Autoimmune pancreatitis type 1

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Autoimmune pancreatitis type 1

ORPHA:280302Clinical subtype

Also called AIP type 1 · IgG4-related pancreatitis · Lymphoplasmacytic sclerosing pancreatitis

What it is

Type 1 autoimmune pancreatitis is a form of autoimmune pancreatitis seen in elderly males (>60 years) and presenting with abdominal pain, steatorrhea, obstructive jaundice and other organ (bile duct, kidneys and retroperitoneum) involvement. It is thought to be due to an immunoglobulin G4 (IgG4)-associated systemic disease.

Key facts

Age of onset
Adult
Inheritance
Not applicable
Classified as
Clinical subtype

ICD-10 codes

K86.1filed under a broader ICD-10 category — shared with 6 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

MONDO 0017227UMLS C4302243

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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