K31.9
BillableDisease of stomach and duodenum, unspecified
Disease of stomach and duodenum, unspecified
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)
Also Known As / Clinical Terms
SNOMED CT
- Gastric dysplasia20915006
- Stomach dysplasia20915006
- Disorder of stomach29384001
- Gastropathy29384001
- Disorder of duodenum52182008
- Duodenal disease52182008
- Drug-induced gastritis52305004
- Gastritis medicamentosa52305004
- NSAID-associated gastropathy62473009
- Non-steroidal anti-inflammatory drug-associated gastropathy62473009
- Nonsteroidal anti-inflammatory drug-associated gastropathy62473009
- Lesion of stomach300296006
- Stomach problem300306001
- Mild stomach dysplasia308853007
- Moderate stomach dysplasia308855000
- Severe stomach dysplasia308856004
- Reactive gastropathy399379004
- Erosive duodenopathy413211007
- Erosive gastropathy413216002
- Hypertrophic gastropathy413219009
- Papulous gastropathy413220003
- Gastric mucosal lesion879977008
- Lesion of gastric mucosa879977008
- Gastroduodenal disorder3411000119107
Frequently Asked Questions
What is ICD-10 code K31.9?
ICD-10-CM code K31.9 represents "Disease of stomach and duodenum, unspecified". It is a billable/specific code that can be used on a claim.
Is K31.9 a billable code?
Yes, K31.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K31.9 in?
K31.9 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What SNOMED CT codes does K31.9 map to?
K31.9 maps to 17 SNOMED CT concepts: 52182008, 29384001, 52305004, 413211007, 413216002, and 12 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K31.9?
K31.9 is linked to 1 UMLS Concept Unique Identifier: C0494741. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
Automate ICD-10 Coding With AI
Send clinical text to the AutoICD API and get back structured ICD-10 codes with confidence scores. Integrates into any EHR or billing system in minutes.
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.