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What is the ICD-11 CDDG?

I have just removed this paragraph from the article:

“

Aside from the updates made for the ICD-11, the WHO has developed an ICD-11 edition of the Clinical descriptions and diagnostic guidelines (CDDG),^[1] although it has not yet been published. A book of the same name was released in 1992^[2] for the ICD-10, which was also known as the "Blue Book". It contains expanded definitions of and diagnostic criteria for the mental disorders, whereas the ICD-10/-11 mental disorders chapters contain only short summaries. The ICD chapters are meant as a quick reference point, whereas the CDDG is meant for extensive diagnosing by health care professionals. To differentiate the old and the new version, the newest revision is called the ICD-11 CDDG. The WHO described the development of the ICD-11 CDDG as "the most global, multilingual, multidisciplinary and participative revision process ever implemented for a classification of mental disorders", involving nearly 15,000 clinicians from 155 countries.^[3] As of February 2024, the WHO has not made the ICD-11 CDDG publicly available.

”

References

^ Angst J, Ajdacic-Gross V, Rössler W (January 2020). "Bipolar disorders in ICD-11: current status and strengths". International Journal of Bipolar Disorders. 8 (1): 3. doi:10.1186/s40345-019-0165-9. PMC 6970089. PMID 31956923. With the ICD-11 officially approved, the next stage in our field will be the publication of the Clinical Descriptions and Diagnostic Guidelines (CDDG) for the manual's Mental and Behavioural Disorders section. The guidelines are currently out for consultation and comment.
^ Google Books entry on the ICD-10 CDDG
^ Reed GM, First MB, Kogan CS, Hyman SE, Gureje O, Gaebel W, et al. (February 2019). "Innovations and changes in the ICD-11 classification of mental, behavioural and neurodevelopmental disorders". World Psychiatry. 18 (1): 3–19. doi:10.1002/wps.20611. PMC 6313247. PMID 30600616. In the ICD-10, the number of groupings of disorders was artificially constrained by the decimal coding system used in the classification

When I first wrote the above paragraph, the ICD-11 contained only brief summaries of mental disorders. For example, see Schizophrenia (6A20) ~~from the 2022 version~~ from the 2021 version. However, I only just discovered that in the 2023 edition (currently the latest), the WHO has added full diagnostic criteria and extensive clinical information to the mental disorder entries, e.g. Schizophrenia (6A20).

So then what was the ICD-11 CDDG supposed to be in the first place? I initially assumed that, similar to the ICD-10 CDDG (the "Blue Book"), it was an expansion of the ICD-11 mental disorder chapter. But then again... the ICD-11 is supposed to be fully digital, unlike the ICD-10, which was first published as books in the 1990s. If the ICD-11 is digital, then why not have the full information within the digital ICD-11? Indeed, this is what the WHO appears to have done now. But then what was the point of announcing a separate ICD-11 CDDG system? That doesn't make sense... unless the ICD-11 CDDG has now been silently incorporated into the ICD-11. Those diagnostic requirements for mental disorders, they *are* the ICD-11 CDDG.

So once again, the WHO has made things convoluted, vague, and unclear. I have removed the paragraph from the article, and replaced it with a short note that, in the 2023 version of the ICD-11, the WHO has added diagnostic criteria and clinical info to the mental disorder entries. Maybe this isn't needed, but I've added it for the sake of completion. Cheers, Manifestation (talk) 14:52, 4 February 2024 (UTC)[reply]

Ok... now I'm really confused. When I wrote the above comment, the URLs looked like this:

https://icd.who.int/browse11/l-m/en#/http://id.who.int/icd/entity/1683919430

But now the URLs look like this:

https://icd.who.int/browse/2024-01/mms/en#1683919430

I must say, this is an improvement. What isn't an improvement is that the WHO *removed* the diagnostic criteria and clinical info from the mental disorder entries! I kid you not! They were there a few days ago. But they vanished around the same time the URL structure was changed. I hope they'll return soon. - Manifestation (talk) 18:05, 10 February 2024 (UTC)[reply]

Extensive info is back! 😊 It was restored sometime between 13 and 25 February. Examples:

Schizophrenia:

13 Feb 2024: 2024 version, 2022
25 Feb 2024: 2024 version, 2023, 2022, 2021, 2020, 2019, 2018

Schizotypal disorder:

10 Feb 2024: 2024 version
13 Feb 2024: 2022 version
25 Feb 2024: 2024 version, 2023, 2022, 2021, 2020, 2019, 2018

As can be seen via the URLs above, the extensive info is in the 2024, 2023, and 2022 versions. Earlier ICD versions do not have it.

I'm gonna assume that this extensive information on mental disorders *is* the ICD-11 CDDG. I initially thought it was going to be a book, similar to the DSM-5. But the only official book I found about mental disorders and the ICD-11 is this, set to be released on 30 April 2024. - Manifestation (talk) 15:58, 25 February 2024 (UTC)[reply]

Well, what da ya know? They changed the name of the ICD-11 CDDG to ICD-11 CDDR. And yes, it is also available in book form. So far, I've only found an electronic version that can be downloaded here, ISBN 9789240077263. The colophon of that edition states that there is also a print version, ISBN 9789240077270. It has its own ISBN, but it doesn't seem to have actually been released yet. - Manifestation (talk) 16:18, 4 May 2024 (UTC)[reply]