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.
601 to 640 of 1,117
- K55.0Acute vascular disorders of intestineHeader
- K55.01Acute (reversible) ischemia of small intestineHeader
- K55.011Focal (segmental) acute ischemia of small intestineBillable
- K55.012Diffuse acute (reversible) ischemia of small intestineBillable
- K55.019Acute ischemia of small intestine, extent unspecifiedBillable
- K55.02Acute infarction of small intestineHeader
- K55.021Focal (segmental) acute infarction of small intestineBillable
- K55.022Diffuse acute infarction of small intestineBillable
- K55.029Acute infarction of small intestine, extent unspecifiedBillable
- K55.03Acute (reversible) ischemia of large intestineHeader
- K55.031Focal (segmental) acute ischemia of large intestineBillable
- K55.032Diffuse acute (reversible) ischemia of large intestineBillable
- K55.039Acute ischemia of large intestine, extent unspecifiedBillable
- K55.04Acute infarction of large intestineHeader
- K55.041Focal (segmental) acute infarction of large intestineBillable
- K55.042Diffuse acute infarction of large intestineBillable
- K55.049Acute infarction of large intestine, extent unspecifiedBillable
- K55.05Acute (reversible) ischemia of intestine, part unspecifiedHeader
- K55.051Focal acute ischemia of intestine, part unspecifiedBillable
- K55.052Diffuse acute ischemia of intestine, part unspecifiedBillable
- K55.059Acute ischemia of intestine, part and extent unspecifiedBillable
- K55.06Acute infarction of intestine, part unspecifiedHeader
- K55.061Focal acute infarction of intestine, part unspecifiedBillable
- K55.062Diffuse acute infarction of intestine, part unspecifiedBillable
- K55.069Acute infarction of intestine, part and extent unspecifiedBillable
- K55.1Chronic vascular disorders of intestineBillable
- K55.2Angiodysplasia of colonHeader
- K55.20Angiodysplasia of colon without hemorrhageBillable
- K55.21Angiodysplasia of colon with hemorrhageBillable
- K55.3Necrotizing enterocolitisHeader
- K55.30Necrotizing enterocolitis, unspecifiedBillable
- K55.31Stage 1 necrotizing enterocolitisBillable
- K55.32Stage 2 necrotizing enterocolitisBillable
- K55.33Stage 3 necrotizing enterocolitisBillable
- K55.8Other vascular disorders of intestineBillable
- K55.9Vascular disorder of intestine, unspecifiedBillable
- K56Paralytic ileus and intestinal obstruction without herniaHeader
- K56.0Paralytic ileusBillable
- K56.1IntussusceptionBillable
- K56.2VolvulusBillable