G90.89
BillableOther disorders of autonomic nervous system
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Other specified disorders affecting the autonomic nervous system, which controls involuntary body functions like heart rate, blood pressure, and digestion.
Coding Tips
- •Use this code only when a specific autonomic disorder is documented but doesn't fit other G90 categories
- •Document the specific autonomic dysfunction to support medical necessity
Code Hierarchy
└G90Disorders of autonomic nervous system└G90.8Other disorders of autonomic nervous system└G90.89Other disorders of autonomic nervous system
└G90.89Other disorders of autonomic nervous system