Malignant neoplasm of overlapping sites of rectum, anus and anal canal C21.8

The ICD10 code for the diagnosis "Malignant neoplasm of overlapping sites of rectum, anus and anal canal" is "C21.8". C21.8 is a VALID/BILLABLE ICD10 code, i.e it is valid for submission for HIPAA-covered transactions.

  • C21.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM C21.8 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of C21.8 - other international versions of ICD-10 C21.8 may differ.
Applicable To:
  • Malignant neoplasm of anorectal junction
  • Malignant neoplasm of anorectum
  • Primary malignant neoplasm of two or more contiguous sites of rectum, anus and anal canal

Codes: = Billable

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.