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Produced: 05/23/2026 8:59 PM
Question 20240035
Inquiry Details
References:
Solid Tumor Rules. Urinary, 2024 Update
Question:
Solid Tumor Rules--Urinary: The example used in Rule M15 of the Urinary Solid Tumor Rules refers to the same row in Table 3. Should the example say Table 2 since Table 3 is non-reportable urinary tumors. See Discussion.
Discussion:
Rule M15
Abstract a single primary when synchronous, separate/non-contiguous tumors are on the same row in Table 2 in the Equivalent Terms and Definitions.
Note: The same row means the tumors are
• The same histology (same four-digit ICD-O code) OR
• One is the preferred term (column 1) and the other is a synonym for the preferred term (column 2) OR
• A NOS (column 1/column 2) and the other is a subtype/variant of that NOS (column 3) OR
• A NOS histology in column 3 with an indented subtype/variant
Example: TURBT shows invasive papillary urothelial carcinoma 8130/3 and CIS/in situ urothelial carcinoma 8120/2. Abstract a single primary. Papillary urothelial carcinoma and urothelial carcinoma are on the same row in Table 3.
Answer:
The example used in Rule M15 of the Urinary Solid Tumor Rules should refer to Table 2. We will update this in the next revision of the Rules.
