---
title: "ICD-10-CM R42: Dizziness and giddiness | BillingBrief"
description: "ICD-10-CM code R42: Dizziness and giddiness. Category, related codes, and the official source, in plain English."
canonical: "https://billingbrief.com/icd10/r42/"
language: "en"
---

# R42 Dizziness and giddiness

ICD-10-CM · [CMS code reference](#source)

**Official ICD-10-CM description:** Dizziness and giddiness

## Coding notes

From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.

### Also covers

-   Light-headedness
-   Vertigo NOS

### Excludes1

Not coded together with this code. The exception is when the two conditions are unrelated to each other.

-   vertiginous syndromes (H81.-)
-   vertigo from infrasound (T75.23)

### Excludes2

Not part of this code, but both can be coded when both are documented.

-   symptoms and signs constituting part of a pattern of mental disorder (F01-[F99](https://billingbrief.com/icd10/f99/))

## Common questions

### Is R42 a billable code?

Yes. R42 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.

## From the source

Official description from [CMS](https://www.cms.gov/medicare/coding-billing/icd-10-codes).
ICD-10-CM FY2027 (effective October 1, 2026).

Code set

ICD-10-CM

Category

R42 Dizziness and giddiness

Chapter

Symptoms, signs and abnormal clinical and laboratory findings

Billable

Yes

Educational reference only. Not medical, legal, or billing advice. Always check the current official code set and payer policy before you bill. [About BillingBrief and our sources](https://billingbrief.com/about/).