ICD-O-3 Implementation Guidelines
These documents address the implementation of ICD-O-3 for cases diagnosed on or after January 1, 2024.
ICD O 3.2 Implementation Documents for implementation in 2024
- 2024 ICD O 3.2 Coding Guidelines – 8/2/23
- 2024 ICD O 3.2 Table 1 Numeric – 8/2/23
- 2024 ICD O 3.2 Table 2 Alpha Table – 8/2/23
WHO IARC ICD-O-3.2
- WHO IARC ICD-O-3.2 Excel Table 1/1/2021 (1/1/2021 is when North American registries adopted 3.2 for use)
Annotated Histology List
- Annotated Histology List Description and Disclaimer 7/29/21
- Annotated Histology List – 11/27/23 (corrected misspelling for terms associated with 9500/3, 9505/0 and 9738/1)
These documents address the implementation of ICD-O-3 for cases diagnosed on or after January 1, 2023.
ICD O 3.2 Implementation Documents for implementation in 2023
- 2023 ICD O 3.2 Coding Guidelines 9/28/22
- 2023 ICD O 3.2 Table 1 Numeric 9/28/22
- 2023 ICD O 3.2 Table 2 Alpha Table 9/28/22
- Addendum to 2022 ICD-O-3.2 9/13/22
WHO IARC ICD-O-3.2
- WHO IARC ICD-O-3.2 Excel Table 1/1/2021 (1/1/2021 is when North American registries adopted 3.2 for use)
Annotated Histology List
- Annotated Histology List Description and Disclaimer 7/29/21
- Annotated Histology List 1/31/23 (corrected misspelling for terms associated with 9505/0 and 9738/1)
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These documents address the implementation of ICD-O-3 for cases diagnosed on or after January 1, 2022.
ICD O 3.2 Implementation Documents for implementation in 2022
- 2022 ICD O 3.2 Coding Guidelines 7/29/21
- 2022 ICD O 3.2 Table 1 Numeric 12/14/21
- 2022 ICD O 3.2 Table 2 Alpha Table 9/22/21
- ICD O 3.2 Coding Table Excel 7/29/21
Annotated Histology List
- Annotated Histology List 7/29/21
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These documents address the implementation of ICD-O-3 for cases diagnosed on or after January 1, 2021.
ICD O 3.2 Implementation Documents
- 2021 ICD O 3.2 Coding Guidelines – 10/05/2020
- 2021 ICD O 3.2 Tables 1-5 (tables with new term, new codes, changed behaviors, etc) – 10/01/2020
- 2021 ICD O 3.2 Table 6 Numeric (combined tables 1-5 in numeric order) – 11/10/2020
- 11/10/20 Paraganglioma, NOS histology code corrected (8680 is correct code)
- 2021 ICD O 3.2 Table 7 Alpha Table (combined tables 1-5 in alpha order)- 11/10/2020
- 11/10/20 Paraganglioma, NOS histology code corrected (8680 is correct code)
- 2021 ICD O 3.2 Coding Table Excel (full list of ICD 3.2 histology codes)- 10/01/2020
Annotated Histology List
- Annotated Histology List
- Updated 11/10/20-Superficial Spreading Adenocarcinoma (8143/3) was changed to TRUE.
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2018 ICD-O-3 Implementation Guidelines (December 2017)
These documents address the implementation of ICD-O-3 for cases diagnosed on or after January 1, 2018.
- 2018 ICD O 3 Coding Guidelines – 1/10/18
- 2018 ICD O 3 Coding Table .pdf – 8/22/18 (sorted by numeric order)
- 2018 ICD 0 3 Coding Table .pdf – 8/22/18 (sorted by alpha order)
- Errata – 8/22/18
*The tables were originally posted on 12/20/17.
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2014 ICD-O-3 Implementation Guidelines (December 2013)
This document addresses the implementation of ICD-O-3 for cases diagnosed on or after January 1, 2014.
- Guidelines for ICD-O-3 Update Implementation – Revised April 2014
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ICD-O-3 Implementation Guidelines (November 2000)
This document addresses the implementation of ICD-O-3 for cases diagnosed on or after January 1, 2001
