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K30 — Functional dyspepsia
K30
What this code means
Functional dyspepsia is persistent upper abdominal discomfort or fullness with no structural cause found on investigation.
Also called: functional dyspepsia, indigestion.
When this code is used
Used for functional dyspepsia.
Where it sits in ICD-10-CM
Code K30 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
Frequently asked questions
What is ICD-10-CM code K30?
K30 is the ICD-10-CM diagnosis code for “Functional dyspepsia”. Functional dyspepsia is persistent upper abdominal discomfort or fullness with no structural cause found on investigation.
When is code K30 used?
Used for functional dyspepsia. 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.