Short answer · Medically reviewed summary · Last updated: 2026-05-08
Familial Hypercholesterolemia (FH) is a genetic disorder characterized by dangerously high levels of low-density lipoprotein (LDL) cholesterol from birth. While commonly referred to as Familial Hypercholesterolemia, it is also clinically known as Type IIa Hyperlipoproteinemia or familial hypercholesterolemic xanthomatosis in older medical literature. What are the common synonyms and historical names for Familial Hypercholesterolemia? The medical community primarily uses the term Familial Hypercholesterolemia to ensure clear communication.
Familial Hypercholesterolemia synonyms
Other names for Familial Hypercholesterolemia: synonyms, acronyms and related terms used by doctors and patients.
Familial Hypercholesterolemia (FH) is a genetic disorder characterized by dangerously high levels of low-density lipoprotein (LDL) cholesterol from birth. While commonly referred to as Familial Hypercholesterolemia, it is also clinically known as Type IIa Hyperlipoproteinemia or familial hypercholesterolemic xanthomatosis in older medical literature.
What are the common synonyms and historical names for Familial Hypercholesterolemia?
The medical community primarily uses the term Familial Hypercholesterolemia to ensure clear communication. However, patients may encounter various terms in medical records or legacy research papers. Historical names often reflect the clinical manifestations observed before the genetic basis was fully understood, such as "familial hypercholesterolemic xanthomatosis." In older classification systems, you may see it referred to as Type IIa Hyperlipoproteinemia based on the Fredrickson classification of lipid disorders.
How is Familial Hypercholesterolemia classified in medical databases?
To navigate medical records and research, it is helpful to know the official coding used by international health organizations. These identifiers help standardize the diagnosis of Familial Hypercholesterolemia across global healthcare systems:
- OMIM (Online Mendelian Inheritance in Man): #143890 (Heterozygous) and #231100 (Homozygous)
- Orphanet: ORPHA79606
- ICD-10-CM: E78.01 (Familial hypercholesterolemia)
Why does Familial Hypercholesterolemia have multiple names?
The variation in naming for Familial Hypercholesterolemia stems from the evolution of medical science. Early descriptions were based on phenotypic observations, such as the presence of xanthomas (fatty deposits under the skin), leading to descriptive names. As our understanding of the genetic mutations—most commonly in the LDLR, APOB, or PCSK9 genes—advanced, the nomenclature shifted toward the specific underlying metabolic defect. Today, Familial Hypercholesterolemia is the universally preferred term, as it accurately captures both the hereditary nature and the primary biochemical presentation of the condition.
Next steps
- Consult a lipid specialist or cardiologist to confirm your specific genetic diagnosis.
- Connect with the 14 members of the Familial Hypercholesterolemia community at DiseaseMaps.org to share experiences.
- Request a referral for cascade screening to ensure family members are also tested.
Medical disclaimer: This content is for informational purposes only and does not constitute professional medical advice, diagnosis, or treatment; always seek the advice of your physician with any questions regarding a medical condition.
References
- Orphanet: Familial Hypercholesterolemia (ORPHA79606)
- NIH GARD (Genetic and Rare Diseases Information Center): Familial Hypercholesterolemia
- OMIM (Online Mendelian Inheritance in Man): #143890
- FH Foundation: Understanding Familial Hypercholesterolemia
