E13.43

HCC Category Mapping

What This Code Means

A type of diabetes (not type 1 or type 2) causing damage to nerves that control automatic body functions like heart rate, digestion, and blood pressure.

Coding Tips

• •Ensure documentation clearly indicates autonomic nervous system involvement
• •Look for symptoms like orthostatic hypotension, gastroparesis, or cardiac dysfunction

Clinical Significance

E13.43 represents diabetic autonomic neuropathy in other specified diabetes mellitus, affecting the autonomic nervous system and causing dysfunction in cardiovascular, gastrointestinal, genitourinary, and sudomotor systems. Manifestations include orthostatic hypotension, gastroparesis, neurogenic bladder, and anhidrosis, significantly impacting quality of life and increasing mortality risk.

Documentation Requirements

• ✓The provider must document secondary diabetes, autonomic neuropathy, and the specific organ system manifestations.
• ✓Supportive testing such as tilt table results, gastric emptying studies, or heart rate variability assessments strengthens the diagnostic documentation.

Commonly Confused Codes