J4520 - Mild intermittent asthma without complications

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 mild intermittent asthma that is uncomplicated, meaning there are no additional health issues or severe symptoms present. Mild intermittent asthma is the least severe form of asthma, where symptoms occur infrequently and don't significantly interfere with daily activities. This classification falls under chronic lower respiratory diseases and indicates that while you have asthma, it's well-controlled and not causing major breathing problems.

Additional Information

This is a diagnostic code used for billing and medical record purposes. The 'uncomplicated' designation means no additional respiratory complications are present at the time of diagnosis.

Category

Chronic lower respiratory diseases

Medical Specialty

Pulmonology/Respiratory Medicine

Expected Costs

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

What's Required Before This

  • Diagnosis requires medical evaluation and pulmonary function testing
  • Symptoms must meet criteria for mild intermittent classification

What to Expect After

  • Regular monitoring with healthcare provider
  • Asthma action plan development
  • Inhaler technique education
  • Trigger identification and avoidance

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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