1. Alimentary
2. Endocrine
3. Integumental
4. Nervous
5. Pulmonary
6. Urogenital

Alimentary

• Gastroparesis

Cardiovascular

• MI
• Angina
• Chest pain
• Atherosclerosis
• HTN
• Peripheral vascular dz
• Gangrene of lower extremities

Endocrine

• Ketoacidosis
• Islet cell loss

Integumental

• Foot infections

Nervous

• Peripheral neuropathy
• Autonomic neuropathy
• Cataracts
• Retinopathy, blindness
• Cerebral hemorrhage, infarct

Pulmonary

• Mucormycosis of frontal sinuses

Urogenital

• Diabetic nephropathy
• Impotence