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.
561 to 600 of 1,117
- K51.514Left sided colitis with abscessBillable
- K51.518Left sided colitis with other complicationBillable
- K51.519Left sided colitis with unspecified complicationsBillable
- K51.8Other ulcerative colitisHeader
- K51.80Other ulcerative colitis without complicationsBillable
- K51.81Other ulcerative colitis with complicationsHeader
- K51.811Other ulcerative colitis with rectal bleedingBillable
- K51.812Other ulcerative colitis with intestinal obstructionBillable
- K51.813Other ulcerative colitis with fistulaBillable
- K51.814Other ulcerative colitis with abscessBillable
- K51.818Other ulcerative colitis with other complicationBillable
- K51.819Other ulcerative colitis with unspecified complicationsBillable
- K51.9Ulcerative colitis, unspecifiedHeader
- K51.90Ulcerative colitis, unspecified, without complicationsBillable
- K51.91Ulcerative colitis, unspecified, with complicationsHeader
- K51.911Ulcerative colitis, unspecified with rectal bleedingBillable
- K51.912Ulcerative colitis, unspecified with intestinal obstructionBillable
- K51.913Ulcerative colitis, unspecified with fistulaBillable
- K51.914Ulcerative colitis, unspecified with abscessBillable
- K51.918Ulcerative colitis, unspecified with other complicationBillable
- K51.919Ulcerative colitis, unspecified with unspecified complicationsBillable
- K52Other and unspecified noninfective gastroenteritis and colitisHeader
- K52.0Gastroenteritis and colitis due to radiationBillable
- K52.1Toxic gastroenteritis and colitisBillable
- K52.2Allergic and dietetic gastroenteritis and colitisHeader
- K52.21Food protein-induced enterocolitis syndromeBillable
- K52.22Food protein-induced enteropathyBillable
- K52.29Other allergic and dietetic gastroenteritis and colitisBillable
- K52.3Indeterminate colitisBillable
- K52.8Other specified noninfective gastroenteritis and colitisHeader
- K52.81Eosinophilic gastritis or gastroenteritisBillable
- K52.82Eosinophilic colitisBillable
- K52.83Microscopic colitisHeader
- K52.831Collagenous colitisBillable
- K52.832Lymphocytic colitisBillable
- K52.838Other microscopic colitisBillable
- K52.839Microscopic colitis, unspecifiedBillable
- K52.89Other specified noninfective gastroenteritis and colitisBillable
- K52.9Noninfective gastroenteritis and colitis, unspecifiedBillable
- K55Vascular disorders of intestineHeader