NAACCR Item #3826: Estrogen Receptor Percent Positive or Range
| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired | 
|---|---|---|---|---|---|---|
| 3826 | 3 | NAACCR | 2018 | 18 | 
            NAACCR XML:
            
                
                    Tumor.estrogenReceptorPercntPosOrRange
                
            
        
        
        Description
            Estrogen Receptor, Percent Positive Range is the percent of cells staining estrogen receptor positive by IHC.
        Rationale
                Estrogen Receptor, Percent Positive Range is a Registry Data Collection Variable in AJCC. It is a new data item for cases diagnosed 1/1/2018+.
            Codes
                | 000 | ER negative, or stated as less than 1% | 
| 001-100 | 1-100 percent | 
| R10 | Stated as 1-10% | 
| R20 | Stated as 11-20% | 
| R30 | Stated as 21-30% | 
| R40 | Stated as 31-40% | 
| R50 | Stated as 41-50% | 
| R60 | Stated as 51-60% | 
| R70 | Stated as 61-70% | 
| R80 | Stated as 71-80% | 
| R90 | Stated as 81-90% | 
| R99 | Stated as 91-100% | 
| XX7 | Test done, results not in chart | 
| XX8 | Not applicable: Information not collected for this case (If this item is required by your standard setter, use of code XX8 will result in an edit error.) | 
| XX9 | Not documented in medical record Estrogen Receptor, Percent Positive Range 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.