Short answer · Medically reviewed summary · Last updated: 2026-04-07

Biliary Atresia is most commonly referred to by its modern clinical name, though it is occasionally historically documented as "extrahepatic ductopenia" or "obliterative cholangiopathy." While these synonyms appear in older medical literature, the term Biliary Atresia is the universally accepted standard in current pediatric hepatology and international classification systems. What are the common synonyms and historical names for Biliary Atresia? In medical literature, Biliary Atresia is a relatively stable term, but you may encounter variations depending on the age of the document or the specific clinical focus. Historical terms often focused on the anatomical destruction of the bile ducts.

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Biliary Atresia synonyms

Other names for Biliary Atresia: synonyms, acronyms and related terms used by doctors and patients.

Biliary Atresia is also known as...

Biliary Atresia is most commonly referred to by its modern clinical name, though it is occasionally historically documented as "extrahepatic ductopenia" or "obliterative cholangiopathy." While these synonyms appear in older medical literature, the term Biliary Atresia is the universally accepted standard in current pediatric hepatology and international classification systems.



What are the common synonyms and historical names for Biliary Atresia?


In medical literature, Biliary Atresia is a relatively stable term, but you may encounter variations depending on the age of the document or the specific clinical focus. Historical terms often focused on the anatomical destruction of the bile ducts. Common synonyms and related terms include:



  • Extrahepatic biliary atresia (EHBA)

  • Obliterative cholangiopathy

  • Progressive obliterative cholangiopathy

  • Congenital obliteration of the bile ducts

  • Extrahepatic ductopenia


Historically, the term "congenital obliteration of the bile ducts" was frequently used before the pathophysiology of Biliary Atresia was fully understood as an inflammatory, progressive process rather than a static congenital defect.



How is Biliary Atresia classified in international systems?


To ensure consistency in medical records and research, Biliary Atresia is classified under specific codes in major global databases. These codes are essential for clinicians when documenting the diagnosis:



  1. Orphanet: ORPHA:118 (Biliary atresia)

  2. ICD-10: Q44.2 (Atresia of bile ducts)

  3. ICD-11: DB90.0 (Biliary atresia)

  4. OMIM: 210500 (Biliary atresia, syndromic or non-syndromic)


These classifications help researchers globally track the 342 members of the DiseaseMaps.org community who have shared their experiences with this condition, ensuring that data is aggregated accurately across borders.



Why does Biliary Atresia have different names?


The variation in terminology for Biliary Atresia stems from the evolution of our understanding of the disease. Early 20th-century medicine viewed the condition as a developmental failure (an "atresia" or "absence" of ducts). However, modern research has revealed it is a dynamic, fibro-inflammatory process that occurs post-natally. Consequently, terms like "obliterative cholangiopathy" were introduced to better describe the progressive destruction of the biliary tree. Despite these descriptive alternatives, Biliary Atresia remains the preferred name because it is concise, widely recognized, and allows for clear communication between surgeons, pediatricians, and families.



Which name should I use when speaking with my medical team?


Medical professionals currently prefer the term Biliary Atresia. Using this standardized terminology ensures that your medical records are easily understood by specialists, insurance providers, and international research databases. If you see older terms like "extrahepatic ductopenia" on a historical report, it is synonymous with your current diagnosis and does not imply a different condition.



Next steps



  • Confirm your diagnosis using the ICD-10 or ICD-11 codes provided above when discussing your records with your pediatric hepatologist.

  • Connect with the 342 members of the DiseaseMaps.org Biliary Atresia community to share experiences and learn from others navigating the same diagnostic journey.

  • Consult a pediatric liver transplant center if you require specialized care or information on the Kasai procedure.



Medical disclaimer: This information is for educational purposes only and does not replace professional medical advice, diagnosis, or treatment; always seek the advice of your physician with any questions regarding a medical condition.



References


Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-04-07
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
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