K31.1
BillableAdult hypertrophic pyloric stenosis
Adult hypertrophic pyloric stenosis
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Pyloric stenosis NOS
Includes
Conditions included under this code
- functional disorders of stomach
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- congenital or infantile pyloric stenosis (Q40.0)
Excludes 2
Conditions not included here, but the patient may have both
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- hiatus hernia (K44.-)
- diabetic gastroparesis (E08.43, E09.43, E10.43, E11.43, E13.43)
- diverticulum of duodenum (K57.00-K57.13)
Also Known As / Clinical Terms
SNOMED CT
- Acquired gastric outlet stenosis13483000
- Acquired hypertrophic pyloric stenosis13483000
- Pyloric antral stenosis25948008
- Peptic ulcer with haemorrhage, with perforation AND with obstruction26221006
- Peptic ulcer with hemorrhage, with perforation AND with obstruction26221006
- Acquired pyloric constriction196760001
- Acquired pyloric stricture196761002
- Acquired stricture of pylorus196761002
- Gastric outflow obstruction244815007
- Pyloric obstruction244815007
- Adult hypertrophic pyloric stenosis266438007
- Acquired nonhypertrophic constriction of pylorus333952004
- PS - Pyloric stenosis367403001
- Pyloric stenosis367403001
- Acquired obstruction of pylorus416605008
- Acquired pyloric obstruction416605008
- Bouveret syndrome431931000124108
- Gastric outlet obstruction due to gallstone431931000124108
UMLS
- Adult hypertrophic pyloric stenosisC2937286
- Adult hypertrophic pyloric stenosis (disorder)C2937286
- Gastric Outlet ObstructionC0034194
- PS - Pyloric stenosisC0034194
- Pyloric StenosisC0034194
- Pyloric stenosisC0034194
- Pyloric stenosis (disorder)C0034194
- Pyloric stenosis NOSC0034194
- Stenosis pyloricC0034194
- Stenosis, PyloricC0034194
- gastric outflow obstructionC0034194
- gastric outlet obstructionC0034194
- pyloric obstructionC0034194
- pyloric stenosesC0034194
- pyloric stenosiC0034194
- pyloric stenosisC0034194
Frequently Asked Questions
What is ICD-10 code K31.1?
ICD-10-CM code K31.1 represents "Adult hypertrophic pyloric stenosis". It is a billable/specific code that can be used on a claim.
Is K31.1 a billable code?
Yes, K31.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K31.1 in?
K31.1 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K31.1?
K31.1 has Excludes1 notes indicating codes that cannot be used together with it, including: congenital or infantile pyloric stenosis (Q40.0).
What SNOMED CT codes does K31.1 map to?
K31.1 maps to 11 SNOMED CT concepts: 13483000, 333952004, 416605008, 196760001, 196761002, and 6 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K31.1?
K31.1 is linked to 2 UMLS Concept Unique Identifiers: C2937286, C0034194. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.