Can I file a small claims suit (under $5k) against a repair shop for diagnosing but failing to fix my car?

All it takes to file suit is a filing fee. However, there is not enough information to determine whether you would win.

Could this be considered a lawsuit?

No it is not a lawsuit, There is no negligence by the hospital.

If I were to fall of the chair would the company be responsible for my injury's

Address your concerns with your employer. If you are injured, you can seek worker's comp benefits.

It's impossible to tell you the value of your case without more facts. Your attorney is in the best position to evaluate your case. It is typical...

How should we handle my wife's car accident settlement case if she's pregnant?

It is always best to direct these types of questions to your attorney. My suggestion would be to wait on your wife's case until the baby arrives...