Q44.4
BillableCholedochal cyst
Choledochal cyst
Coding Notes
Excludes 2
Conditions not included here, but the patient may have both
Related Codes(7)
Q44.0Agenesis, aplasia and hypoplasia of gallbladder
Q44.1Other congenital malformations of gallbladder
Q44.2Atresia of bile ducts
Q44.3Congenital stenosis and stricture of bile ducts
Q44.5Other congenital malformations of bile ducts
Q44.6Cystic disease of liver
Q44.7Other congenital malformations of liver
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(88)
SNOMED CT
- Choledochocele397868007
- Choledochocoele397868007
- Type III choledochal cyst397868007
- Congenital biliary duct cyst398197009
- Congenital choledochal cyst398197009
- Congenital cystic dilatation of wall of biliary tract398197009
- Cystic dilatation of common bile duct440471007
- Congenital dilatation of CBD (common bile duct)1155727009
- Congenital dilatation of common bile duct1155727009
- Congenital dilation of CBD (common bile duct)1155727009
- Congenital dilation of common bile duct1155727009
- Congenital choledochal cyst of common bile duct1204346009
- Congenital cystic dilatation of common bile duct1204346009
- Choledochal cyst1204371007
- Choledochocyst1204371007
- Cystic dilatation of wall of biliary tract1204371007
UMLS
- BILE DUCT CYSTSC0008340
- Bile Duct CystC0008340
- Bile Duct CystsC0008340
- CHOLEDOCHAL CYSTSC0008340
- CHOLEDOCHOCELEC0008340
- Choledochal CystC0008340
- Choledochal Cyst, CongenitalC0008340
- Choledochal CystsC0008340
- Choledochal cystC0008340
- Choledochal cyst (disorder)C0008340
- CholedochoceleC0008340
- Choledochocele (disorder)C0008340
- CholedochocelesC0008340
- CholedochocoeleC0008340
- CholedochocystC0008340
- Congenital Choledochal CystC0008340
- Congenital Choledochal CystsC0008340
- Congenital biliary duct cystC0008340
- Congenital choledochal cystC0008340
- Congenital choledochal cyst (disorder)C0008340
- Congenital choledochal cyst of common bile ductC0008340
- Congenital cystic dilatation of common bile ductC0008340
- Congenital cystic dilatation of common bile duct (disorder)C0008340
- Congenital cystic dilatation of wall of biliary tractC0008340
- Cyst of the ductus choledochusC0008340
- Cyst, Bile DuctC0008340
- Cyst, CholedochalC0008340
- Cyst, Congenital CholedochalC0008340
- Cystic dilatation of common bile ductC0008340
- Cystic dilatation of common bile duct (disorder)C0008340
- Cystic dilatation of wall of biliary tractC0008340
- Duct Cyst, BileC0008340
- choledochal cystC0008340
- choledochal cystsC0008340
- choledochoceleC0008340
- choledochocoeleC0008340
- choledochocystC0008340
- choledochus cystC0008340
- cyst choledochalC0008340
Clinical Terms
- Congenital cystic dilatation of wall of biliary tract
- Congenital choledochal cyst (disorder)
- Cyst, Congenital Choledochal
- Bile Duct Cysts
- Congenital dilation of common bile duct
- CHOLEDOCHAL CYSTS
- Congenital Choledochal Cysts
- Choledochal cyst (disorder)
- Congenital cystic dilatation of common bile duct (disorder)
- Cystic dilatation of common bile duct (disorder)
- Congenital dilatation of common bile duct
- Congenital dilatation of CBD (common bile duct)
- Choledochocele
- Congenital choledochal cyst
- Cystic dilatation of common bile duct
- Cystic dilatation of wall of biliary tract
- Cyst of the ductus choledochus
- Choledochocyst
- Cyst, Choledochal
- Choledochal Cyst, Congenital
- Congenital dilation of CBD (common bile duct)
- choledochus cyst
- Cyst, Bile Duct
- Bile Duct Cyst
- cyst choledochal
- Congenital cystic dilatation of common bile duct
- Duct Cyst, Bile
- Choledochoceles
- Congenital choledochal cyst of common bile duct
- Type III choledochal cyst
- Choledochocoele
- Congenital biliary duct cyst
- Choledochocele (disorder)
Frequently Asked Questions
What is the ICD-10 code for choledochal cyst?
The ICD-10-CM code for choledochal cyst is Q44.4. The full clinical description is "Choledochal cyst". Q44.4 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code Q44.4 mean?
ICD-10-CM code Q44.4 represents “Choledochal cyst”. It is classified under Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities and is a billable/specific code that can be used on a claim.
Is Q44.4 a billable code?
Yes, Q44.4 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is Q44.4 in?
Q44.4 is in Chapter 17: Congenital Malformations, Deformations and Chromosomal Abnormalities (codes Q00-Q99).
What SNOMED CT codes does Q44.4 map to?
Q44.4 maps to 6 SNOMED CT concepts: 1204371007, 397868007, 398197009, 1204346009, 1155727009, and 1 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for Q44.4?
Q44.4 is linked to 1 UMLS Concept Unique Identifier: C0008340. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does Q44.4 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like choledochal cyst affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of Q44.4?
Q44.4 maps to the ICD-11 code: LB20.20 (Choledochal cyst).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.