N99.524

HCC Category Mapping

What This Code Means

Narrowing or tightening of an opening created surgically for urine drainage that allows urine to leak continuously.

Coding Tips

• •This code is specific to incontinent stomas; verify the stoma type in documentation before coding
• •Stenosis indicates a stricture or narrowing; ensure this is documented rather than other stoma complications

Clinical Significance

Stenosis of an incontinent urinary stoma creates significant drainage impairment that can lead to urinary retention, infection, and kidney damage. This complication often requires surgical intervention or dilation procedures to restore adequate stoma caliber.

Documentation Requirements

• ✓Documentation of incontinent external urinary stoma presence
• ✓Evidence of stoma narrowing or stricture
• ✓Degree of stenosis if measured
• ✓Impact on urinary drainage
• ✓Associated symptoms (decreased output, backup, pain)
• ✓Diagnostic studies performed (cystoscopy, imaging)
• ✓Treatment interventions (dilation, revision)

Commonly Confused Codes