2D42ICD-11 MMS 2026-01
Malignant neoplasms of ill-defined sites
Description
Malignant neoplasms of ill defined sites is used for cases where the documentation refers to a site that includes multiple organ systems and tissue types that should be coded separately.
Coding note from above levels
For use of this category, reference should be made to the mortality coding rules and guidelines in the Reference Guide.
Index terms
- Malignant neoplasms of ill-defined sites
- Malignant neoplasm of ill-defined site of head, face or neck
- Malignant neoplasm of nose NOS
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- Primary malignant neoplasm of cheek
- cheek cancer
- malignant neoplasm of cheek NOS
- Primary malignant neoplasm of jaw
- cancer of the jaw
- jaw cancer
- malignant neoplasm of jaw NOS
- Primary malignant neoplasm of supraclavicular region
- malignant neoplasm of supraclavicular region NOS
- supraclavicular region cancer
- Malignant neoplasm of submental area
- submental cancer
- Temple region cancer
- temporal region cancer
- Malignant neoplasm of ill-defined site of thorax
- intrathoracic cancer
- intrathoracic malignant neoplasm NOS
- malignant neoplasm of thorax
- malignant tumour of thorax
- thoracic cancer
- thoracic cavity cancer
- thoracic malignant neoplasm nos
- thorax cancer
- thorax cavity cancer
- Primary malignant neoplasm of axilla region
- axilla cancer
- axillary cancer
- malignant neoplasm of axilla NOS
- Scapular region cancer
- Malignant neoplasm of ill-defined site of abdomen
- abdomen cancer
- abdomen cavity cancer
- abdomen organ cancer
- abdomen viscera cancer
- abdominal cancer
- abdominal cavity cancer
- abdominal organ cancer
- abdominal viscera cancer
- abdominal visceral cancer
- malignant neoplasm of abdomen
- malignant tumour of abdomen
- Malignant neoplasm of ill-defined site of pelvis
- cancer of pelvis
- gluteal region cancer
- ischiorectal cancer
- ischiorectal fossa cancer
- pararectal cancer
- pelvic cancer
- pelvic viscera cancer
- pelvic visceral cancer
- pelvic wall cancer
- pelvis cancer
- pelvis viscera cancer
- pelvis visceral cancer
- pelvis wall cancer
- perirectal cancer
- primary malignant neoplasm of pelvis
- Primary malignant neoplasm of inguinal region
- inguinal cancer
- inguinal region cancer
- Primary malignant neoplasm of presacral region
- malignant neoplasm of presacral region
- Primary malignant neoplasm of rectovaginal septum
- Sites overlapping systems within the pelvis, such as rectovaginal (septum)
- rectovaginal (septum) malignant neoplasm
- rectovaginal septum cancer
- Primary malignant neoplasm of rectovesical septum
- Sites overlapping systems within the pelvis, such as rectovesical (septum)
- rectovesical (septum) malignant neoplasm
- rectovesical septum cancer
- Perineal cancer, not elsewhere classified
- perineum cancer
- Malignant neoplasm of ill-defined site of arm
- malignant neoplasm of other and ill-defined sites: upper limb
- primary malignant neoplasm of upper limb
- upper limb cancer
- Malignant neoplasm of ill-defined site of leg
- calf cancer
- lower extremity cancer
- malignant neoplasm of other and ill-defined sites: lower limb
- primary malignant neoplasm of lower limb
Exclusions from above levels
- http://id.who.int/icd/entity/1965082709 – Malignant mesenchymal neoplasms
- http://id.who.int/icd/entity/879154182 – Neoplasms of central nervous system or related structures
- http://id.who.int/icd/entity/944754984 – Neoplasms of haematopoietic or lymphoid tissues
Sibling codes
2D40– Adenocarcinoma of unspecified site2D41– Unspecified carcinoma of unspecified site2D43– Malignant neoplasms of independent, multiple primary sites2D44– Malignant neoplasm, primary site unknown, so stated2D4Y– Other specified malignant neoplasms of unspecified primary sites2D4Z– Unspecified malignant neoplasms of unspecified sites
Foundation entity
Malignant neoplasms of ill-defined sites – http://id.who.int/icd/entity/2023965817
Allowed postcoordination axes
Part of: 02: Neoplasms