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B96.81 — Helicobacter pylori [H. pylori] as the cause of diseases classified elsewhere
B96.81
What this code means
Helicobacter pylori is a bacterium that lives in the stomach lining and is linked to stomach ulcers and gastritis.
Also called: h pylori, helicobacter pylori.
When this code is used
Used as an additional code when H. pylori is recorded as the cause of a condition classified elsewhere, such as gastritis or ulcer.
Where it sits in ICD-10-CM
Code B96.81 belongs to Chapter 1: Infectious and parasitic diseases, which covers codes A00–B99 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 B96.81?
B96.81 is the ICD-10-CM diagnosis code for “Helicobacter pylori [H. pylori] as the cause of diseases classified elsewhere”. Helicobacter pylori is a bacterium that lives in the stomach lining and is linked to stomach ulcers and gastritis.
When is code B96.81 used?
Used as an additional code when H. pylori is recorded as the cause of a condition classified elsewhere, such as gastritis or ulcer. It belongs to Chapter 1 of ICD-10-CM (Infectious and parasitic diseases).
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.