E09.51

HCC Category Mapping

What This Code Means

Diabetes caused by medications or chemicals that damages blood vessels in the legs and feet, reducing blood flow without tissue death.

Coding Tips

• •Document the location and severity of peripheral vascular disease
• •Use E09.52 if gangrene is present; E09.51 is specifically for cases without gangrene

Clinical Significance

Drug or chemical induced diabetes mellitus with diabetic peripheral angiopathy without gangrene represents macrovascular disease in the extremities caused by drug-induced diabetes, without tissue necrosis. Peripheral arterial disease in diabetic patients is characterized by accelerated atherosclerosis, particularly in the tibial and peroneal arteries. It significantly increases the risk of claudication, non-healing wounds, and eventual amputation, making early detection and intervention critical.

Documentation Requirements

• ✓The causative drug or chemical must be identified.
• ✓Documentation should include vascular examination findings such as diminished pulses, ankle-brachial index results, or arterial duplex ultrasound findings.
• ✓The absence of gangrene must be explicitly stated.
• ✓Symptoms such as claudication, rest pain, or skin changes should be described.

Commonly Confused Codes