APOB

Metabolic System · Cholesterol & Lipoprotein Metabolism

Is an APOB variant the same thing as an ApoB blood-test result?

APOB encodes structural proteins used in particles that carry cholesterol and other fats. A blood test measures circulating ApoB, while a genetic test asks whether its instructions contain particular variants.

Common Gene Name
apolipoprotein B
NCBI Gene ID
338
Chromosome
2

Clinical Evidence Status

Actionability report availableEstablished disease relationship

These labels describe available evidence about a gene. They do not classify your variant or recommend a treatment.

Answer Sources

Explore supporting evidence (8 records)
Condition or drugEvidenceGrade / statusContextSource
familial hypobetalipoproteinemia 1ClinGen gene-disease validityDefinitiveSemidominantView source
2020-02-26
hypercholesterolemia, autosomal dominant, type BClinGen gene-disease validityDefinitiveAutosomal dominantView source
2018-11-14
Familial hypercholesterolemiaMedlinePlus related conditionAssociation type varies; no grade assigned hereView source
2020-01
Familial hypobetalipoproteinemiaMedlinePlus related conditionAssociation type varies; no grade assigned hereView source
2020-01
Homozygous Familial HypercholesterolemiaClinGen clinical actionabilityScored report; not a validity gradeAdultView source
2023-05-03
Heterozygous Familial HypercholesterolemiaClinGen clinical actionabilityScored report; not a validity gradeAdultView source
2023-06-28
Heterozygous Familial HypercholesterolemiaClinGen clinical actionabilityScored report; not a validity gradePediatricView source
2023-05-03
Homozygous Familial HypercholesterolemiaClinGen clinical actionabilityScored report; not a validity gradePediatricView source
2023-05-03

Source snapshot: 2026-09-09. Consumer text updated: 2026-09-10. Source dates describe the cited records, not a new clinical review.

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