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We are committed to building strong partnerships with our customers and ensuring you have all of the support you need to integrate CHL testing into your practice. Please contact us and let us know what we can do to help.

Customer Support & General Info
CHL Client Supply
Billing
Sales

Phone:
866.358.9828, option 1
Email:
chlcustomerservice@questdiagnostics.com
Fax:
866.869.0148

Phone:
949.728.4561
Email:
chlclientsupply@questdiagnostics.com

Phone:
866.358.9828, option 2
Email:
– Patient Billing: chlpatient@questdiagnostics.com
– Client Billing: chlclientinquiry@questdiagnostics.com
Fax:
216.452.0586

Phone:
866.358.9828, option 1
216.426.6085, option 1
Email:
chlcustomerservice@questdiagnostics.com

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