ICD-10 Code
International Classification of Diseases, 10th Revision
Aug 18, 2017
  ICD-10 Code for Adult hypertrophic pyloric stenosis K31.1

K31.1 is a valid1 ICD 10 diagnosis code.

K31.1 is valid for submission for HIPAA-covered transactions.

Chapter 11 Diseases of the digestive system (K00-K95)
Section K20-K31 Diseases of esophagus, stomach and duodenum (K20-K31)
Category K31 Other diseases of stomach and duodenum

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Pyloric stenosis NOS
  • congenital or infantile pyloric stenosis (Q40.0)
See also ICD 10 code for

Related Terms to “Adult hypertrophic pyloric stenosis”

  • ConstrictionSee also Stricture
    • pylorus(adult hypertrophic) - K31.1
  • Hypertrophy, hypertrophic
    • pylorus(adult) (muscle) (sphincter) - K31.1
  • Obstruction, obstructed, obstructive
    • gastric outlet - K31.1
    • pylorus
      • adult - K31.1
  • Occlusion, occluded
    • pylorus, adult - K31.1See also Stricture, pylorus
  • Stenosis, stenotic(cicatricial)See also Stricture
    • pylorus(hypertrophic) (acquired) - K31.1
      • adult - K31.1
  • StrictureSee also Stenosis
    • pylorus(hypertrophic) - K31.1
      • adult - K31.1
See the 2017 ICD-10-CM Coding Guidelines.

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.