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Health Diagnostic Laboratory, Inc
Thank you for using Health Diagnostic Laboratory, Inc for your diagnostic laboratory testing. If you have any questions about your bill, please contact our Billing Customer Service department toll free at 1-877-498-8848 or via email at HDLBillingCustomerService@hdlabinc.com.

Technical Support
If you need transaction billing support for this online payment processing application, please send an email to HDLBillingCustomerService@hdlabinc.com.