NAACCR Item #3818: CA-125 Pretreatment Interpretation

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3,818 1 NAACCR 2018 18

NAACCR XML: Tumor.ca125PretreatmentInterpretation

Alternate Names
   : CA-125 (Carbohydrate Antigen 125) Pretreatment Interpretation

Carbohydrate Antigen 125 (CA-125) is a tumor marker that is useful for following the response to therapy in patients with ovarian cancer, who may have elevated levels of this marker.


Preoperative CA-125 is a Registry Data Collection Variable listed in AJCC. It was previously collected as Ovary, CS SSF# 1.


0Negative/normal; within normal limits
2Stated as borderline; undetermined whether positive or negative
7Test ordered, results not in chart
8Not applicable: Information not collected for this case (If this item is required by your standard setter, use of code 8 will result in an edit error)
9Not documented in medical record CA-125 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.