ER (Estrogen Receptor) Percent Positive or Range
Notes
**Note 1:** Physician statement of ER (Estrogen Receptor) Percent Positive or Range can be used to code this data item. **Note 2:** Code this data item using the same report used to record ER Summary. **Note 3:** If ER is negative, or percentage is less than 1%, code 000. **Note 4:** The actual ER (1-100%) percent takes priority over the range codes. **Note 5:** If ER is positive but percentage is unknown, code XX9.Default
XX8NAACCR Item
NAACCR #3826Metadata
SSDI| Code | Description | 
|---|---|
| 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 ER (Estrogen Receptor) Percent Positive or Range not assessed or unknown if assessed |