Q42 — Congenital absence, atresia and stenosis of large intestine
Not billable
Is Q42 billable?
No — Q42 is a non-billable header code. Q42 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 6 billable codes beneath Q42.
Billable codes under this header
- Q42.0Congenital absence, atresia and stenosis of rectum with fistula
- Q42.1Congenital absence, atresia and stenosis of rectum without fistula
- Q42.2Congenital absence, atresia and stenosis of anus with fistula
- Q42.3Congenital absence, atresia and stenosis of anus without fistula
- Q42.8Congenital absence, atresia and stenosis of other parts of large intestine
- Q42.9Congenital absence, atresia and stenosis of large intestine, part unspecified
Q42 at a glance
| Code | Q42 |
|---|---|
| Description | Congenital absence, atresia and stenosis of large intestine |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Includes
Conditions classified to Q42.
- congenital obstruction, occlusion and stricture of large intestine
Excludes2 — not included here — inherited from Chapter 17
The conditions below are not part of Q42, but a patient may have both at the same time. When documentation supports it, Q42 and the excluded code may both be reported.
- inborn errors of metabolism (E70-E88)
What codes fall under Q42? (6)
- Q42.0Congenital absence, atresia and stenosis of rectum with fistula
- Q42.1Congenital absence, atresia and stenosis of rectum without fistula
- Q42.2Congenital absence, atresia and stenosis of anus with fistula
- Q42.3Congenital absence, atresia and stenosis of anus without fistula
- Q42.8Congenital absence, atresia and stenosis of other parts of large intestine
- Q42.9Congenital absence, atresia and stenosis of large intestine, part unspecified
How long has Q42 existed?
Q42 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.