NAACCR Item #3933: Thrombocytopenia
| Item # | Length | Source of Standard | Year Implemented | Version Implemented | Year Retired | Version Retired |
|---|---|---|---|---|---|---|
| 3,933 | 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 |
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.