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B02.9 — Zoster without complications
B02.9
What this code means
Shingles is a painful blistering rash caused by reactivation of the chickenpox virus in a nerve root.
Also called: shingles, herpes zoster.
When this code is used
Used for shingles (zoster) without complications.
Where it sits in ICD-10-CM
Code B02.9 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
Watch: related videos
Frequently asked questions
What is ICD-10-CM code B02.9?
B02.9 is the ICD-10-CM diagnosis code for “Zoster without complications”. Shingles is a painful blistering rash caused by reactivation of the chickenpox virus in a nerve root.
When is code B02.9 used?
Used for shingles (zoster) without complications. 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.