K31.8
Non-billableOther specified diseases of stomach and duodenum
Other specified diseases of stomach and duodenum
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- functional disorders of stomach
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •hiatus herniaK44
- •diabetic gastroparesis, , , ,E08.43, E09.43, E10.43, E11.43, E13.43
- •diverticulum of duodenumK57.00-K57.13
Child Codes (5)
Related Codes(10)
K31.0Acute dilatation of stomach
K31.1Adult hypertrophic pyloric stenosis
K31.2Hourglass stricture and stenosis of stomach
K31.3Pylorospasm, not elsewhere classified
K31.4Gastric diverticulum
K31.5Obstruction of duodenum
K31.6Fistula of stomach and duodenum
K31.7Polyp of stomach and duodenum
K31.9Disease of stomach and duodenum, unspecified
K31.AGastric intestinal metaplasia
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(1)
Frequently Asked Questions
What is the ICD-10 code for other specified diseases of stomach and duodenum?
The ICD-10-CM code for other specified diseases of stomach and duodenum is K31.8. The full clinical description is "Other specified diseases of stomach and duodenum". K31.8 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K31.8 mean?
ICD-10-CM code K31.8 represents “Other specified diseases of stomach and duodenum”. It is classified under Chapter 11: Diseases of the Digestive System and is a non-billable header code. Use a more specific child code for billing purposes.
Is K31.8 a billable code?
No, K31.8 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 5 child codes under K31.8.
What chapter is K31.8 in?
K31.8 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What are the subcategories under K31.8?
K31.8 has 5 child codes, including: K31.81 (Angiodysplasia of stomach and duodenum), K31.82 (Dieulafoy lesion (hemorrhagic) of stomach and duodenum), K31.83 (Achlorhydria), K31.84 (Gastroparesis), and 1 more.
What are the UMLS CUIs for K31.8?
K31.8 is linked to 1 UMLS Concept Unique Identifier: C0348731. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K31.8 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like other specified diseases of stomach and duodenum affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K31.8?
K31.8 maps to the ICD-11 code: DA7Z (Diseases of the stomach or the duodenum, unspecified).
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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.