Tumor Tip of the Week-Kidney Single Tumor with 2 or variants of that NOS - Omega Healthcare

Tumor Tip of the Week-Kidney Single Tumor with 2 or variants of that NOS

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Scenario: 2022 diagnosis is a single tumor with renal cell carcinoma (RCC) 8312, papillary renal cell carcinoma 8260, and mucinous tubular and spindle cell carcinoma 8480

Question:  How would you code histology?

  • 8312 renal cell carcinoma (RCC)
  • 8260 papillary renal cell carcinoma
  • 8480 mucinous tubular and spindle cell carcinoma

Answer:  8312 renal cell carcinoma (RCC)

Solid Tumor Rules Kidney

  • Rule M2 Abstract a single primary when there is a single tumor.
    • Note 1: A single tumor is always a single primary.

Rule H2 Code the NOS histology when there are:

  • A NOS and two or more variants of that NOS present in the tumor OR
  • Two or more variants of a NOS present in the tumor
  • Note: Use Table 1 in the Equivalent Terms and Definitions to determine NOS and subtype/varient.

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