Q40.0Billable
Congenital hypertrophic pyloric stenosis
- Chapter
- 17. Congenital malformations, deformations and chromosomal abnormalities
- Category
- Q40
- Effective date
- October 1, 2026
Related codes in category Q40
Q40Other congenital malformations of upper alimentary tractQ40.1Congenital hiatus herniaYesQ40.2Other specified congenital malformations of stomachYesQ40.3Congenital malformation of stomach, unspecifiedYesQ40.8Oth congenital malformations of upper alimentary tractYesQ40.9Congenital malformation of upper alimentary tract, unspYes
Frequently asked questions
What is ICD-10 code Q40.0?
Q40.0 is an ICD-10-CM diagnosis code for Congenital hypertrophic pyloric stenosis.
Is Q40.0 a billable code?
Yes. Q40.0 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is Q40.0 in?
Q40.0 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.
When did Q40.0 become effective?
Q40.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Q40.0?
Q40.0 belongs to category Q40, which includes 6 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.