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ESWAB ESwab Collection Video

ESwab Collection Video
Test Code:  
Specimen Requirements
​Click here to review the ESwab collection video
Ordering Applications
Ordering Application Description
If the ordering application you are looking for is not listed, contact your local laboratory for assistance.
Specimen Requirements
​Click here to review the ESwab collection video
For more information visit:

​Marshfield Labs
1000 North Oak Avenue
Marshfield, WI 54449-5795

Laboratory Reference Services

  • Marshfield Labs Customer Service
    • Toll-free: 800-222-5835
    • Direct Dial: 715-221-6700
    • Internal: ext. 16700
    • Fax: 715-221-6215
    • Email: mlcussev@marshfieldclinic.org
    • Web Portal Helpline (technical support):866-522-2611

Billing Questions

  • Marshfield Center Patient Assistance Center (PAC)
    • Fee estimates, assistance with available government programs (e.g Badger Care): 800-782-8581 ext. 94475
    • Insurance eligibility, insurance referrals, managed care requirements that include Preadmission Review (PAR): 800-782-8581 ext. 75559
  • Patient Financial Services (PFS)
    • Marshfield Center: Billing statements(questions/concerns): 800-782-8581 ext. 90700
    • Marshfield Labs Billing Department: Billing statements, insurance eligibility/contracts, fee estimates (Non-Sendouts), credit card payments: 800-782-8581 ext. 90616
    • St. Joseph's Hospital of Marshfield (a Ministry affiliate): Internal ext. 77164
For sites other than Marshfield Center, please contact your local PAC (e.g. Diagnostic &Treatment Center, Flambeau Hospital, Lakeview Medical Center)


Toxicology Services

  • ​Toll-free: 800-222-5835
  • Direct Dial: 715-389-3734
  • Internal ext. 9-3734
  • Billing questions: 715-389-0616
  • Customer Service Email: mlcussev@marshfieldclinic.org
  • Web Portal Helpline (technical support): 866-522-2611

For billing questions, see Contacts
For most current information refer to the Marshfield Laboratory online reference manual. Fri Mar 14 2025 19:45:35 GMT+0000 (Coordinated Universal Time)