Q42.8

Billable

Congenital absence, atresia and stenosis of other parts of large intestine

HCC Category Mapping

V28HCC 78 — Intestinal Obstruction/Perforation

0.000

What This Code Means

A birth defect involving absence, closure, or abnormal narrowing of other specified parts of the large intestine (colon) not covered by the more specific codes.

Coding Tips

•Use this code for defects of the colon, cecum, or other large intestine segments not specified in Q42.0-Q42.3.
•Clearly document which segment of the large intestine is affected in the medical record.

Clinical Significance

This congenital malformation represents a significant structural abnormality requiring lifelong medical management and potential surgical intervention. These patients often require specialized gastroenterology care and may need complex reconstructive procedures, making accurate coding essential for care coordination and resource allocation.

Documentation Requirements

✓Specific anatomical location of the absence, atresia, or stenosis within the large intestine
✓Whether the condition is complete absence, partial atresia, or stenosis
✓Associated complications or comorbidities
✓Surgical interventions performed or planned
✓Current functional status of the digestive system
✓Evidence of congenital nature (present from birth)
✓Any associated genetic syndromes or chromosomal abnormalities

Commonly Confused Codes

Q42.0-Q42.3 — More specific codes for rectum, anus, and other defined parts of large intestine Q42.9 — Used when the part of large intestine is unspecified rather than 'other parts'K59.00-K59.09 — Acquired constipation or intestinal obstruction, not congenital K92.2 — Gastrointestinal bleeding, which may be a complication but is not the primary congenital condition

Code Hierarchy

└Q42Congenital absence, atresia and stenosis of large intestine └Q42.8Congenital absence, atresia and stenosis of other parts of large intestine

└Q42.8Congenital absence, atresia and stenosis of other parts of large intestine