ICD-10-CM
Diseases of the digestive system
Chapter 11, K00-K95. CDC FY2027 file dated June 16, 2026.
License: a US government work, in the public domain (Public Domain Mark 1.0).
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Categories
73 categories in this chapter. Open one, or page through every code below.
- K00Disorders of tooth development and eruption
- K01Embedded and impacted teeth
- K02Dental caries
- K03Other diseases of hard tissues of teeth
- K04Diseases of pulp and periapical tissues
- K05Gingivitis and periodontal diseases
- K06Other disorders of gingiva and edentulous alveolar ridge
- K08Other disorders of teeth and supporting structures
- K09Cysts of oral region, not elsewhere classified
- K11Diseases of salivary glands
- K12Stomatitis and related lesions
- K13Other diseases of lip and oral mucosa
- K14Diseases of tongue
- K20Esophagitis
- K21Gastro-esophageal reflux disease
- K22Other diseases of esophagus
- K23Disorders of esophagus in diseases classified elsewhere
- K25Gastric ulcer
- K26Duodenal ulcer
- K27Peptic ulcer, site unspecified
- K28Gastrojejunal ulcer
- K29Gastritis and duodenitis
- K30Functional dyspepsia
- K31Other diseases of stomach and duodenum
- K35Acute appendicitis
- K36Other appendicitis
- K37Unspecified appendicitis
- K38Other diseases of appendix
- K40Inguinal hernia
- K41Femoral hernia
- K42Umbilical hernia
- K43Ventral hernia
- K44Diaphragmatic hernia
- K45Other abdominal hernia
- K46Unspecified abdominal hernia
- K50Crohn's disease [regional enteritis]
37 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report. Listed second marks a billable manifestation code (its CDC title says it is "classified elsewhere"): code the underlying disease or condition first, then this code.
281 to 320 of 1,117
- K22.8Other specified diseases of esophagusHeader
- K22.81Esophageal polypBillable
- K22.82Esophagogastric junction polypBillable
- K22.89Other specified disease of esophagusBillable
- K22.9Disease of esophagus, unspecifiedBillable
- K23Disorders of esophagus in diseases classified elsewhereListed second
- K25Gastric ulcerHeader
- K25.0Acute gastric ulcer with hemorrhageBillable
- K25.1Acute gastric ulcer with perforationBillable
- K25.2Acute gastric ulcer with both hemorrhage and perforationBillable
- K25.3Acute gastric ulcer without hemorrhage or perforationBillable
- K25.4Chronic or unspecified gastric ulcer with hemorrhageBillable
- K25.5Chronic or unspecified gastric ulcer with perforationBillable
- K25.6Chronic or unspecified gastric ulcer with both hemorrhage and perfBillable
- K25.7Chronic gastric ulcer without hemorrhage or perforationBillable
- K25.9Gastric ulcer, unspecified as acute or chronic, without hemor or perfBillable
- K26Duodenal ulcerHeader
- K26.0Acute duodenal ulcer with hemorrhageBillable
- K26.1Acute duodenal ulcer with perforationBillable
- K26.2Acute duodenal ulcer with both hemorrhage and perforationBillable
- K26.3Acute duodenal ulcer without hemorrhage or perforationBillable
- K26.4Chronic or unspecified duodenal ulcer with hemorrhageBillable
- K26.5Chronic or unspecified duodenal ulcer with perforationBillable
- K26.6Chronic or unspecified duodenal ulcer with both hemorrhage and perfBillable
- K26.7Chronic duodenal ulcer without hemorrhage or perforationBillable
- K26.9Duodenal ulcer, unspecified as acute or chronic, without hemor or perfBillable
- K27Peptic ulcer, site unspecifiedHeader
- K27.0Acute peptic ulcer, site unspecified, with hemorrhageBillable
- K27.1Acute peptic ulcer, site unspecified, with perforationBillable
- K27.2Acute peptic ulcer, site unspecified, with both hemorrhage and perfBillable
- K27.3Acute peptic ulcer, site unspecified, without hemorrhage or perforationBillable
- K27.4Chronic or unspecified peptic ulcer, site unspecified, with hemorrhageBillable
- K27.5Chronic or unspecified peptic ulcer, site unspecified, with perforationBillable
- K27.6Chronic or unspecified peptic ulcer, site unspecified, with both hemor and perfBillable
- K27.7Chronic peptic ulcer, site unspecified, without hemorrhage or perfBillable
- K27.9Peptic ulc, site unspecified, unspecified as ac or chronic, without hemor or perfBillable
- K28Gastrojejunal ulcerHeader
- K28.0Acute gastrojejunal ulcer with hemorrhageBillable
- K28.1Acute gastrojejunal ulcer with perforationBillable
- K28.2Acute gastrojejunal ulcer with both hemorrhage and perforationBillable