Table 1

Coding categories for breast cancer histologies reported in Million Women Study participants

NHSBSP descriptive data
ONS ICD-02 codes

Invasive ductal carcinoma
8022/3, 8141/3, 8201/3, 8500/3, 8501/3, 8521/3
Invasive lobular carcinoma
8520/3
Invasive tubular carcinoma
8211/3
Invasive mixed carcinoma
8522/3
Invasive mucinous carcinoma
8480/3
Other specified invasive histology
8041/3, 8050/1, 8200/3, 8246/3, 8401/3, 8810/3, 8502/3, 8503/3, 8504/3, 8550/3, 8560/3, 9020/3
Non-specified invasive histology
8530/3, 8140/3, 8000/3, 8001/3, 8003/3, 8010/3
Ductal carcinoma in situ
8230/2, 8500/2, 8500/5, 8501/2, 8501/5, 8521/2
Lobular carcinoma in situ
8520/2, 8520/5
Ductal + lobular carcinoma in situ
8522/2
Pagets
8540/3
Other specified non-invasive histology
8543/3, 8504/2, 8503/2, 8480/5, 8480/2, 8200/2, 8070/2, 8050/5, 8050/2
Non-specified non-invasive histology
8010/2, 8010/5, 8210/2
Unable to code
8000/1, 8520, 8500/6

ICD, International Classification of Diseases; NHSBSP, National Health Service Breast Screening Programme; ONS, Office for National Statistics.

Gathani et al. Breast Cancer Research 2005 7:R1090   doi:10.1186/bcr1352