ICD-10-CM Code K51: Ulcerative colitis and Related Diagnosis Codes.


The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

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Eclaims - ICD-10-CM Tabular Code List v1.0.0

A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

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  • K51 - Ulcerative colitis
    • K51.0 - Ulcerative (chronic) pancolitis
      • K51.00 - Ulcerative (chronic) pancolitis without complications
      • K51.01 - Ulcerative (chronic) pancolitis with complications
        • K51.011 - Ulcerative (chronic) pancolitis with rectal bleeding
        • K51.012 - Ulcerative (chronic) pancolitis with intestinal obstruction
        • K51.013 - Ulcerative (chronic) pancolitis with fistula
        • K51.014 - Ulcerative (chronic) pancolitis with abscess
        • K51.018 - Ulcerative (chronic) pancolitis with other complication
        • K51.019 - Ulcerative (chronic) pancolitis with unspecified complications
    • K51.2 - Ulcerative (chronic) proctitis
      • K51.20 - Ulcerative (chronic) proctitis without complications
      • K51.21 - Ulcerative (chronic) proctitis with complications
        • K51.211 - Ulcerative (chronic) proctitis with rectal bleeding
        • K51.212 - Ulcerative (chronic) proctitis with intestinal obstruction
        • K51.213 - Ulcerative (chronic) proctitis with fistula
        • K51.214 - Ulcerative (chronic) proctitis with abscess
        • K51.218 - Ulcerative (chronic) proctitis with other complication
        • K51.219 - Ulcerative (chronic) proctitis with unspecified complications
    • K51.3 - Ulcerative (chronic) rectosigmoiditis
      • K51.30 - Ulcerative (chronic) rectosigmoiditis without complications
      • K51.31 - Ulcerative (chronic) rectosigmoiditis with complications
        • K51.311 - Ulcerative (chronic) rectosigmoiditis with rectal bleeding
        • K51.312 - Ulcerative (chronic) rectosigmoiditis with intestinal obstruction
        • K51.313 - Ulcerative (chronic) rectosigmoiditis with fistula
        • K51.314 - Ulcerative (chronic) rectosigmoiditis with abscess
        • K51.318 - Ulcerative (chronic) rectosigmoiditis with other complication
        • K51.319 - Ulcerative (chronic) rectosigmoiditis with unspecified complications
    • K51.4 - Inflammatory polyps of colon
      • K51.40 - Inflammatory polyps of colon without complications
      • K51.41 - Inflammatory polyps of colon with complications
        • K51.411 - Inflammatory polyps of colon with rectal bleeding
        • K51.412 - Inflammatory polyps of colon with intestinal obstruction
        • K51.413 - Inflammatory polyps of colon with fistula
        • K51.414 - Inflammatory polyps of colon with abscess
        • K51.418 - Inflammatory polyps of colon with other complication
        • K51.419 - Inflammatory polyps of colon with unspecified complications
    • K51.5 - Left sided colitis
      • K51.50 - Left sided colitis without complications
      • K51.51 - Left sided colitis with complications
        • K51.511 - Left sided colitis with rectal bleeding
        • K51.512 - Left sided colitis with intestinal obstruction
        • K51.513 - Left sided colitis with fistula
        • K51.514 - Left sided colitis with abscess
        • K51.518 - Left sided colitis with other complication
        • K51.519 - Left sided colitis with unspecified complications
    • K51.8 - Other ulcerative colitis
      • K51.80 - Other ulcerative colitis without complications
      • K51.81 - Other ulcerative colitis with complications
        • K51.811 - Other ulcerative colitis with rectal bleeding
        • K51.812 - Other ulcerative colitis with intestinal obstruction
        • K51.813 - Other ulcerative colitis with fistula
        • K51.814 - Other ulcerative colitis with abscess
        • K51.818 - Other ulcerative colitis with other complication
        • K51.819 - Other ulcerative colitis with unspecified complications
    • K51.9 - Ulcerative colitis, unspecified
      • K51.90 - Ulcerative colitis, unspecified, without complications
      • K51.91 - Ulcerative colitis, unspecified, with complications
        • K51.911 - Ulcerative colitis, unspecified with rectal bleeding
        • K51.912 - Ulcerative colitis, unspecified with intestinal obstruction
        • K51.913 - Ulcerative colitis, unspecified with fistula
        • K51.914 - Ulcerative colitis, unspecified with abscess
        • K51.918 - Ulcerative colitis, unspecified with other complication
        • K51.919 - Ulcerative colitis, unspecified with unspecified complications

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.