NAACCR Item #3933: Thrombocytopenia

Item # Length Source of Standard Year Implemented Version Implemented Year Retired Version Retired
3933 1 NAACCR 2018 18
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_.
Codes
0 Thrombocytopenia not present Platelets (Plt) = 100,000/µL Physician states Rai Stage 0-III
1 Thrombocytopenia present Platelets (Plt) \< 100,000/µL
5 Not applicable: Primary site is not C421
6 Lab value unknown, physician states thrombocytopenia is present Physician states Rai Stage IV
7 Test ordered, results not in chart
9 Not documented in medical record Thrombocytopenia not assessed or unknown if assessed No Rai stage is documented in the record and there is no documentation of thrombocytopenia
Code Notes
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.