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ICD-10-CM 2027

ICD-10 code for pylorus obstruction

Choose a code from the options below based on the documentation.

From the official ICD-10-CM alphabetic index entry “Obstruction, obstructed, obstructive › pylorus”. Page updated September 29, 2026.

About coding pylorus obstruction

The official ICD-10-CM index doesn't give a single default code for pylorus obstruction; the code depends on the details below.

More specific pylorus obstruction codes (official index)

  • adult K31.1 — Adult hypertrophic pyloric stenosis
  • congenital Q40.0 — Congenital hypertrophic pyloric stenosis

Common questions about pylorus obstruction ICD-10 codes

What is the ICD-10 code for adult pylorus obstruction?

K31.1 — Adult hypertrophic pyloric stenosis.

What is the ICD-10 code for congenital pylorus obstruction?

Q40.0 — Congenital hypertrophic pyloric stenosis.