K31.1
BillableAdult hypertrophic pyloric stenosis
K31.1 is the ICD-10-CM code for Adult hypertrophic pyloric stenosis. It is a billable, specific code valid for reimbursement.
K00-K95 Diseases of the digestive system
Includes
- •Pyloric stenosis NOS
Excludes1 — not coded here
- •congenital or infantile pyloric stenosis (Q40.0)
Frequently asked questions
- What is ICD-10 code K31.1?
- K31.1 is the ICD-10-CM code for "Adult hypertrophic pyloric stenosis". It falls under K00-K95 Diseases of the digestive system.
- Is K31.1 a billable code?
- Yes — K31.1 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from K31.1?
- Excludes1 (not coded here): congenital or infantile pyloric stenosis (Q40.0).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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