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Where is Volume 3 of ICD-9-CM typically not used?

  1. Emergency rooms

  2. Dental practices

  3. Physician's office/clinic setting

  4. Pharmacies

The correct answer is: Physician's office/clinic setting

Volume 3 of ICD-9-CM is focused on procedure codes, which are used primarily in hospitals and other inpatient settings. In a physician's office or clinic setting, procedures are typically coded using Current Procedural Terminology (CPT) codes, which are maintained by the American Medical Association. Therefore, Volume 3 of ICD-9-CM is typically not used in physician's offices or clinic settings.