C21.8 - Malignant neoplasm of overlapping sites of rectum, anus and anal canal
- Applicable to Malignant neoplasm of overlapping sites of rectum, anus and anal canal
- The 2025 edition of ICD10-CM C21.8 became effective on October 1, 2024.
- This is the American ICD10-CM version of C21.8 - other international versions of ICD10 C21.8 may differ.
- C21.8 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Inclusion terms help to clarify and specify the conditions or diseases covered by a particular ICD-10-CM code.
Inclusion Term:
- Malignant neoplasm of anorectal junction
- Malignant neoplasm of anorectum
- Primary malignant neoplasm of two or more contiguous sites of rectum, anus and anal canal
Billable/Specific Code
The following codes above C21.8 contain annotation back-references that may be applicable to C21.8:
- Chapter: C00-D49 - Neoplasms
- Section: C15-C26 - Malignant neoplasms of digestive organs
- Category: C21 - Malignant neoplasm of anus and anal canal
Browse other similar CM codes:
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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