NAACCR Item #3914: Progesterone Receptor Percent Positive or Range

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3,914 3 NAACCR 2018 18

NAACCR XML: Tumor.progesteroneRecepPrcntPosOrRange


Progesterone Receptor, Percent Positive or Range is the percent of cells staining progesterone receptor positive measured by IHC.


Progesterone Receptor, Percent Positive or Range is a Registry Data Collection Variable in AJCC. It is a new data item for cases diagnosed 1/1/2018+.


000PR negative, or stated as less than 1%
001-1001-100 percent
R10Stated as 1-10%
R20Stated as 11-20%
R30Stated as 21-30%
R40Stated as 31-40%
R50Stated as 41-50%
R60Stated as 51-60%
R70Stated as 61-70%
R80Stated as 71-80%
R90Stated as 81-90%
R99Stated as 91-100%
XX7Test done, results not in chart
XX8Not 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.)
XX9Not documented in medical record PR (Progesterone Receptor) Percent Positive or Range not assessed or unknown if assessed


  • Physician statement of PR (Progesterone Receptor) Percent Positive or Range can be used to code this data item.
  • Code this data item using the same report used to record PR Summary.
  • If PR negative, or percentage less than 1%, code 000.
  • The actual PR (1-100%) percent takes priority over the range codes.
  • If PR positive but percentage unknown, code XX9.

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.