If you’ve ever bought workers’ compensation insurance online in ten minutes flat, you probably didn’t think twice about the “class code” box you clicked through. You should have. That code determines your rate, defines what your policy actually thinks your business does, and — if it’s wrong — sets you up for a painful surprise at audit time. This is one area where working with a live, licensed agent instead of a website isn’t a nice-to-have. It’s the difference between a policy that protects you and one that quietly costs you thousands.
What a Class Code Actually Does
Every workers’ comp policy is built around classification codes maintained by the National Council on Compensation Insurance (NCCI), the organization that develops the codes and loss data most states — including Missouri and Arkansas — use to price workers’ comp. Each code corresponds to a type of work, and each type of work carries its own risk and its own rate. A roofer and a bookkeeper working for the same company are not the same risk, and NCCI’s codes exist to price that difference accurately.
The problem is that most business owners have no idea these codes exist until something goes wrong. When you buy a policy through a self-service online platform, you’re usually the one selecting — or the system is auto-assigning — the code based on a general description you typed into a form. There’s no one checking your payroll records, your actual job duties, or how your revenue breaks down across different types of work. You’re guessing, and the platform is letting you.
The Consequences of Getting It Wrong
Picking the wrong class code isn’t a paperwork technicality. It has real financial consequences:
You can be underinsured. If your business is coded for lower-risk work than what your employees actually do, a claim can be investigated more closely, contested, or in worst-case scenarios lead to coverage disputes right when you need the policy most.
You will very likely face an audit adjustment. Nearly every workers’ comp policy is subject to a premium audit at the end of the policy term. The carrier reviews your actual payroll, job duties, and subcontractor usage against what was estimated at the time you bought the policy. If your business was coded incorrectly — even honestly, even by accident — the audit will correct it, and that correction is rarely in your favor. Businesses are frequently hit with unexpected additional premium bills, sometimes running into the thousands of dollars, months after they thought the transaction was closed.
You may not know it’s coming. Business owners who bought a policy without an agent often don’t understand that an audit is even part of the deal. They assume the quoted premium is the final premium. It isn’t. The quote is an estimate; the audit reconciles that estimate against reality — and reality includes every class code on the policy.
Subcontractor exposure compounds the problem. If your business uses subcontractors and you haven’t confirmed their own workers’ comp coverage with a current certificate of insurance, their payroll can get pulled into your audit as if they were your own employees — at whatever class code applies to their work. That’s an expensive mistake that has nothing to do with your own crew.
Why a Do-It-Yourself, Internet-Only Approach Falls Short
Buying workers’ comp online can feel efficient. But efficiency isn’t the same as accuracy, and nobody on the other end of that website is reviewing your operations the way a live agent would. A good agent asks the questions a form never will: What percentage of your payroll is clerical versus field work? Do you have owners or LLC members who should be included or excluded? Are your subcontractors properly insured? Does your business have multiple distinct operations that should be split across more than one code?
Missouri and Arkansas both regulate how workers’ comp is administered in their states, and both make resources available to verify coverage and understand classification and audit rights:
- Missouri: labor.mo.gov/DWC — Missouri Division of Workers’ Compensation
- Arkansas: Arkansas Department of Labor and Licensing — Workers’ Compensation
These resources are useful, but they don’t replace someone who’s actually looking at your operation before the policy is written — not after the audit bill shows up.
The Bottom Line
Workers’ compensation is one of the few insurance products where the price you’re quoted is never the final answer — the audit always has the last word. Getting your class codes right from the start, with someone who understands how NCCI codes work and how carriers apply them, is the single best way to avoid an unpleasant conversation twelve months from now. A live agent isn’t there to slow down the buying process. They’re there to make sure the audit doesn’t undo it.
To learn more vist our Workers Compensation Page for Missouri or Arkansas.
About the Author
Brandon Thompson is CEO and co-founder of MBG Insurance and a Certified Work Comp Advisor (CWCA), with particular expertise in workers’ compensation, high-value homes, lessor’s risk, and tree care risk. Read more about Brandon here.