Q42
Congenital absence, atresia and stenosis of large intestine
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Instructional notes 1
Q42code
Includes
- congenital obstruction, occlusion and stricture of large intestine
Index entries leading here filed at null
No alphabetic index entry points at this code.
Subordinate codes 6
Q42.0 Congenital absence, atresia and stenosis of rectum w fistula Q42.1 Congen absence, atresia and stenosis of rectum w/o fistula Q42.2 Congenital absence, atresia and stenosis of anus w fistula Q42.3 Congenital absence, atresia and stenosis of anus w/o fistula Q42.8 Congenital absence, atresia and stenosis of prt lg int Q42.9 Congen absence, atresia and stenosis of lg int, part unsp
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.