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Morphology of cancer code (ICDO-3) NNNN/N

Identifying and definitional attributes

Metadata item type:Help on this termValue Domain
METeOR identifier:Help on this term270756
Registration status:Help on this termHealth, Superseded 07/12/2011
Definition:Help on this termThe ICDO (3rd edition) code set representing the histology and behaviour of cancer tissue.

Representational attributes

Classification scheme:International Classification of Diseases for Oncology 3rd edition
Representation class:Help on this termCode
Data type:Help on this termNumber
Format:Help on this termNNNN/N
Maximum character length:Help on this term5

Collection and usage attributes

Guide for use:Help on this term

ICDO morphology describes histology and behaviour as separate variables, recognising that there are a large number of possible combinations.

In ICDO, morphology is a 4-digit number ranging from 8000 to 9989, and behaviour is a single digit which can be 0, 1, 2, 3, 6 or 9.

Record morphology codes in accordance with ICDO coding standards. Use the 5th-digit to record behaviour. The 5th-digit behaviour code numbers used in ICDO are listed below:

0 Benign

1 Uncertain whether benign or malignant

  • borderline malignancy
  • low malignant potential

2 Carcinoma in situ

  • intraepithelial
  • non-infiltrating
  • non-invasive

3 Malignant, primary site

6 Malignant, metastatic site

  • malignant, secondary site

9 Malignant, uncertain whether primary or metastatic site

Source and reference attributes

Origin:Help on this termInternational Classification of Diseases for Oncology, Third Edition (ICDO-3)

Relational attributes

Related metadata references:Help on this term

Has been superseded by Morphology of cancer code (ICD-O-3) NNNN/N Health, Standard 07/12/2011

Data elements implementing this value domain:Help on this term

Person with cancer—morphology of cancer, code (ICDO-3) NNNN/N Health, Superseded 06/03/2009

Person with cancer—morphology of cancer, code (ICDO-3) NNNN/N Health, Superseded 07/12/2011

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