H44.421
BillableHypotony of right eye due to ocular fistula
This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).
What This Code Means
Abnormally low pressure in the right eye caused by an abnormal opening or connection (fistula) in the eye that allows fluid to leak out.
Coding Tips
- •Confirm the hypotony is specifically caused by an ocular fistula, not other causes
- •Document the location and type of fistula if available for complete clinical picture
Code Hierarchy
└H44Disorders of globe└H44.4Hypotony of eye└H44.42Hypotony of eye due to ocular fistula└H44.421Hypotony of right eye due to ocular fistula
└H44.421Hypotony of right eye due to ocular fistula