R430 - Complete loss of smell (anosmia)

International Classification of Diseases

Last updated: 5/22/2026

What is a ICD-10 Code?

ICD-10 (International Classification of Diseases, 10th Revision) codes are used to classify and code all diagnoses, symptoms, and procedures recorded in association with hospital care. These codes provide a standardized way to track health conditions and their treatment outcomes.

Detailed Description

This code represents anosmia, which is the complete inability to smell. This condition means you cannot detect any odors or scents. Anosmia can be temporary or permanent and may result from various causes including infections, nasal blockages, head injuries, or other medical conditions. It has gained particular attention as a symptom associated with COVID-19, though it can occur for many other reasons.

Additional Information

Anosmia can significantly impact quality of life and may affect taste perception. It's important to identify and treat any underlying causes when possible.

Category

Symptoms and signs involving the nervous and musculoskeletal systems

Medical Specialty

Otolaryngology (ENT), Neurology, Primary Care

Expected Costs

Your actual cost will depend on your insurance coverage, provider location, and specific circumstances.

What's Required Before This

  • Medical evaluation to determine underlying cause
  • Possible smell testing
  • Physical examination of nasal passages

What to Expect After

  • Treatment of underlying condition if identified
  • Monitoring for improvement
  • Possible referral to ENT specialist if persistent

Why Understanding This Code Matters

On Your Medical Bill

This code appears on your medical bills to identify the specific service, procedure, drug, or medical diagnosis you received. Understanding what it means helps you verify you're being charged correctly and know what to expect.

For Your Health

Knowing what this code represents helps you understand your treatment plan, ask better questions during appointments, and track your healthcare journey more effectively.

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