The block D00–D09 of ICD-10 is titled “In situ neoplasms”. It is part of Chapter II, Neoplasms, and holds 9 groups.
What D00–D09 includes
Conditions and terms that are coded here.
- Bowen disease
- erythroplasia
- morphology codes with behaviour code /2
- Queyrat erythroplasia
Coding notes
- Many in situ neoplasms are regarded as being located within a continuum of morphological change between dysplasia and invasive cancer. For example, for cervical intraepithelial neoplasia (CIN) three grades are recognized, the third of which (CIN III) includes both severe dysplasia and carcinoma in situ. This system of grading has been extended to other organs, such as vulva and vagina. Descriptions of grade III intraepithelial neoplasia, with or without mention of severe dysplasia, are assigned to this section; grades I and II are classified as dysplasia of the organ system involved and should be coded to the relevant body system chapter.
Codes in D00–D09
- D01.0Carcinoma in situ: Colon
- D01.1Carcinoma in situ: Rectosigmoid junction
- D01.2Carcinoma in situ: Rectum
- D01.3Carcinoma in situ: Anus and anal canal
- D01.4Carcinoma in situ: Other and unspecified parts of intestine
- D01.5Carcinoma in situ: Liver, gallbladder and bile ducts
- D01.7Carcinoma in situ: Other specified digestive organs
- D01.9Carcinoma in situ: Digestive organ, unspecified
- D03.0Melanoma in situ of lip
- D03.1Melanoma in situ of eyelid, including canthus
- D03.2Melanoma in situ of ear and external auricular canal
- D03.3Melanoma in situ of other and unspecified parts of face
- D03.4Melanoma in situ of scalp and neck
- D03.5Melanoma in situ of trunk
- D03.6Melanoma in situ of upper limb, including shoulder
- D03.7Melanoma in situ of lower limb, including hip
- D03.8Melanoma in situ of other sites
- D03.9Melanoma in situ, unspecified
- D04.0Carcinoma in situ: Skin of lip
- D04.1Carcinoma in situ: Skin of eyelid, including canthus
- D04.2Carcinoma in situ: Skin of ear and external auricular canal
- D04.3Carcinoma in situ: Skin of other and unspecified parts of face
- D04.4Carcinoma in situ: Skin of scalp and neck
- D04.5Carcinoma in situ: Skin of trunk
- D04.6Carcinoma in situ: Skin of upper limb, including shoulder
- D04.7Carcinoma in situ: Skin of lower limb, including hip
- D04.8Carcinoma in situ: Skin of other sites
- D04.9Carcinoma in situ: Skin, unspecified
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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