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Laboratory Testing and Imaging

Please see changes to hours of operation in the drawing stations. As of Monday April 13th, the hours will be:

Haverhill 8:00am-5:00pm (Closed on Saturday until further notice)

Riverwalk 7:30am – 5:00pm

Newburyport   7:00am– 4:45pm

Andover 7:30am-5:00pm


Pentucket Medical offers diagnostic testing and lab services quickly and efficiently for our patient’s convenience. Often times, diagnostic imaging can be scheduled within a few days while lab testing can be performed the same day. 

Laboratory Testing

Each Pentucket Medical location offers specimen collection including blood drawing with no appointment needed. Our laboratory complies with the Clinical Laboratory Improvement Amendments of the United States and is fully licensed by the Commonwealth of Massachusetts.

Diagnostic Imaging

(X-RAY, CT scan, Ultrasound, Bone Densitometry, Nuclear Imaging)

Diagnostic Imaging is available to all patients through Pentucket Medical. Our cardiac imaging and radiology modalities are accredited by the Intersocietal Accreditation Commission and the American College of Radiology.


Benefits of Testing and Imaging with  Pentucket Medical Include:

  • Cardiologists, Radiologists, and  Pathologists at Pentucket Medical interpret your tests and results are usually available the same day.
  • The results of your test or imaging will be available to your ordering clinician as soon as the results are obtainable in our system.
  • Results will be automatically posted on your Patient Portal for your review.
  • Your results will also be available to any clinician in the Partners HealthCare System including those at Massachusetts General and Brigham and Women’s Hospitals.
  • With specimen collection at each Pentucket Medical location, there is no need to make an additional trip to a hospital, navigate the typical maze of hallways, or deal with inconvenient parking.

Tests Provided at the Following Locations


Lab Testing 
Routine Stress Test
Bone Density 
Pulmonary Function Testing
Nuclear Imaging
Vascular Ultrasound
Ankle-Brachial Index Testing
General Ultrasound
Computed Tomography Imaging (CT Scan)


Routine Stress Test
General Ultrasound
Bone Density
Lab Testing


Lab Testing
Routine Stress Test
Bone Density
Pulmonary Function Testing


Lab Testing

For a complete listing of hours/days of services provided click here.

Pentucket Medical is committed to maintaining and striving towards the highest levels of medical standards.  In recognition of these standards our Diagnostic Center  has received the following accreditations: 

General Ultrasound Dept- accredited by the American College of Radiology

CT Scan Dept- accredited by the American College of Radiology

Nuclear Medicine Dept- accredited by the Intersocietal Commission for the Accreditation of Nuclear Medicine Laboratories

Echocardiogram Dept- accredited by the Intersocietal Commission for the Accreditation of Echocardiogram Labs

Vascular Program- accredited by the Intersocietal Commission for the Accreditation of Vascular Labs

Vaccine Appointment Scheduling

Mass General Brigham patients age 12 and older can schedule a vaccine appointment on our new scheduling website. Please note, any patient under 18 needs a parent or guardian’s consent which can be found here.

COVID-19 Information