vitamin B12 deficiency

vitamin metabolic disorder that results from low blood levels of vitamin B12
Place laboratory_finding Q3234995
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vitamin B12 deficiency

Summary

vitamin B12 deficiency is a laboratory finding[1]. It ranks in the top 8% of laboratory_finding entities by monthly Wikipedia readership (2,897 views/month).[2]

Key Facts

  • vitamin B12 deficiency's instance of is recorded as laboratory finding[3].
  • vitamin B12 deficiency's instance of is recorded as class of disease[4].
  • vitamin B12 deficiency is a type of vitamin metabolic disorder[5].
  • vitamin B12 deficiency is a type of vitamin B deficiency[6].
  • vitamin B12 deficiency is a type of disease[7].
  • vitamin B12 deficiency's Commons category is recorded as Vitamin B12 deficiency[8].
  • vitamin B12 deficiency's symptoms and signs is recorded as anemia[9].
  • vitamin B12 deficiency's symptoms and signs is recorded as hyperpigmentation[10].
  • vitamin B12 deficiency's symptoms and signs is recorded as glossitis[11].
  • vitamin B12 deficiency's symptoms and signs is recorded as osteoporosis[12].
  • vitamin B12 deficiency's symptoms and signs is recorded as cardiomyopathy[13].
  • vitamin B12 deficiency's symptoms and signs is recorded as cognitive dysfunction[14].
  • vitamin B12 deficiency's symptoms and signs is recorded as memory loss[15].
  • vitamin B12 deficiency's symptoms and signs is recorded as sensory loss[16].
  • vitamin B12 deficiency's facet of is recorded as vitamin B12[17].
  • vitamin B12 deficiency's ICD-9-CM is recorded as 266.2[18].
  • vitamin B12 deficiency's NCI Thesaurus ID is recorded as C131684[19].
  • vitamin B12 deficiency's health specialty is recorded as endocrinology[20].
  • vitamin B12 deficiency's exact match is recorded as http://purl.obolibrary.org/obo/DOID_0050731[21].
  • vitamin B12 deficiency's exact match is recorded as http://identifiers.org/doid/DOID:0050731[22].
  • vitamin B12 deficiency's exact match is recorded as http://purl.obolibrary.org/obo/HP_0100502[23].
  • vitamin B12 deficiency's on focus list of Wikimedia project is recorded as WikiProject Medicine[24].

Body

Designation and Status

Recorded instance of include laboratory finding[3] and class of disease[4].

Why It Matters

vitamin B12 deficiency ranks in the top 8% of laboratory_finding entities by monthly Wikipedia readership (2,897 views/month).[2] It has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[25] It is known by 22 alternative names across languages and contexts.[26]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] . wikidata.org.
  2. [4] . wikidata.org.
  3. [5] . Disease Ontology. Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . frankhollis.com. frankhollis.com. Provenance: wikidata.org.
  8. [10] . frankhollis.com. frankhollis.com. Provenance: wikidata.org.
  9. [11] . frankhollis.com. frankhollis.com. Provenance: wikidata.org.
  10. [12] . frankhollis.com. frankhollis.com. Provenance: wikidata.org.
  11. [13] . frankhollis.com. frankhollis.com. Provenance: wikidata.org.
  12. [14] . frankhollis.com. frankhollis.com. Provenance: wikidata.org.
  13. [15] . frankhollis.com. frankhollis.com. Provenance: wikidata.org.
  14. [16] . frankhollis.com. frankhollis.com. Provenance: wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  17. [19] . Monarch Disease Ontology release 2018-06-29. Retrieved . wikidata.org.
  18. [20] . wikidata.org.
  19. [21] . Disease Ontology. Retrieved . wikidata.org.
  20. [22] . Identifiers.org. registry.identifiers.org. Provenance: wikidata.org.
  21. [23] . Human Phenotype Ontology release 2018-03-08. Retrieved . wikidata.org.
  22. [24] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] . Wikidata sitelinks. wikidata.org.
  3. [26] . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). vitamin B12 deficiency. Retrieved May 3, 2026, from https://4ort.xyz/entity/vitamin-b12-deficiency
MLA “vitamin B12 deficiency.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/vitamin-b12-deficiency.
BibTeX @misc{4ortxyz_vitamin-b12-deficiency_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{vitamin B12 deficiency}}, year = {2026}, url = {https://4ort.xyz/entity/vitamin-b12-deficiency}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): vitamin B12 deficiency — https://4ort.xyz/entity/vitamin-b12-deficiency (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/vitamin-b12-deficiency · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 4d ago · Freso · 2026-06-04 view diff on Wikidata ↗
    Drug or therapy used for treatment Q140051628
    "/* wbsetclaim-create:2||1 */ [[Property:P2176]]: [[Q140051628]]"
  2. 10d ago · Twofivesixbot bot · 2026-05-28 view diff on Wikidata ↗
    Subclass of vitamin metabolic disorder, vitamin B deficiency, disease
    Facet of vitamin B12
    Exact match http://purl.obolibrary.org/obo/DOID_0050731, http://identifiers.org/doid/DOID:0050731, http://purl.obolibrary.org/obo/HP_0100502
    Disease ontology id DOID:0050731
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007543709105171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.