Igg4 Related Sclerosing Cholangitis C4302109
Scarring and narrowing of bile ducts caused by IgG4-related disease, often mimicking cancer on imaging. It typically affects middle-aged adults and usually responds to corticosteroid treatment with careful monitoring.
Key facts at a glance
- ICD-10
- K76.9
- ICD-11
- DA00.0
- Body system
- hepatobiliary
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(hepatobiliary)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Jaundice
(hepatobiliary)Abdominal pain
(hepatobiliary)Weight loss
(hepatobiliary)Pruritus
(hepatobiliary)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Glucocorticoid therapy
Corticosteroids are first-line treatment to reduce bile duct inflammation and fibrosis in IgG4-related sclerosing cholangitis. Initial high doses are gradually tapered based on liver enzyme normalization and imaging response.
Medication management with follow-up
Active treatment with regular monitoring by a healthcare provider is recommended.
Ursodeoxycholic acid
Bile acid therapy helps improve liver function tests and may provide symptomatic relief in cholestatic disease, often used in combination with corticosteroids.
Additional treatment options
Endoscopic intervention
ERCP with stenting or balloon dilation for dominant strictures to relieve obstructive symptoms and obtain tissue samples for diagnosis confirmation.
procedureNutritional support for fat malabsorption
Medium-chain triglyceride supplementation and fat-soluble vitamin replacement address fat-soluble vitamin deficiencies common in chronic cholestasis.
dietaryLiver function and imaging surveillance
Regular monitoring of liver enzymes, bilirubin, and imaging studies including MRCP to assess disease progression and treatment response.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Igg4 Related Sclerosing Cholangitis C4302109?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy