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Subsequent Injuries Benefit Trusts Fund (SIBTF)
The Subsequent Injuries Benefit Trust Fund (SIBTF) was created to support workers with pre-existing disabilities who suffer an additional work-related injury. It provides supplemental compensation when the combined impact of both conditions results in significant permanent disability.
Who Qualifies for SIBTF?
You may be eligible if:
- You had a pre-existing permanent partial disability.
- You sustained a new work-related injury that caused additional permanent disability.
- The combined disabilities equal 70% or more of total permanent disability.
Additional conditions include:
- The previous and new disabilities affect opposite limbs (e.g., right leg and left leg) and the new injury rates at least 5%, or
- The new injury alone rates at least 35% permanent disability.
SIBTF benefits are paid in addition to workers’ compensation for the subsequent injury alone.


Who Qualifies for SIBTF?
You may be eligible if:
- You had a pre-existing permanent partial disability.
- You sustained a new work-related injury that caused additional permanent disability.
- The combined disabilities equal 70% or more of total permanent disability.
Additional conditions include:
- The previous and new disabilities affect opposite limbs (e.g., right leg and left leg) and the new injury rates at least 5%, or
- The new injury alone rates at least 35% permanent disability.
SIBTF benefits are paid in addition to workers’ compensation for the subsequent injury alone.
Why Choose Spectrum Eval for SIBTF Evaluations?
At Spectrum Eval, we specialize in disability evaluations that meet
the complex legal and medical requirements of California’s SIBTF program.
Board-Certified Experts
We have Board-Certified Experts across orthopaedic and internal medicine specialties.
Legally defensible reports
Accurate disability calculations
Trusted by Legal Experts
Timely reports & follow-up
Who Qualifies for SIBTF Benefits?
SIBTF benefits are paid in addition to your workers’ compensation award, offering crucial financial support for workers with cumulative impairments.
- You had a pre-existing permanent partial disability.
- You sustained a new work-related injury resulting in additional permanent impairment.
- The combined disability rating is 70% or more under California’s rating schedule.
- You may qualify if the new injury is rated 35% or more, or 5% with impairments on opposite sides of the body.

How the Evaluation Process Works
Case Intake & History Review

In-Person Medical Evaluation

Disability Rating Calculation

Certified Report Delivery

Support for Legal Proceedings

Case Intake & History Review
We gather detailed medical records of past and recent injuries for a complete case assessment.

In-Person Medical Evaluation

Disability Rating Calculation

Certified Report Delivery

Support for Legal Proceedings

Frequently Asked Questions
What is the SIBTF in California?
Does my previous disability need to be job-related?
How do I know if I meet the 70% disability threshold?
How long does it take to get an SIBTF evaluation?
Will these benefits replace my workers’ compensation?
