Marshfield Labs
1000 North Oak Avenue
Marshfield, WI 54449-5795
Reference Services
- Toll-free: 800-222-5835
- Direct dial: 715-221-6700
- Fax: 715-221-6215
- Billing questions: 715-389-0616
- Customer Service Email: mlcussev@marshfieldclinic.org
- Web Portal Helpline (technical support): 866-522-2611
Veterinary Services
- Toll-free: 800-222-5835
- Direct dial: 715-221-6700
- Fax: 715-221-6215
- Billing questions: 715-389-0616
- Customer Service Email: mlcussev@marshfieldclinic.org
- Web Portal Helpline (technical support): 866-522-2611
- Waukesha Lab (only)
- Toll-free: 800-571-7606
- Direct dial: 262-521-0600
- Fax: 262-521-2754
Toxicology Services
- Toll-free: 800-331-3734
- Direct-dial: 715-389-3734
- Fax: 715-389-3737
- Billing questions: 715-389-0616
- Email: forensic.toxicology@marshfieldclinic.org
Questions & Comments by E-Mail
To request specific information about Marshfield Laboratories, please
complete the following form. Be sure to include your postal mailing address.
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