K26.9
BillableDuodenal ulcer, unsp as acute or chronic, w/o hemor or perf
Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation
Coding Notes
Includes
Conditions included under this code
- erosion (acute) of duodenum
- duodenum ulcer (peptic)
- postpyloric ulcer (peptic)
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- peptic ulcer NOS (K27.-)
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.-)
Use Additional Code
Additional codes that should follow this code
- code to identify:
- alcohol abuse and dependence (F10.-)
Also Known As / Clinical Terms
SNOMED CT
- Chronic inflammatory small bowel disease6382002
- Familial hypergastrinaemic duodenal ulcer6761005
- Familial hypergastrinemic duodenal ulcer6761005
- Familial duodenal ulcer associated with rapid gastric emptying16516008
- Duodenal ulcer without haemorrhage AND without perforation but with obstruction18169007
- Duodenal ulcer without hemorrhage AND without perforation but with obstruction18169007
- Duodenal ulcer with increased serum pepsinogen I29755007
- Duodenal ulcer without haemorrhage, without perforation AND without obstruction34580000
- Duodenal ulcer without hemorrhage, without perforation AND without obstruction34580000
- Peptic ulcer without haemorrhage, without perforation AND without obstruction38365000
- Peptic ulcer without hemorrhage, without perforation AND without obstruction38365000
- Childhood duodenal ulcer43035002
- Abnormality of secretion of gastrin47344007
- DU - Duodenal ulcer51868009
- DUD - Duodenal ulcer disease51868009
- Duodenal ulcer51868009
- Duodenal ulcer disease51868009
- Ulcer of duodenum51868009
- Abnormal hormone secretion53439008
- Disorder of hormone secretion53439008
- Duodenal ulcer without haemorrhage AND without perforation56776001
- Duodenal ulcer without hemorrhage AND without perforation56776001
- Giant duodenal ulcer68834009
- Normopepsinogenaemic familial duodenal ulcer76338009
- Normopepsinogenemic familial duodenal ulcer76338009
- Postbulbar duodenal ulcer78054007
- Postpyloric ulcer78054007
- Combined gastric AND duodenal ulcer79806007
- Recurrent duodenal ulcer196671008
- Stress ulcer of duodenum235688009
- Duodenal erosion235692002
- Chronic duodenitis235693007
- Nonspecific duodenitis235693007
- Ulcer of anastomosis447408004
- Essential tremor609558009
- Hereditary essential tremor609559001
- Disorder of intestine caused by non-steroidal anti-inflammatory drug700425005
- NSAID (non-steroidal anti-inflammatory drug) induced enteropathy700425005
- Non-steroidal anti-inflammatory drug-induced enteropathy700425005
- Eosinophilic duodenitis717873003
- Lymphocytic duodenitis717874009
- Eosinophilic duodenal ulcer717878007
- Lymphocytic duodenal ulcer717879004
- Duodenal ulcer due to Zollinger-Ellison syndrome717892001
- Duodenal ulcer caused by NSAID (non-steroidal anti-inflammatory drug)722200003
- Duodenal ulcer caused by non-steroidal anti-inflammatory drug722200003
- Duodenal ulcer induced by NSAID (non-steroidal anti-inflammatory drug)722200003
- Duodenal ulcer induced by non-steroidal anti-inflammatory drug722200003
- NSAID-induced duodenal ulcer722200003
- Ulcer of small intestine caused by radiation722537008
- Bacterial duodenal ulcer723884008
- Duodenal ulcer caused by bacterium723884008
- Duodenal ulcer caused by H. pylori (Helicobacter pylori)724528009
- Duodenal ulcer caused by Helicobacter pylori724528009
- Helicobacter pylori associated duodenal ulcer724528009
- Drug-induced duodenal ulcer724529001
- Duodenal ulcer caused by drug724529001
- Duodenal ulcer caused by Helicobacter pylori and non-steroidal anti-inflammatory agent724530006
- Helicobacter pylori associated and drug-induced duodenal ulcer724530006
- Duodenal ulcer caused by ionising radiation724531005
- Duodenal ulcer caused by ionizing radiation724531005
- Radiation duodenal ulcer724531005
- Ulcer of duodenum caused by ionising radiation724531005
- Ulcer of duodenum caused by ionizing radiation724531005
- Chemical duodenal ulcer724532003
- Ulcer of duodenum caused by chemical724532003
- Duodenal ulcer caused by virus724533008
- Viral duodenal ulcer724533008
- Duodenal ulcer caused by fungus724534002
- Fungal duodenal ulcer724534002
- Infection causing ulcer of duodenum762276009
- Infectious duodenal ulcer762276009
- Ulcer of duodenum due to infection762276009
- Neuhauser Daly Magnelli syndrome782935003
- Tremor, nystagmus, duodenal ulcer syndrome782935003
- Duodenal ulcer caused by platelet aggregation inhibitor840591006
- Duodenal ulcer induced by platelet aggregation inhibitor840591006
- Platelet aggregation inhibitor-induced duodenal ulcer840591006
- Cancerous ulcer870711002
- Malignant ulcer870711002
- Ulcer due to cancer870711002
- Ulcer of intestine due to IgA vasculitis871631000
- Ulcer of intestine due to immunoglobulin A vasculitis871631000
- Duodenal ulcer caused by disease caused by parasite1177073003
- Parasitic duodenal ulcer1177073003
- Eosinophilic enteritis of small intestine1193808000
- Eosinophilic inflammation of small intestine1193808000
- Duodenal ulcer due to vasculitis1197685001
- Ulcer of duodenum due to vasculitis1197685001
- Vasculitic duodenal ulcer1197685001
- Duodenal ulcer due to IgA (immunoglobulin A) vasculitis1197688004
- Ulcer of duodenum due to immunoglobulin A vasculitis1197688004
- Duodenal ulcer due to sarcoidosis1197690003
- Sarcoid duodenal ulcer1197690003
- Ulcer of duodenum due to sarcoidosis1197690003
- Duodenal ulcer due to celiac disease1197691004
- Duodenal ulcer due to coeliac disease1197691004
- Ulcer of duodenum due to celiac disease1197691004
- Ulcer of duodenum due to coeliac disease1197691004
- Duodenal ulcer due to Crohn disease1197692006
- Ulcer of duodenum due to Crohn disease1197692006
- Alcohol-induced duodenal ulcer1197724009
- Duodenal ulcer caused by alcohol1197724009
- Gastroduodenal disorder3411000119107
- Hypergastrinaemia367641000119101
- Hypergastrinemia367641000119101
- Increased gastrin secretion367641000119101
Frequently Asked Questions
What is ICD-10 code K26.9?
ICD-10-CM code K26.9 represents "Duodenal ulcer, unspecified as acute or chronic, without hemorrhage or perforation". It is a billable/specific code that can be used on a claim.
Is K26.9 a billable code?
Yes, K26.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K26.9 in?
K26.9 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K26.9?
K26.9 has Excludes1 notes indicating codes that cannot be used together with it, including: peptic ulcer NOS (K27.-).
Are additional codes required with K26.9?
Yes, when using K26.9 you should also code: code to identify:; alcohol abuse and dependence (F10.-).
What SNOMED CT codes does K26.9 map to?
K26.9 maps to 54 SNOMED CT concepts: 53439008, 47344007, 1197724009, 723884008, 870711002, and 49 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K26.9?
K26.9 is linked to 1 UMLS Concept Unique Identifier: C0494727. 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.