ICD-10-CM · Chapter 18 · R00-R99
R42 Dizziness and giddiness
Includes
- Light-headedness
- Vertigo NOS
Excludes 1 (cannot be coded together)
- vertiginous syndromes (H81.-)
- vertigo from infrasound (T75.23)
This category is a complete, billable diagnosis code.
No additional specificity is required — submit R42 directly on claims and documentation without a subcode extension.
Plain-language terms for this code
The following entries in the US Medical Glossary correspond to ICD-10-CM category R42:
- Dizziness — Mareo
- Balance Problems — Problemas de equilibrio
Last reviewed: September 2026