Metabolic syndrome
Hypertension
Bariatric surgery complications
Hyperlipidemia
Hyperthyroidism
Hyperglycemia
Diabetes mellitus 
Hypothyroidism