C19Billable
Malignant neoplasm of rectosigmoid junction
- Chapter
- 2. Neoplasms
- Category
- C19
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code C19?
C19 is an ICD-10-CM diagnosis code for Malignant neoplasm of rectosigmoid junction.
Is C19 a billable code?
Yes. C19 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is C19 in?
C19 falls under Chapter 2: Neoplasms.
When did C19 become effective?
C19 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.