ICD-10-CM R42 is the diagnosis code for Dizziness and giddiness. This code falls under the section "Symptoms and signs involving cognition, perception, emotional state and behavior" within Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as R42. They are mutually exclusive:
Understanding where R42 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, R42 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
R42 is the ICD-10-CM diagnosis code for "Dizziness and giddiness". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
R42 is located in Section R40-R46 — "Symptoms and signs involving cognition, perception, emotional state and behavior" within Chapter 18 of the ICD-10-CM Tabular List.
Use R42 when the patients documented diagnosis matches "Dizziness and giddiness" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Dizziness and giddiness is R42.
Yes, R42 can be used as a primary diagnosis code since it is billable and specific.
R42 is in Chapter 18 of the ICD-10-CM Tabular List.
Type 1 Excludes for R42 include: vertiginous syndromes (H81.-); vertigo from infrasound (T75.23).
Yes, R42 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.