Social Security Disability: What is an Onset Date?

On This Page

1. Understanding the Significance of the Onset Date
2. What is the Onset Date?
3. Determining the Onset Date
4. Challenges in Determining the Onset Date
5. Getting Help with Disability Benefits

REVIEWED BY

C. William Kenny

May 05, 2024

Board certified by National Board of Trial Advocacy

Understanding the Significance of the Onset Date

Social Security Disability Insurance (SSDI) is a critical safety net for individuals who are unable to work due to a disability. While many people are aware of the basic eligibility requirements for SSDI benefits, such as having a qualifying disability and a work history, the concept of an onset date is often not discussed. In this blog post, we will discuss the significance of the onset date for Social Security Disability and why it matters.

What is the Onset Date?

The onset date refers to the date when the Social Security Administration (SSA) determines that your disability began. This date is crucial because it affects various aspects of your SSDI claim, including when you become eligible for benefits and the amount of back pay you may receive.

Determining the Onset Date

Determining the onset date involves evaluating medical evidence, work history and the severity of the disability. The SSA considers the alleged onset date provided by the applicant, medical records and statements from medical professionals. The goal is to establish when the disability prevented the individual from engaging in substantial gainful activity (SGA.)

Importance of the Onset Date

1. Eligibility for Benefits: The onset date is used to determine when you become eligible for SSDI benefits. Typically, there is a waiting period of five full months from the onset date before benefits can begin. Therefore, selecting the correct onset date is crucial to avoid unnecessary delays in receiving benefits.
2. Calculation of Back Pay: Back pay is the retroactive payment of benefits covering the period between the onset date and the approval of the SSDI application. The onset date directly influences the amount of backpay you may receive. 

Challenges in Determining the Onset Date

While the importance of the onset date is clear, determining it can be complex. Medical records may not always provide a clear indication of when a disability began impacting an individual’s ability to work. Additionally, applicants may face challenges in accurately recalling the onset of their symptoms, especially if the disability developed gradually over time.

Discrepancies between the alleged onset date and medical evidence can lead to delays or denials in the SSDI application process. In such cases, applicants may need to provide additional documentation or seek legal assistance to support their claim.

Tips for Establishing the Onset Date

1. Maintain Detailed Records: Keep thorough records of medical appointments, treatments and symptoms related to your disability. These records can help provide evidence of when the disability began affecting your ability to work.
2. Consult with Medical Professionals: Obtain statements from healthcare providers documenting the progression of your disability and its impact on your ability to work. Medical opinions can carry significant weight in establishing the onset date.
3. Seek Legal Guidance: If you encounter challenges in determining the onset date or face difficulties in the SSDI application process, consider consulting a qualified SSD attorney. They can provide valuable guidance and representation throughout the process.

Getting Help with Disability Benefits

Whether you are preparing to apply for SSD benefits or navigating the appeals process, having a clear understanding of the onset date can help you ensure you receive the proper amount of benefits you deserve.

Contact the experienced SSD attorneys of Berger and Green for a free case evaluation.