CPH Entrance: The Main and Emergency Entrance are opposite 25 Cottage Street. Details, Video, Information

St. Lawrence Health

Laboratory

Our state-of-the-art laboratories do not require appointments.
Lab Employees

Laboratory Services

Canton-Potsdam Hospital, Gouverneur Hospital, and Massena Hospital have certified technologists and technicians to analyze your laboratory samples using the latest methods and technology with a focus on accuracy and responsive turnaround. For reference testing (rarely ordered or highly specialized laboratory testing), CPH maintains a contract with world-famous Mayo Clinic.

Located Where You Need Us

For your convenience, St. Lawrence Health offers lab services at six locations where you can expect the highest quality of care. Appointments are not required.

Canton-Potsdam Hospital Main Campus
50 Leroy Street, Potsdam, NY 13676
(315) 261-5940 (Lab)
(315) 261-5240 (Central Scheduling)
Daily, 7:00 am - 3:00 pm
[CPH outpatient lab services are limited to Drug Screening Collection, 3 Hour Glucose Tolerance Testing, and STAT orders placed by providers Monday - Friday.]

EJ Noble Building
80 East Main Street, Canton, NY 13617
(315) 261-5940
Monday - Friday, 7:00 am - 4:00 pm

Gouverneur Hospital
77 West Barney Street, Gouverneur, NY 13642
(315) 287-1000
Monday - Friday, 7:00 am - 5:30 pm
Saturday, 8:00 am - 11:00 am

Helen Snell Cheel Medical Campus
49 Lawrence Avenue, Potsdam, NY 13676
(315) 261-5940
Monday - Friday, 6:30 am - 4:30 pm

Massena Hospital
1 Hospital Drive, Massena, NY 13662
(315) 769-4286
Monday - Friday, 7:00am - 7:00pm
Saturday and Sunday, 8:00 am - 12:00 pm by appointment only

St. Lawrence Health Medical Campus
6119 State Route 11, Canton, NY 13617
(315) 261-5940 
Monday - Friday, 8:30 am - 4:30 pm

Recent News

COVID-19
Review Finds Pregnant Women With COVID-19 Face Health Risks

A meta-analysis of 12 studies around the world found pregnant women infected with COVID-19 are significantly more likely to have poor health outcomes – including a higher risk of death.

COVID-19
COVID-19 in the Rochester Region

Updates on COVID-19 cases, hospitalizations, and vaccination rates in the Greater Rochester and Finger Lakes regions, and New York State.

Flu
Flu Cases for the 2022-2023 Season

Stay up to date on influenza in your community. You can find information about the number of flu cases, treating symptoms, finding flu shots, how long a flu season lasts, and more.

SLH
Bouncing Back from the Coronavirus Pandemic

Much like the annual flu vaccine, Dr. Williams noted healthcare providers are anticipating a similar seasonal vaccine strategy for COVID.

News
IdeaLab: An Innovative Partnership

Rochester is known for its creative and entrepreneurial spirit. Rochester Regional is proud to be part of this through a partnership with RIT.

SLH
Structural Steel Works Begins in Potsdam

A total of 1,100 tons of steel will be used for the Regional Care Pavilion.

Brain and Spine
The Importance of CPR in Restoring Brain Function

When a person’s heart stops pumping blood throughout their body, using CPR to restore that blood flow is critical to limiting damage to their brain. John Burke, MD, explains how “time is brain.”

Senior Care
Palliative Care vs. Hospice: What’s the Difference?

Each of these medical care specialties helps patients through serious, life-threatening illnesses – with distinct differences that should be understood.

View All Recent News Articles

Don't Struggle on Your Own

If you are searching for a mental health ally and advocate, look no further than the compassionate experts at Rochester Regional Health. By your side throughout your journey, your mental health provider will use evidence-based practices to give you the most thorough care in the region.