Medical Laboratory

The Medical Laboratory is the principal diagnostic laboratory at the Georgetown Public Hospital Corporation. It has been serving the people of Guyana for over five decades and plans to expand its’ scope to offer autoimmune testing in 2026. It operates in compliance with GYS 170, GYS 235, ISO 15189 and ISO 15190 standards, ensuring internationally recognised quality and competence. It is also fully licensed under the Health Facilities Licensing Regulations (2008) and has been certified by the Guyana National Bureau of Standard (GNBS) for the past 22 years.

Your Care Options

Medical Outpatient Department, Middle St or Small Lab, East Street, Georgetown Public Hospital Corporation
Mon-Fri
7am - 3pm
Physician request needed.

The GPHC Medical Laboratory offers a wide range of services to meet the diagnostic needs of patients, physicians, and healthcare institutions across the country.

Phlebotomy Services

  • Sample Collection Sites

    Eight designated sample collection sites across the hospital.

  • Bedside Sample Collection

    Bedside sample collection for inpatients and immobile patients.

Testing Services

  • Biochemistry

    Analysis of blood and body fluids for disease monitoring and treatment evaluation.

  • Immunology

    Analysis of blood for evaluation of hormonal disorders and cancers.

  • Haematology

    Blood and bone marrow testing for the diagnosis of haematological disorders.

  • Immunohaematology

    Blood grouping and cross-matching to ensure safe and effective transfusions.

  • Microbiology

    Culture-based identification of pathogens and antibiotic sensitivity testing.

  • Urology

    Urinalysis and kidney function assessments.

  • Voluntary Counselling & Testing (VCT)

    Two dedicated VCT sites, along with bedside STI testing for inpatients.

  • Andrology

    Assessment of semen for andrological status in reproductive evaluation and confirmation of vasectomy.

Our Team's Expertise

Dr. Pheona Mohamed-Rambaran
Head of Department

Dr. Pheona Mohamed-Rambaran is an accomplished clinical laboratory leader with extensive experience in medical laboratory management, quality systems, and accreditation. As Head of Laboratory Services at Georgetown Public Hospital Corporation and an ISO technical auditor, she has led major quality improvements, developed robust laboratory systems, and advanced clinical training. She is also a dedicated researcher and long-standing lecturer in medical technology.

The GPHC Medical Laboratory is staffed by a skilled multidisciplinary team committed to maintaining excellence in diagnostic science and laboratory medicine.

Our team includes:

  • Head of Department
  • Microbiologist
  • Quality Manager
  • Administrative Manager
  • Safety Officer
  • Senior Medical Technologists and Medical Technologists
  • Laboratory Technicians and Aides
  • Phlebotomists and Counsellor Testers
  • Receptionists and Laboratory Attendants

The Georgetown Public Hospital Corporation Medical Laboratory (GPHC ML) serves as the cornerstone of diagnostic and clinical decision-making at GPHC. Operating 24/7, it maintains continuous testing and reporting through structured weekday and weekend shifts.