The first estimate may cover only the damage that is visible. Removing a bumper, trim or other damaged parts can reveal additional work. A revised estimate records that work; on an insurance claim, the added request is often called a supplement.

A dent does not show the whole impact

A panel can hide mounting points, wiring and other components. An exterior photograph cannot establish the condition of everything behind it. This is why an early estimate and a repair plan made after inspection may be different.

I-CAR’s collision repair process overview describes damage analysis and the role of partial disassembly in finding damage that is not visible at first.

What a supplement should explain

Ask which additional parts or operations were found, why they are needed, and whether the schedule will change. Photos and an itemized explanation are more useful than simply being told that the price went up.

For an insurance repair, the shop and insurer may need to discuss or reinspect the added damage. Progressive’s published supplement guidelines describe one insurer’s process. Your own claim may follow different steps.

Know what you are authorizing

Ask to see the revised work before agreeing to extra out-of-pocket costs. Confirm who has approved it and whether you are responsible for anything beyond the deductible. A supplement request is not, by itself, a guarantee of insurance payment.

Keep the original estimate, revised estimate and messages together. If you’re unsure what an added line means, ask the shop to point out the damaged part and explain the operation in plain language.

Talk to us about your car

Call (301) 577-3131 or email photos to . You can also visit us at 9401 Lanham Severn Rd, Suite H, Lanham, MD 20706.

Collision Repair · Shop hours & contact details