NAACCR Item #3837: Gestational Trophoblastic Prognostic Scoring Index

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3,837 2 NAACCR 2018 18

NAACCR XML: Tumor.gestationalTrophoblasticPxIndex


Gestational Trophoblastic Prognostic Scoring Index, a score based on the FIGO-modified World Health Organization (WHO) Prognostic Scoring Index, is used to stratify women with gestational trophoblastic neoplasia in addition to the anatomical stage group. The risk score is appended to the anatomic stage.


This data item is required for prognostic stage grouping in AJCC 8th edition, Chapter 56 Gestational Trophoblastic Neoplasms. It was previously collected as Placenta, CS SSF # 1.


00-25Risk factor score
X9Not documented in medical record Prognostic scoring index 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.