Class code 5951: Anti Toxin, Serum or Virus Mfg. & Drivers
Class 5951 is the NCCI workers' comp code for “Anti Toxin, Serum or Virus Mfg. & Drivers”.
The facts
- Official wording (NCCI)
- Anti Toxin, Serum or Virus Mfg. & Drivers
- Industry group (our dictionary)
- Manufacturing
- Hazard group
- B
- State codes that differ
- DE 0555 · MI 4825 · PA 0555 · TX 4611
- Line
- Workers' comp
What it means
Class 5951 is the code carriers use to rate workers' comp payroll for this kind of work.
Drivers who work for the business are rated in this same code.
NCCI hazard group B, on a scale from A (least severe claims) to G (most severe).
Some states use their own code for this work: Delaware 0555, Michigan 4825, Pennsylvania 0555, Texas 4611.
Who writes class 5951, state by state
From our live eligibility engine, refreshed every day (page updated November 1, 2026). It shows who has appetite, not a price. The final decision is always the carrier's underwriter.
Instant quote available 46
By email or underwriter only 1
No market listed yet 0
State fund only 4
North Dakota (North Dakota Workforce Safety & Insurance) · Ohio (Ohio Bureau of Workers' Compensation) · Washington (Washington Department of Labor & Industries) · Wyoming (Wyoming Department of Workforce Services)
Carriers with appetite for class 5951
- Travelers · 46 states · instant quote
- CopperPoint · 19 states · instant quote
- AmTrust · 3 states · instant quote
- Chubb · 47 states
- Clear Spring · 47 states
- V3- National Liability & Fire Insurance Company · 47 states
- Ascendant Commercial Insurance · 46 states
- Amerisafe · 28 states
- Omaha National · 28 states
- AIG · 7 states
- Accident Fund Insurance Company Of America · 5 states
What does class code 5951 cover?
Class 5951 is the NCCI workers' comp code for “Anti Toxin, Serum or Virus Mfg. & Drivers”. Carriers use it to rate the payroll of people doing this kind of work. It sits in NCCI hazard group B.
Who writes class code 5951 workers' comp?
In our live appetite data (updated November 1, 2026), 11 carriers have appetite for class 5951 in at least one state, and 3 of them quote it instantly. An instant quote is available in 46 states. The final decision is always the carrier's underwriter.
Does every state use class code 5951?
No. In our dictionary these states use their own code for this work: Delaware 0555, Michigan 4825, Pennsylvania 0555, Texas 4611. North Dakota, Ohio, Washington and Wyoming write workers' comp through the state fund.