vitamin A deficiency

lack of vitamin A in blood and tissues

Class type of: vitamin deficiency Q2655893

Facts

9 properties

Instance of: laboratory finding
Subclass of: vitamin deficiency^[2]
Facet of: vitamin A^[3]
Characteristic of: vitamin A^[10]
Health specialty: endocrinology^[8]
ICD-9-CM: 264.9 (264–264.9, n=3)^[4]^[5]^[6]
NCI Thesaurus ID: C85220^[7]
On focus list of Wikimedia project: WikiProject Medicine^[9]
P14541: 14mLtf^[11]

🏷️ Also known as

en vitamin A deficiencies en Deficiencies, Vitamin A en vitamin A deficiency en Deficiency, Vitamin A en hypovitaminosis A en obsolete vitamin A deficiency en VAD ar نقص فيتامين أ de Vitamin-A-Mangel es deficiencia de vitamina A es hipovitaminosis A fa کمبود ویتامین آ fa کمبود ویتامین ا fr hypovitaminose A fr avitaminose A fr carence en vitamine A he מחסור בוויטמין A id Kekurangan vitamin A it ipovitaminosi A ja ビタミンA欠乏症

🔖 Identifiers · 31

Library of Congress authority ID: sh85143953
OpenAlex ID: C2778129702
Image (Wikimedia Commons): All-trans-Retinol2.svg ↗
BNCF Thesaurus ID: 39551
Bibliothèque nationale de France ID: 119647825
Disease Ontology ID: DOID:10257, DOID:10257
DiseasesDB: 13902
EMedicine ID: 126004
Encyclopedia of China (Third Edition) ID: 136489
Encyclopædia Britannica Online ID: science/vitamin-A-deficiency
Exact match: identifiers.org, purl.obolibrary.org
Experimental Factor Ontology ID: 1001237

Show all 31 identifiers +19

Freebase ID: /m/025_whb
Human Phenotype Ontology ID: HP:0004905
ICD-10 ID: E50
ICD-11 ID (Foundation): 435342452
ICD-11 ID (MMS): 5B55
ICD-9 ID: 264.9, 264.8
JSTOR topic ID (archived): vitamin-a-deficiency
MeSH descriptor ID: D014802
MeSH tree code: C18.654.521.500.133.628
Medical Dictionary for Regulatory Activities ID: 10047586
Microsoft Academic ID (discontinued): 2775873362, 2778129702
Mondo ID: MONDO_0007016
National Library of Israel J9U ID: 987007543711005171
Patientplus ID: Vitamin-A-Deficiency
PatientsLikeMe condition ID: vitamin-a-deficiency
ScienceDirect topic ID: agricultural-and-biological-sciences/vitamin-a-deficiency, biochemistry-genetics-and-molecular-biology/vitamin-a-deficiency, biochemistry-genetics-and-molecular-biology/hypovitaminosis-a
UMLS CUI: C0042842
WikiProjectMed ID: Vitamin A deficiency
Yale LUX ID: concept/bd59369a-ef34-432d-a351-4a73391854d9

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Characteristic of 1

vitamin A

Facet of 1

vitamin A

Health specialty 1

endocrinology

On focus list of Wikimedia project 1

WikiProject Medicine

Subclass of 1

vitamin deficiency

Subtypes 1

keratomalacia

← Has cause 1

keratomalacia

← Has effect 1

pollinator decline

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Summary

vitamin A deficiency is a laboratory finding^[1].

References

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

Direct Wikidata claims

[2] ↑ vitamin A deficiency — subclass of (P279): vitamin deficiency. wikidata.org.
[3] ↑ vitamin A deficiency — facet of (P1269): vitamin A. wikidata.org.
[4] ↑ vitamin A deficiency — ICD-9-CM (P1692): 264.8. Monarch Disease Ontology release 2018-06-29. Retrieved 2018-08-04. wikidata.org.
[5] ↑ vitamin A deficiency — ICD-9-CM (P1692): 264. Monarch Disease Ontology release 2018-06-29. Retrieved 2018-08-04. wikidata.org.
[6] ↑ vitamin A deficiency — ICD-9-CM (P1692): 264.9. Monarch Disease Ontology release 2018-06-29. Retrieved 2018-08-04. wikidata.org.
[7] ↑ vitamin A deficiency — NCI Thesaurus ID (P1748): C85220. Monarch Disease Ontology release 2018-06-29. Retrieved 2018-08-04. wikidata.org.
[8] ↑ vitamin A deficiency — health specialty (P1995): endocrinology. wikidata.org.
[9] ↑ vitamin A deficiency — on focus list of Wikimedia project (P5008): WikiProject Medicine. wikidata.org.
[10] ↑ vitamin A deficiency — characteristic of (P13044): vitamin A. wikidata.org.
[11] ↑ vitamin A deficiency — P14541 (P14541): 14mLtf. wikidata.org.

Class ancestry

[1] ↑ vitamin A deficiency is an instance of laboratory finding (Q44702685) [P31, primary]. Wikidata. 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 A deficiency. Retrieved November 6, 2026, from https://4ort.xyz/entity/vitamin-a-deficiency

MLA

“vitamin A deficiency.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/vitamin-a-deficiency.

BibTeX

@misc{4ortxyz_vitamin-a-deficiency_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{vitamin A deficiency}}, year = {2026}, url = {https://4ort.xyz/entity/vitamin-a-deficiency}, note = {Accessed: 2026-11-06}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): vitamin A deficiency — https://4ort.xyz/entity/vitamin-a-deficiency (retrieved 2026-11-06)

Canonical URL: https://4ort.xyz/entity/vitamin-a-deficiency · Last refreshed: November 6, 2026

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.

17w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗

P14541 → 14mLtf

Instance of → laboratory finding

Exact match → http://identifiers.org/doid/DOID:10257, http://purl.obolibrary.org/obo/DOID_10257

Disease Ontology ID → DOID:10257, DOID:10257

+ 8 other properties edited (see Wikidata diff for full list)

"/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"

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