ICD-10-CM Code C21
Malignant neoplasm of anus and anal canal
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.ICD Code C21 is a non-billable code. To code a diagnosis of this type, you must use one of the four child codes of C21 that describes the diagnosis 'malignant neoplasm of anus and anal canal' in more detail.
- C21 Malignant neoplasm of anus and anal canal NON-BILLABLE
The ICD code C21 is used to code Colorectal cancer
Colorectal cancer (also known as colon cancer, rectal cancer, or bowel cancer) is the development of cancer in the colon or rectum (parts of the large intestine). It is due to the abnormal growth of cells that have the ability to invade or spread to other parts of the body. Signs and symptoms may include blood in the stool, a change in bowel movements, weight loss, and feeling tired all the time.
| Specialty: | Oncology |
| MeSH Codes: | , , |
| ICD 9 Codes: | 153.0, 154.0, 154.1 |
Diagram of the lower gastrointestinal tract
Coding Notes for C21 Info for medical coders on how to properly use this ICD-10 code
-
Code Type-2 Excludes:
Type-2 Excludes
Type-2 Excludes means the excluded conditions are different, although they may appear similar. A patient may have both conditions, but one does not include the other. Excludes 2 means "not coded here." - Malignant carcinoid tumors of the colon - instead, use code C7A.02-
- Malignant melanoma of anal margin - instead, use code C43.51
- Malignant melanoma of anal skin - instead, use code C43.51
- Malignant melanoma of perianal skin - instead, use code C43.51
- Other and unspecified malignant neoplasm of anal margin (C44.500, C44.510, C44.520, C44.590) - instead, use code C44.500
- Other and unspecified malignant neoplasm of anal skin (C44.500, C44.510, C44.520, C44.590) - instead, use code C44.500
- Other and unspecified malignant neoplasm of perianal skin (C44.500, C44.510, C44.520, C44.590) - instead, use code C44.500
ICD-10-CM Alphabetical Index References for 'C21 - Malignant neoplasm of anus and anal canal'
The ICD-10-CM Alphabetical Index links the below-listed medical terms to the ICD code C21. Click on any term below to browse the alphabetical index.
ICD-10-CM Neoplasms Index References for 'C21 - Malignant neoplasm of anus and anal canal'
The ICD-10-CM Neoplasms Index links the below-listed medical terms to the ICD code C21. Click on any term below to browse the neoplasms index.