Practices were required to report clinical and staging data associated with each beneficiary’s assigned cancer. Estrogen Receptor (ER) is routinely tested for breast cancer and is necessary for staging and treatment decisions. This variable is only populated for episodes with breast cancer.
Code
Code value
None Selected
Not Tested
Negative
Positive
Null/missing
n/a (not breast cancer); or not reported by OCM participant (reference details in the RPTD_TO_RGSTRY codebook entry)
Practices were required to report clinical and staging data associated with each beneficiary’s assigned cancer. Estrogen Receptor (ER) is routinely tested for breast cancer and is necessary for staging and treatment decisions. This variable is only populated for episodes with breast cancer.