R42 Dizziness and giddiness

Billable ICD-10-CM code, FY2026.

Applicable to

• Light-headedness
• Vertigo NOS

Excludes1 (never code together)

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

Applies from R42 Dizziness and giddiness

Applicable to

• Light-headedness
• Vertigo NOS

Excludes1 (never code together)

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

MS-DRG index

Defines the logic of DRG(s) 149 in MDC 03.

Approximate ICD-9-CM (GEMs)

• 780.4 Dizziness and giddiness

Code annotations containing back-references to R42

Back-references to R42

• Type 1 Excludes: H81 Disorders of vestibular function ("vertigo NOS (R42)")
• Type 1 Excludes: R27 Other lack of coordination ("vertigo NOS (R42)")
• Type 1 Excludes: T75.23 Vertigo from infrasound ("vertigo NOS (R42)")

Back-references to R42

• Type 1 Excludes: H81 Disorders of vestibular function ("vertigo NOS (R42)")
• Type 1 Excludes: R27 Other lack of coordination ("vertigo NOS (R42)")
• Type 1 Excludes: T75.23 Vertigo from infrasound ("vertigo NOS (R42)")

Diagnosis Index entries for R42

• Disturbance (s) › equilibrium
• Dizziness
• Dysequilibrium
• Giddiness
• Light › headedness
• Swimming in the head
• Syndrome › Mal de Debarquement
• Vertigo

Nearby codes

• R42 Dizziness and giddiness (this code)