Johns Hopkins Medical Laboratories Services
Laboratory Customer Service
Contact Customer Service
When to call: Call to order or schedule tests, confer with faculty specialists or handle processing and billing inquiries.
How to access: Simply call 1-800-997-5475
8:00am - midnight, 7 days/week. Professional and administrative staff can be reached between 8:30am and 5:00pm EST.
What to expect: The Customer Service Line is staffed by medical technologists who are familiar with tests or have immediate access to testing information.
- answer your questions or connect you with the lab for answers to technical questions
- establish an account for diagnostic and consulting services
- refer pricing questions to appropriate source
- provide test information (collection, preparation, TAT) Lab Services Directory
- arrange to get test results returned by fax, web or mail, as requested
- connect you to professional staff for consultation
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