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Table 2 Examples of distinguishing histopathology via stem codes

From: The novel and powerful ICD-11 classification system for neoplasm coding: a comparative study with the ICD-O

Neoplasm

ICD-O-3.2

ICD-11

Topography code

Morphology code

Stem code

Extension code

Adenocarcinoma of appendix

C18.1

8140/3

2B81.0

 

Mucinous adenocarcinoma of appendix

C18.1

8480/3

2B81.1

 

Tubular adenoma of appendix

C18.1

8211/0

2E92.4Y

&XA8PW4&XH7SY6

  1. In the ICD11, XA8PW4 represents  appendix; XH7SY6 represents  tubular adenoma. The ICD-11 coding tool website: https://icd.who.int/devct11/icd11_mms/en/current (2022-6-24)
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BMC Medical Informatics and Decision Making

ISSN: 1472-6947

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