NAACCR Item #3827: Estrogen Receptor Summary

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3827 1 NAACCR 2018 18
NAACCR XML: Tumor.estrogenReceptorSummary
Description
ER (Estrogen Receptor) Summary is a summary of results of the estrogen receptor (ER) assay.
Rationale
This data item is required for prognostic stage grouping in AJCC 8th edition, Chapter 48, *Breast*. It was previously collected as Breast CS SSF # 1.
Codes
0 ER negative (0.0% or less than 1%)
1 ER positive
7 Test ordered, results not in chart
9 Not documented in medical record Cannot be determined (indeterminate) ER (Estrogen Receptor) Summary status not assessed or unknown if assessed
Code Notes
Each Site-Specific Data Item (SSDI) applies only to selected primary sites, histologies, and years of diagnosis. Depending on applicability and standard-setter requirements, SSDIs may be left blank.