NAACCR Item #3827: Estrogen Receptor Summary
| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 3,827 | 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 |
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.