Q40.0: Congenital hypertrophic pyloric stenosis
Q40.0 is a billable, specific ICD-10-CM code for congenital hypertrophic pyloric stenosis. It is valid for submission on a claim.
Check Q40.0 with the rest of the claim: free scrubberInclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Congenital constriction
- Congenital hypertrophy
- Congenital spasm
- Congenital stenosis
- Congenital stricture
Other codes that can never be billed with Q40.0
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
Q40.0 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 78 Intestinal Obstruction/Perforation0.326 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
Q40.0 is named in 1 Medicare coverage policy: 1 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A57063Billing and Coding: Diagnostic and Therapeutic Esophagogastroduodenoscopy
Alphabetic index entries that lead here
- Achalasia›pylorus
- Pylorospasm NEC›congenital
- Pylorospasm NEC›newborn
- Constriction›pylorus›congenital
- Constriction›pylorus›newborn
- Hypertrophy, hypertrophic›pylorus›congenital
- Obstruction, obstructed, obstructive›pylorus›congenital
- Spasm, spastic, spasticity›pylorus NEC›congenital
- Stenosis, stenotic›pylorus›congenital
- Stricture›pylorus›congenital
Code history
Unchanged in every release from FY2024 to FY2027.