Z93.3

HCC Category Mapping

What This Code Means

A patient has a colostomy, which is a surgically created opening from the colon to the abdominal surface for bowel elimination.

Coding Tips

• •Document the location of the colostomy (ascending, transverse, descending, or sigmoid) if known, as this affects stool consistency
• •Use this code for all encounters where the colostomy is present, and note the reason for creation in the medical record

Clinical Significance

This code represents a major surgical alteration of bowel elimination that significantly affects patient daily functioning and care complexity. Colostomy status requires specialized ostomy care, dietary modifications, and ongoing monitoring for complications such as prolapse, stenosis, and peristomal skin problems.

Documentation Requirements

• ✓Confirmation of active colostomy presence
• ✓Type of colostomy (end, loop, sigmoid, descending)
• ✓Location of colostomy on abdomen
• ✓Indication for colostomy creation
• ✓Current functionality and stool characteristics
• ✓Ostomy care requirements and appliances
• ✓Any complications or skin breakdown
• ✓Planned duration or permanence

Commonly Confused Codes