Version 25
Data Item #3933: Thrombocytopenia

Length: 1
Source of Standard: NAACCR
Section Name: Stage/Prognostic Factors
Year Implemented: 2018
Version Implemented: 18
Record Types: A, M, C, I

XML NAACCR ID: thrombocytopenia

Parent XML Element: Tumor

Required Status:

NPCR Collect: . - No recommendations
CoC Collect: RS - Required, site specific
SEER Collect: RS - Required, site specific
CCCR Collect: RS* - Required, site specific; when available

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.

Item Data Type:

digits

Allowable Values

0, 1, 5, 6, 7, 9

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.

Version 25 Data Item #3933: Thrombocytopenia