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K85.90 — Acute pancreatitis without necrosis or infection, unspecified
K85.90
What this code means
Acute pancreatitis is sudden inflammation of the pancreas causing severe upper abdominal pain; here without tissue death or infection.
Also called: acute pancreatitis.
When this code is used
Used for acute pancreatitis without necrosis or infection, unspecified.
Where it sits in ICD-10-CM
Code K85.90 belongs to Chapter 11: Diseases of the digestive system, which covers codes K00–K95 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Related symptoms
Related anatomy
Watch: related videos
Frequently asked questions
What is ICD-10-CM code K85.90?
K85.90 is the ICD-10-CM diagnosis code for “Acute pancreatitis without necrosis or infection, unspecified”. Acute pancreatitis is sudden inflammation of the pancreas causing severe upper abdominal pain; here without tissue death or infection.
When is code K85.90 used?
Used for acute pancreatitis without necrosis or infection, unspecified. It belongs to Chapter 11 of ICD-10-CM (Diseases of the digestive system).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.