F329 - Major depression, first episode, severity not specified

International Classification of Diseases

Last updated: 10/3/2025

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 indicates a diagnosis of major depressive disorder during your first episode of depression. Major depressive disorder is a serious mental health condition characterized by persistent feelings of sadness, hopelessness, and loss of interest in activities you once enjoyed. This is considered a 'single episode' because it's either your first time experiencing major depression or you've had significant periods of normal mood between any previous episodes. The 'unspecified' part means your healthcare provider hasn't documented the specific severity level (mild, moderate, or severe) of your current depression. This diagnosis typically requires symptoms to be present for at least two weeks and to significantly impact your daily functioning, work, or relationships.

Additional Information

Depression is a treatable condition. Treatment may include therapy, medication, or both. It's important to follow your healthcare provider's recommendations and seek immediate help if you have thoughts of self-harm. The lab test mentioned in your claim may be related to ruling out medical causes of depression or monitoring medication levels.

Category

Mental Health/Psychiatric Disorders

Medical Specialty

Psychiatry, Psychology, Primary Care

Expected Costs

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

What's Required Before This

  • Clinical evaluation by qualified healthcare provider
  • Assessment of symptoms lasting at least 2 weeks
  • Rule out other medical conditions

What to Expect After

  • Regular follow-up appointments with mental health provider
  • Possible therapy or counseling
  • Medication management if prescribed
  • Safety assessment and monitoring
  • Lifestyle modifications and support systems

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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