Accounts Receivable
If Paying by Check
Please Send Payment To:
Accounts Receivable
WI State Laboratory of Hygiene
P.O. Box 78770
Milwaukee, WI 53278-0770
If Paying by VISA or MasterCard
Make a secure online credit card payment
Or call 800-862-1065 (do not email) — Monday-Friday, 7:45 a.m.-4:30 p.m. (CST)
Invoice Terms
Payments are due within 30 days of receipt. Applies to new charges only. Payments not made within 90 days may be referred to a collections agency and may result in legal proceedings.
WSLH Employer Identification Number (EIN) & Federal Tax ID Number: 39-1805963
WSLH Data Universal Numbering System (DUNS) Number: 153884929
Payment Questions
Clinical Laboratories: 608-265-5381
Proficiency Testing: 608-890-3566
Environmental Laboratories: 608-265-4071
Occupational Health Laboratories: 608-265-4071