N28.84
BillablePyelitis cystica
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Inflammation of the kidney pelvis with cyst formation, typically resulting from chronic irritation or infection.
Coding Tips
- •Document the underlying cause of pyelitis cystica when known (chronic infection, obstruction, or reflux)
- •Ensure this is not confused with simple pyelitis or other forms of kidney inflammation