D01.1Billable
Carcinoma in situ of rectosigmoid junction
- Chapter
- 2. Neoplasms
- Category
- D01
- Effective date
- October 1, 2026
Related codes in category D01
D01Carcinoma in situ of other and unspecified digestive organsD01.0Carcinoma in situ of colonYesD01.2Carcinoma in situ of rectumYesD01.3Carcinoma in situ of anus and anal canalYesD01.4Carcinoma in situ of other and unsp parts of intestineD01.40Carcinoma in situ of unspecified part of intestineYesD01.49Carcinoma in situ of other parts of intestineYesD01.5Carcinoma in situ of liver, gallbladder and bile ductsYesD01.7Carcinoma in situ of other specified digestive organsYesD01.9Carcinoma in situ of digestive organ, unspecifiedYes
Frequently asked questions
What is ICD-10 code D01.1?
D01.1 is an ICD-10-CM diagnosis code for Carcinoma in situ of rectosigmoid junction.
Is D01.1 a billable code?
Yes. D01.1 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is D01.1 in?
D01.1 falls under Chapter 2: Neoplasms.
When did D01.1 become effective?
D01.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to D01.1?
D01.1 belongs to category D01, which includes 10 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.