NAACCR Item #3933: Thrombocytopenia

Start Column

1914

End Column

1914

Alignment

LEFT

Padding Character

' '

Documentation

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired Column #
3933 1 NAACCR 1914 - 1914

NAACCR XML: Tumor.thrombocytopenia

Description
Thrombocytopenia is defined by a deficiency of platelets in the blood. In staging of Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL), thrombocytopenia is defined as Platelets (Plt) less than 100,000/μL.
Rationale
Thrombocytopenia is a prognostic factor required for staging of Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL) in AJCC 8th edition, Chapter 79 Hodgkin and Non-Hodgkin Lymphomas. It is a new data item for cases diagnosed 1/1/2018+.
Codes
0 Thrombocytopenia not present
Platelets (Plt) = 100,000/µL
1 Thrombocytopenia present
Platelets (Plt) < 100,000/µL
6 Lab value unknown, physician states thrombocytopenia is present
7 Test ordered, results not in chart
9 Not documented in medical record
Thrombocytopenia 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.