NAACCR Item #3911: Peritoneal Cytology

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3,911 1 NAACCR 2018 18

NAACCR XML: Tumor.peritonealCytology


Peritoneal cytology pertains to the results of cytologic examination for malignant cells performed on fluid that is obtained from the peritoneal cavity.


Peritoneal Cytology is listed as a Registry Data Collection Variable in AJCC. This data item was previously collected as Corpus, CS SSF# 2.


0Peritoneal cytology/washing negative for malignancy
1Peritoneal cytology/washing atypical and/or suspicious
2Peritoneal cytology/washing malignant (positive for malignancy)
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 Peritoneal cytology 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.