Tumor Tip of the Week-04-21-2023 Ki-67 NET

04-21-2023 Ki-67 NET

Scenario 2023:  

• Primary Site Ileum- Neuroendocrine Tumor/NET
• Ki-67 reported as 1-2%

Question:  How will you assign the SSDI Ki-67

• 1.0
• 2.0
• XXX.4 Ki-67 stated as less than 3%

Answer:  XXX.4 Ki-67 stated as less than 3%

Rationale: **NOTE THESE INSTRUCTIONS DO NOT APPLY TO Ki-67 IN BREAST**

• SSDI Manual Ki-67 NET Jejunum and Ileum
  • Note 7: A specific value (0.0-100.0) takes priority over XXX.4, XXX.5 or XXX.6. Code the exact percentage when provided. When the exact percentage is not given, including ranges or terms such as “less than” or “greater than” use the range value codes XXX.4, XXX.5, XXX.6.
    • XXX.4, XXX.5, and XXX.6 were added since they are listed on the CAP protocol
    • Example 1: Ki-67 stated as less than 1%. Code XXX.4
    • Example 2: Ki-67 stated as 5%-10%. Code XXX.5
    • Example 3: Ki-67 stated as greater than 4%. Code XXX.5
    • Example 4: Ki-67 stated as greater than 30%. Code XXX.6

Tip: be sure to review Version 3.0 Change Log for SSDI and GRADE prior to abstracting 2023 cases.   Schemas | SSDI Data | (naaccr.org)