K ICD-10-CM Categories: Category Index
Browse 73 top-level ICD-10-CM categories beginning with K, then follow their complete FY 2027 child-code hierarchies.
Categories beginning with K
Open a category to continue through its complete hierarchy of more specific codes.
K00Disorders of tooth development and eruptionK01Embedded and impacted teethK02Dental cariesK03Other diseases of hard tissues of teethK04Diseases of pulp and periapical tissuesK05Gingivitis and periodontal diseasesK06Other disorders of gingiva and edentulous alveolar ridgeK08Other disorders of teeth and supporting structuresK09Cysts of oral region, not elsewhere classifiedK11Diseases of salivary glandsK12Stomatitis and related lesionsK13Other diseases of lip and oral mucosaK14Diseases of tongueK20EsophagitisK21Gastro-esophageal reflux diseaseK22Other diseases of esophagusK23Disorders of esophagus in diseases classified elsewhereK25Gastric ulcerK26Duodenal ulcerK27Peptic ulcer, site unspecifiedK28Gastrojejunal ulcerK29Gastritis and duodenitisK30Functional dyspepsiaK31Other diseases of stomach and duodenumK35Acute appendicitisK36Other appendicitisK37Unspecified appendicitisK38Other diseases of appendixK40Inguinal herniaK41Femoral herniaK42Umbilical herniaK43Ventral herniaK44Diaphragmatic herniaK45Other abdominal herniaK46Unspecified abdominal herniaK50Crohn's disease [regional enteritis]K51Ulcerative colitisK52Other and unspecified noninfective gastroenteritis and colitisK55Vascular disorders of intestineK56Paralytic ileus and intestinal obstruction without herniaK57Diverticular disease of intestineK58Irritable bowel syndromeK59Other functional intestinal disordersK60Fissure and fistula of anal and rectal regionsK61Abscess of anal and rectal regionsK62Other diseases of anus and rectumK63Other diseases of intestineK64Hemorrhoids and perianal venous thrombosisK65PeritonitisK66Other disorders of peritoneumK67Disorders of peritoneum in infectious diseases classified elsewhereK68Disorders of retroperitoneumK6ADiseases of the pelvis, not elsewhere classifiedK70Alcoholic liver diseaseK71Toxic liver diseaseK72Hepatic failure, not elsewhere classifiedK73Chronic hepatitis, not elsewhere classifiedK74Fibrosis and cirrhosis of liverK75Other inflammatory liver diseasesK76Other diseases of liverK77Liver disorders in diseases classified elsewhereK80CholelithiasisK81CholecystitisK82Other diseases of gallbladderK83Other diseases of biliary tractK85Acute pancreatitisK86Other diseases of pancreasK87Disorders of gallbladder, biliary tract and pancreas in diseases classified elsewhereK90Intestinal malabsorptionK91Intraoperative and postprocedural complications and disorders of digestive system, not elsewhere classifiedK92Other diseases of digestive systemK94Complications of artificial openings of the digestive systemK95Complications of bariatric proceduresSource and release
- Data release
- U.S. ICD-10-CM · FY 2027
- Effective date
- Oct 1, 2026
- Publisher
- Vero Scribe Inc.
This category index is generated from Vero’s repository-backed ICD-10-CM hierarchy. Every listed category is a top-level record, and each linked category page exposes its direct child codes.
Frequently asked questions
Which ICD-10-CM categories begin with K?
This index lists 73 top-level categories beginning with K from Vero’s FY 2027 U.S. ICD-10-CM reference dataset.
How do I find a more specific K code?
Open a category below, then follow its linked child-code hierarchy until you reach the code supported by the documentation.
Which ICD-10-CM release does this K index use?
The index uses the FY 2027 U.S. ICD-10-CM release and the repository-backed hierarchy displayed on each linked code page.
Is every K category billable?
No. These are top-level categories used for navigation. Follow the hierarchy to a sufficiently specific code and confirm the active code set, official guidance, and payer requirements.