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Q42

Non-billable

Congenital absence, atresia and stenosis of large intestine

Q42 is the ICD-10-CM code for Congenital absence, atresia and stenosis of large intestine. It is a non-billable category code — use a more specific child code such as Q42.0 for billing.

Status
Header (non-billable)
Chapter
Q00-Q99
Subcodes
6
Edition
FY2026

Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

Includes

  • •congenital obstruction, occlusion and stricture of large intestine

Frequently asked questions

What is ICD-10 code Q42?
Q42 is the ICD-10-CM code for "Congenital absence, atresia and stenosis of large intestine". It falls under Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities.
Is Q42 a billable code?
No — Q42 is a non-billable header code. Use a more specific child code (such as Q42.0) for billing.
What are the subcodes of Q42?
Q42 has 6 more specific child codes, including Q42.0, Q42.1, Q42.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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