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Produced: 11/25/2024 12:39 AM
Question 20170061
Inquiry Details
References:
2007 MP/H Rules
Question:
MP/H Rules/Histology--Thyroid: What is the correct histology when final diagnosis of a thyroidectomy includes the descriptor "papillary and follicular architecture?" See Discussion.
Discussion:
Total thyroidectomy Final Diagnosis: Papillary carcinoma, classical type, with papillary and follicular architecture.
The 2007 MP/H rules state that the term architecture is reserved for coding subtype of in situ primaries only. However, SINQ 20130165 appears to indicate this should be coded for invasive thyroid subtypes as well. Can you confirm the addition of the term architecture for determining an invasive histologic subtype for thyroid?
Answer:
Assign code 8260/3, papillary carcinoma per Multiple Primaries/Histology Rule H14.
Architecture is reserved for coding subtype of in situ primaries only. SINQ 20130165 is not intended to indicate this should be coded for invasive thyroid subtypes.
