D01.1 is the ICD-10 code for Carcinoma in situ: Rectosigmoid junction. It is a four-character subcategory of D01 (Carcinoma in situ of other and unspecified digestive organs), the most specific level in the WHO edition. It belongs to the block D00–D09 (In situ neoplasms) in Chapter II, Neoplasms.
- Code type
- Subcategory (4 characters)
- Chapter
- II · C00–D48
- Classification
- WHO ICD-10, 2019 version
D01.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
D01.1Carcinoma in situ i overgangen mellom sigmoideum og endetarm
D01.1Rektosigmoid, Übergang
D01.1Jonction rectosigmoïdienne
D01.1overgang van sigmoïd in rectum
D01.1Carcinoma in situ of rectosigmoid junction
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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