Malignant neoplasm of rectosigmoid junction
- C19 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM C19 became effective on October 1, 2023.
- This is the American ICD-10-CM version of C19 – other international versions of ICD-10 C19 may differ.
Applicable To
- Malignant neoplasm of colon with rectum
- Malignant neoplasm of rectosigmoid (colon)
Type 1 Excludes
- malignant carcinoid tumors of the colon (C7A.02-)
The following code(s) above C19 contain annotation back-references
that may be applicable to C19:
Approximate Synonyms
- Cancer of the rectosigmoid junction
- Cancer of the rectosigmoid, adenocarcinoma
- Carcinoma of the rectosigmoid junction
- Colorectal cancer
- Colorectal cancer, metastatic to brain
- Colorectal malignant neoplasm metastatic to brain
- Overlapping malignant neoplasm of colon and rectum
- Primary adenocarcinoma of rectosigmoid junction
Clinical Information
- A malignant tumor involving the rectum and sigmoid colon. The majority are carcinomas.
- A primary or metastatic malignant neoplasm that affects the rectosigmoid area. Representative examples include carcinoma, lymphoma, and sarcoma.
ICD-10-CM C19 is grouped within Diagnostic Related Group(s) (MS-DRG v41.0):
- 374 Digestive malignancy with mcc
- 375 Digestive malignancy with cc
- 376 Digestive malignancy without cc/mcc
Convert C19 to ICD-9-CMCode History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
Code annotations containing back-references to C19:
- Type 1 Excludes: C18.7