Did you know?Labatory Billing Tip of the Day

For more information, see our "Frequently Asked Billing Questions" section.

Billing Guide

GML offers the following billing options:

1. Contracted Client Billing

GML clients will receive monthly itemized invoices for services provided. To avoid errors in billing, request sheets must be properly filled out with complete patient demographic and client information.
2. Patient Billing

GML can bill the patient directly if complete billing information is provided on the test requisition form at the time the specimen is submitted. If you have arranged for GML to bill directly, please advise the patient to expect a bill from Geisinger Medical Laboratories.

On the test requisition form please include:

  • Patient's full name
  • Patient's current address
  • Patient's current telephone number
  • If appropriate, guardian's (responsible party's) full name, address and phone number
3. Insurance (Third Party) Billing

When possible, GML will bill the patient's insurance company directly. Here is a list of the insurances that GML accepts. Here is a list of the information we require for various insurance providers.

Online laboratory billing reference information:

Medicare National Coverage Determination (NCD) - CMS Website: This is a resource to determine which diagnosis codes are considered medically necessary for Medicare. Many carriers follow Medicare's guidelines for medical necessity. Clients are advised to check the site at least quarterly for updates and changes in policy.

ICD-9-ICD-10 Crosswalk for Common Lab Codes

Contact information:

If you have any questions, please contact a member of our billing team:

Billing Supervisor: Sarah Olshefsky- 570-214-5663

Revenue Management Practice Consultant: Mike Reynolds 570-214-7731

Geisinger Billing Office:  800-640-4206

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