CA19-9

CA19-9 - tumor marker. Article “CA19-9” in Korean Wikipedia has 31.5 points for quality (as of July 1, 2026). The article contains 14 references and 7 sections.

This article has the best quality in Polish Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “CA19-9”, its content was written by 1 registered users of Korean Wikipedia and edited by 186 registered Wikipedia users in all languages.

The article is cited 3 times in Korean Wikipedia and cited 382 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Korean): #35903 in November 2025
• Global: #63277 in November 2009

The highest popularity rank from 2008:

• Local (Korean): #73948 in March 2026
• Global: #58249 in July 2013

There are 18 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Polish (pl) CA 19-9		38.113
2	English (en) CA19-9		34.8794
3	Turkish (tr) CA19-9		34.3976
4	Korean (ko) CA19-9		31.5262
5	Catalan (ca) CA 19-9		29.9385
6	Arabic (ar) CA19-9		28.5458
7	Russian (ru) СА 19-9		26.5909
8	Japanese (ja) CA 19-9		22.3853
9	Persian (fa) سی‌ای۱۹-۹		21.5673
10	German (de) CA 19-9		20.5609

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "CA19-9" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) CA19-9		1 729 075
2	Spanish (es) CA 19-9		602 467
3	German (de) CA 19-9		436 191
4	Italian (it) CA 19-9		355 026
5	Japanese (ja) CA 19-9		238 520
6	Portuguese (pt) CA 19-9		226 578
7	French (fr) CA 19.9		165 354
8	Russian (ru) СА 19-9		143 546
9	Polish (pl) CA 19-9		80 602
10	Dutch (nl) CA 19-9		72 178

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "CA19-9" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) CA19-9		995
2	French (fr) CA 19.9		510
3	German (de) CA 19-9		412
4	Russian (ru) СА 19-9		295
5	Polish (pl) CA 19-9		235
6	Spanish (es) CA 19-9		186
7	Japanese (ja) CA 19-9		171
8	Dutch (nl) CA 19-9		98
9	Chinese (zh) CA19-9		79
10	Korean (ko) CA19-9		71

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "CA19-9" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) CA19-9		36
2	German (de) CA 19-9		32
3	French (fr) CA 19.9		25
4	Dutch (nl) CA 19-9		24
5	Croatian (hr) Karbohidratni antigen 19-9		15
6	Italian (it) CA 19-9		12
7	Japanese (ja) CA 19-9		12
8	Spanish (es) CA 19-9		7
9	Russian (ru) СА 19-9		5
10	Polish (pl) CA 19-9		4

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "CA19-9" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) CA19-9		0
2	Catalan (ca) CA 19-9		0
3	German (de) CA 19-9		0
4	English (en) CA19-9		0
5	Spanish (es) CA 19-9		0
6	Persian (fa) سی‌ای۱۹-۹		0
7	French (fr) CA 19.9		0
8	Croatian (hr) Karbohidratni antigen 19-9		0
9	Italian (it) CA 19-9		0
10	Japanese (ja) CA 19-9		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "CA19-9" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	French (fr) CA 19.9		158
2	English (en) CA19-9		65
3	Japanese (ja) CA 19-9		55
4	Italian (it) CA 19-9		52
5	German (de) CA 19-9		12
6	Polish (pl) CA 19-9		8
7	Spanish (es) CA 19-9		6
8	Arabic (ar) CA19-9		5
9	Catalan (ca) CA 19-9		3
10	Persian (fa) سی‌ای۱۹-۹		3

More...

#	Language	Value
ar	Arabic CA19-9
ca	Catalan CA 19-9
de	German CA 19-9
en	English CA19-9
es	Spanish CA 19-9
fa	Persian سی‌ای۱۹-۹
fr	French CA 19.9
hr	Croatian Karbohidratni antigen 19-9
it	Italian CA 19-9
ja	Japanese CA 19-9
ko	Korean CA19-9
nl	Dutch CA 19-9
pl	Polish CA 19-9
pt	Portuguese CA 19-9
ru	Russian СА 19-9
tr	Turkish CA19-9
ur	Urdu سی اے 19 9
zh	Chinese CA19-9

Best Rank

Korean: #73948 03.2026

Global: #58249 07.2013

Best Rank

Korean: #35903 11.2025

Global: #63277 11.2009

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The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information