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
What this means — in plain language
MedlinePlus · NIHYour stomach is an organ between your esophagus and small intestine. It is where digestion of protein begins. The stomach has three tasks. It stores swallowed food. It mixes the food with stomach acids. Then it sends the mixture on to the small intestine. Most people have a problem with their stomach at one time or another. Indigestion and heartburn are common problems. You can relieve some stomach problems with…
Read more about Stomach Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
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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