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 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)
Child Codes (5)
Also Known As / Clinical Terms
Frequently Asked Questions
What is ICD-10 code K31.8?
ICD-10-CM code K31.8 represents "Other specified diseases of stomach and duodenum". It 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.
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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.