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Workers Comp Classification Codes – How Do We Verify Them?


Workers Comp Classification Codes

This question on Workers Comp Classification Codes was phoned into our offices last week due to the prior post on Classification Codes.   One of the blog readers asked where to find the manual or website that contains all of the Workers Comp Class Codes.

Picture Of Folder and Magnifying Glass Workers Comp Classification Codes Concept

The employer had received a workers comp audit and subsequent billing recently.  The employer did not notice they had new classification codes on their policy and at time of audit.

The one main determinant is what states or states are covered by the policy.  There are many independent rating bureaus that have their own classification codes manual such as California or Ohio.

The NCCI out of Boca Raton, FL covers most of the individual states and covers virtually all of the interstate (multistate) ratings including classification codes.

The Scopes Manual is produced by NCCI.   This is the manual which contains all of the workers comp classification codes.   However, referencing the manual and attempting any type of dispute comes with a Goliath caveat.

We receive a large number of emails and calls from employers that have decided to DIY on this subject.   The employer has often referenced some type of classification manual and disputed the classification codes.

The carrier accepted the codes which actually increased their earned premium over what was contained in the audit billing.

One has to also be very careful when attempting to switch class codes if your company has a very high Mod (E-Mod or X-Mod).   This is one of the most frequent ways to actually end up paying more premium.

Woman Audit Bill Workers Comp Classification Codes Using Calculator

If your company has a high Mod and then changes workers comp class codes to less risky ones, your Mod may increase enough to offset any type of refund that you would be owed and even result in a higher bill.

We usually receive the phone call after the Classification  Codes have been reassigned and the Mod has spiked.   There is not much we can do at that point.

Recalculating (re-promulgating) the Mod should be part of the dispute process.

The increased Mod is the result of the intricacies of the rating and Mod formulas.    For the most part,  Mods and class codes have an inverse relationship of sorts.

There are many articles in this blog concerning the premium dispute process.  Feel free to use them to aid your company in researching the workers comp class codes.

This post was not meant to discourage any employer that has questions on their policy and audit to find out the correct answers or to dispute any audit.

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James J Moore - Workers Comp Expert

Raleigh, NC, United States

About The Author...

James founded a Workers’ Compensation consulting firm, J&L Risk Management Consultants, Inc. in 1996. J&L’s mission is to reduce our clients’ Workers Compensation premiums by using time-tested techniques. J&L’s claims, premium, reserve and Experience Mod reviews have saved employers over $9.8 million in earned premiums over the last three years. J&L has saved numerous companies from bankruptcy proceedings as a result of insurance overpayments.

James has over 27 years of experience in insurance claims, audit, and underwriting, specializing in Workers’ Compensation. He has supervised, and managed the administration of Workers’ Compensation claims, and underwriting in over 45 states. His professional experience includes being the Director of Risk Management for the North Carolina School Boards Association. He created a very successful Workers’ Compensation Injury Rehabilitation Unit for school personnel.

James’s educational background, which centered on computer technology, culminated in earning a Masters of Business Administration (MBA); an Associate in Claims designation (AIC); and an Associate in Risk Management designation (ARM). He is a Chartered Financial Consultant (ChFC) and a licensed financial advisor. The NC Department of Insurance has certified him as an insurance instructor. He also possesses a Bachelors’ Degree in Actuarial Science.

LexisNexis has twice recognized his blog as one of the Top 25 Blogs on Workers’ Compensation. J&L has been listed in AM Best’s Preferred Providers Directory for Insurance Experts – Workers Compensation for over eight years. He recently won the prestigious Baucom Shine Lifetime Achievement Award for his volunteer contributions to the area of risk management and safety. James was recently named as an instructor for the prestigious Insurance Academy.

James is on the Board of Directors and Treasurer of the North Carolina Mid-State Safety Council. He has published two manuals on Workers’ Compensation and three different claims processing manuals. He has also written and has been quoted in numerous articles on reducing Workers’ Compensation costs for public and private employers. James publishes a weekly newsletter with 7,000 readers.

He currently possess press credentials and am invited to various national Workers Compensation conferences as a reporter.

James’s articles or interviews on Workers’ Compensation have appeared in the following publications or websites:

  • Risk and Insurance Management Society (RIMS)
  • Entrepreneur Magazine
  • Bloomberg Business News
  • WorkCompCentral.com
  • Claims Magazine
  • Risk & Insurance Magazine
  • Insurance Journal
  • Workers Compensation.com
  • LinkedIn, Twitter, Facebook and other social media sites
  • Various trade publications


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