SEER Inquiry System - Question 20071010 Details

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Produced: 02/28/2026 10:58 AM

Question 20071010

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Inquiry Details

References:

#1: 2007 MP/H Rules. Other sites (H10)

#2: 2007 SEER Manual, C-1079

Question:

MP/H Rules/Histology--Prostate: While cases of "acinar adenocarcinoma" of the prostate are required to be abstracted with the histology code 8140/3 [adenocarcinoma, NOS] for cases diagnosed 1/1/07 or later, can 8550/3 [acinar adenocarcinoma] be used for cases diagnosed prior to 1/1/07? See Discussion.

Discussion:

The SEER Multiple Primary and Histology manual, effective with 2007 forward diagnosis dates, indicates that this histology should be coded to 8140/3 [adenocarcinoma, NOS]. Does this contradict ICD-O-3? Can acinar adenocarcinoma be coded for other primary sites?

Answer:

For cases diagnosed 2007 or later, code acinar adenocarcinoma of the prostate as 8140/3.

Prior to diagnosis year 2007, code 8550/3 [acinar adenocarcinoma] may be used for prostate cases and for acinar adenocarcinoma of other sites, such as pancreas.

Cancer Site Category:

Prostate

Data Item Category:

Histology

Other Category:

N/A

Year:

2007