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Chapter 2: Neoplasms

ICD-11 codes 2A00-2F9Z

Includes all codes for malignant neoplasms (cancers), benign tumors, carcinoma in situ, and neoplasms of uncertain or unknown behavior. ICD-11 improves tumor classification with morphology-based coding and updated staging conventions.

2A00-2A0Z

Neoplasms of central nervous system or related structures

2A20-2A2Z

Myeloproliferative neoplasms

2A20-2B3Z

Neoplasms of haematopoietic or lymphoid tissues

2A30-2A3Z

Myelodysplastic syndromes

2A40-2A4Z

Myelodysplastic and myeloproliferative neoplasms

2A50-2A5Z

Myeloid and lymphoid neoplasms with eosinophilia and abnormalities of PDGFRA, PDGFRB or FGFR1

2A70-2A7Z

Precursor lymphoid neoplasms

2A80-2A8Z

Mature B-cell neoplasms

2A90-2B2Z

Mature T-cell or NK-cell neoplasms

2B00-2B0Z

Mature T-cell or NK-cell lymphomas and lymphoproliferative disorders, primary cutaneous specified types

2B50-2B5Z

Malignant mesenchymal neoplasms

2B50-2D3Z

Malignant neoplasms, stated or presumed to be primary, of specified sites, except of lymphoid, haematopoietic, central nervous system or related tissues

2B60-2B6Y

Malignant neoplasms of lip, oral cavity or pharynx

2B70-2C1Z

Malignant neoplasms of digestive organs

2B80-2C0Z

Malignant neoplasms of intestine

2B90-2B9Y

Malignant neoplasms of large intestine

2C20-2C2Z

Malignant neoplasms of middle ear, respiratory or intrathoracic organs

2C30-2C3Z

Malignant neoplasms of skin

2C40-2C4Z

Malignant neoplasms of peripheral nerves or autonomic nervous system

2C50-2C53

Malignant neoplasms of retroperitoneum, peritoneum or omentum

2C60-2C6Z

Malignant neoplasms of breast

2C70-2C7Z

Malignant neoplasms of female genital organs

2C80-2C8Z

Malignant neoplasms of male genital organs

2C90-2C9Z

Malignant neoplasms of urinary tract

2D00-2D0Z

Malignant neoplasms of eye or ocular adnexa

2D10-2D1Z

Malignant neoplasms of endocrine glands

2D40-2D4Z

Malignant neoplasms of ill-defined or unspecified primary sites

2D50-2E2Z

Malignant neoplasm metastases

2D60-2D6Z

Malignant neoplasm metastasis in lymph nodes

2D70-2D7Z

Malignant neoplasm metastasis in thoracic or respiratory organs

2D80-2D8Z

Malignant neoplasm metastasis in digestive system

2D90-2D91

Malignant neoplasm metastasis in retroperitoneum or peritoneum

2E00-2E0Y

Malignant neoplasm metastasis in other specified sites

2E60-2E6Z

In situ neoplasms, except of lymphoid, haematopoietic, central nervous system or related tissues

2E80-2E8Z

Benign mesenchymal neoplasms

2E90-2F3Z

Benign neoplasms except of mesenchymal origin

2F00-2F01

Benign neoplasm of middle ear, respiratory or intrathoracic organs

2F20-2F2Z

Benign cutaneous neoplasms

2F70-2F7Z

Neoplasms of uncertain behaviour, except of lymphoid, haematopoietic, central nervous system or related tissues

2F90-2F9Z

Neoplasms of unknown behaviour, except of lymphoid, haematopoietic, central nervous system or related tissues

Frequently Asked Questions

What ICD-11 codes are in Chapter 2?

Chapter 2: Neoplasms covers ICD-11 codes 2A00-2F9Z. It contains 40 code blocks with 320 top-level categories.

What conditions does ICD-11 Chapter 2 cover?

Includes all codes for malignant neoplasms (cancers), benign tumors, carcinoma in situ, and neoplasms of uncertain or unknown behavior. ICD-11 improves tumor classification with morphology-based coding and updated staging conventions. This chapter includes codes from 2A00-2F9Z.

How is ICD-11 Chapter 2 different from ICD-10?

ICD-11 reorganized many chapters compared to ICD-10. Chapter 2 (Neoplasms) may include conditions that were in different ICD-10 chapters, and some conditions previously here may have moved. ICD-11 also adds new chapters for sleep-wake disorders, sexual health, and traditional medicine that did not exist in ICD-10.

How many code blocks are in ICD-11 Chapter 2?

Chapter 2 has 40 code blocks: 2A00-2A0Z (Neoplasms of central nervous system or related structures), 2A20-2A2Z (Myeloproliferative neoplasms), 2A20-2B3Z (Neoplasms of haematopoietic or lymphoid tissues), 2A30-2A3Z (Myelodysplastic syndromes), and 36 more.

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