ICD-10 Code
International Classification of Diseases, 10th Revision
May 25, 2017
  ICD-10 Code for Malignant neoplasm of colon, unspecified C18.9

C18.9 is a valid1 ICD 10 diagnosis code.

C18.9 is valid for submission for HIPAA-covered transactions.

Chapter 2 Neoplasms (C00-D49)
Section C15-C26 Malignant neoplasms of digestive organs (C15-C26)
Category C18 Malignant neoplasm of colon

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Malignant neoplasm of large intestine NOS

Related Terms to “Malignant neoplasm of colon, unspecified”

  • AdenocarcinomaSee also Neoplasm, malignant, by site
    • in
      • adenomatous
        • polyposis coli - C18.9
  • Carcinoma(malignant)See also Neoplasm, by site, malignant
    • in
      • adenomatous
        • polyposis coli - C18.9
  • PolyposisSee also Polyp
    • coli(adenomatous) - D12.6
      • adenocarcinoma in - C18.9
      • carcinoma in - C18.9
See the 2017 ICD-10-CM Coding Guidelines.

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.