ICD-10 Code R42: Dizziness and giddiness
Symptoms, signs and abnormal findings
ICD-10 code R42 identifies dizziness and giddiness, including lightheadedness not attributable to a specific vestibular disorder.
Coding guidance
Excludes vertiginous syndromes classified under H81.- and vertigo of central origin (H81.4).
Should be replaced by a specific diagnosis when a vestibular or neurologic cause is identified.
Frequently supports vestibular therapy and diagnostic evaluation.
Documentation and specificity notes
- Distinguish dizziness from true vertigo, which is coded under H81.-
- Replace with a specific diagnosis once evaluation identifies the cause.
- Supports medical necessity for vestibular testing and therapy.
This page provides a general summary for educational purposes and is not a substitute for the official ICD-10-CM code set, the ICD-10-CM Official Guidelines for Coding and Reporting, or payer policy. Code sets are updated annually, verify against the current official release before billing.
FAQ
ICD-10 R42, frequently asked questions questions
- What is ICD-10 code R42?
- ICD-10 code R42 identifies dizziness and giddiness, including lightheadedness not attributable to a specific vestibular disorder.
- Is R42 a billable ICD-10 code?
- Yes. R42 is a billable and specific ICD-10-CM code that may be used to indicate a diagnosis for reimbursement purposes, provided documentation supports it.
- What documentation supports R42?
- Distinguish dizziness from true vertigo, which is coded under H81.- Replace with a specific diagnosis once evaluation identifies the cause. Supports medical necessity for vestibular testing and therapy.
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