Q40.0

ICD-10Billable

Congenital hypertrophic pyloric stenosis

Official ICD-10-CM descriptor (FY2026)

Congenital hypertrophic pyloric stenosis

Q40.0 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Congenital or infantile constriction
Congenital or infantile hypertrophy
Congenital or infantile spasm
Congenital or infantile stenosis
Congenital or infantile stricture

Related codes in Q40

Where this code sits

Chapter: 17. Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA0)
Block: Other congenital malformations of the digestive system (Q38-Q45)
Parent code: Q40

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.