NAACCR Item #3812: B symptoms

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3,812 1 NAACCR 2018 18

NAACCR XML: Tumor.bSymptoms


B symptoms refer to systemic symptoms of fever, night sweats, and weight loss which can be associated with both Hodgkin lymphoma and some non-Hodgkin lymphomas. The presence of B symptoms is a prognostic factor for some lymphomas.


B symptoms is a Registry Data Collection Variable in AJCC. This data item was previously collected for Lymphomas, SSF# 2.


0No B symptoms (asymptomatic) Classified as "A" by physician when asymptomatic
1Any B symptom(s) Night sweats (drenching) Unexplained fever (above 38 degrees C) Unexplained weight loss (generally greater than 10% of body weight in the six months before admission) B symptoms, NOS Classified as "B" by physician when symptomatic
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 B symptoms 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.