ASCP Customer Service is available Monday - Friday, 8am to 6pm ET. Customer Service is also available via Live Chat Mon.-Fri., 9 am - 6:00 pm ET. 

Chicago       Indiana office 
(Headquarters)
33 West Monroe Street, Suite 1600
Chicago, IL 60603
P 312.541.4999
F 312.541.4998
(CheckPath, Cytology, GYN, Non-GYN, Proficiency Testing)
833 W. Carmel Dr
Carmel, IN 46032
P 317.569.9470
F 317.569.0221

Customer Service Washington
P 1.800.267.2727
F 312.541.4472
Live Chat - live chat is available Monday thru Friday, 9am to 6pm ET 
(Advocacy, ePolicy, Government Relations)
1225 New York Avenue NW, Suite 350
Washington, DC 20005
P 202.347.4450
F 202.347.4453


Board of Certification
(Certification Maintenance, Exam Application & Eligibility, International Certification)
P 1.800.267.2727, option 2, 1
F 312.541.4845