The Microbiology/Immunology Laboratory is open 24 hours a day, 7 days a week; Call Client Services 804-828-PATH (828-7284); 1-800-363-9234

Microbiology/Immunology is the only clinical laboratory providing diagnostic microbiology and immunology services at VCU Health System. 

Microbiology is staffed 24/7 and offers full diagnostic testing in Bacteriology (aerobic and anaerobic), Antimicrobial Susceptibility Testing, Mycobacteriology, Mycology, and Parasitology.

Immunology is staffed 7 days/week and offers comprehensive testing in Infectious disease serology testing, Autoimmune serologic testing including ANA and Electrophoresis.

STAT LAB OPEN 24/7

Microbiology/Immunology offers rapid turn-around-time on selected tests. Tests include: Gram Stains, Crytococcal Antigen, direct detection of Trichomonas vaginalis, enterovirus in CSF, and Group A Strep.  Direct detection of influenza A and B are also available during respiratory virus season.

Antibiograms 

1. 2025 Antibiogram VCUHS (Based on the 2025 Data, Prepared in 2026)
2. 2025 Antibiogram VCUHS Emergency Dept (Based on the 2025 Data, Prepared in 2026)
3. 2025 Antibiogram VCUHS Pediatric (Based on the 2025 Data, Prepared in 2026)
4. 2025 Antibiogram VCUHS Antifungal (Based on the 2025 Data, Prepared in 2026)
5. 2025 Antibiogram CMH (Based on the 2025 Data, Prepared in 2026)
6. 2025 Antibiogram TAPP (Based on the 2025 Data, Prepared in 2026)

The Microbiology/Immunology laboratory compiles and publishes yearly statistics on bacteria isolated in the institution versus formulary antibiotics. Updated April 2026 for the previous year.

Useful Links

Professional Organizations
American Academy of Allergy, Asthma and Immunology
American Society for Clinical Laboratory Science
 (ASCLS)
American Society of Clinical Pathology (ASCP)   
American Society for Microbiology
 (ASM) 
Clinical Immunology Society
  
Clinical Laboratory Management Association (CLMA)
College of American Pathologists (CAP)
National Committee for Clinical Laboratory Standards (NCCLS)

International Organizations 

Canadian Association For Clinical Microbiology and Infectious Diseases
The European Academy of Allergy and Clinical Immunology (EAACI)  
The European Society of Clinical Microbiology and Infectious Diseases
   
The World Health Organization

Government     

Center for Disease Control and Prevention (CDC)
Virginia Department of Health

General

The Immunology Link     

Leadership and Contacts

Justin Dalton, MD

Justin Dalton, MD

Director of Clinical Immunology; Assistant Professor

Justin Dalton, MD

Justin Dalton, MD

Director of Clinical Immunology; Assistant Professor

Pathology

Hematopathology;
Transfusion Medicine

Phone: (804) 828-5389

Fax: (804) 828-8177

Email: Justin.Dalton@vcuhealth.org

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Christopher Doern, PhD

Christopher Doern, PhD

Director of Clinical Microbiology; Professor

Christopher Doern, PhD

Christopher Doern, PhD

Director of Clinical Microbiology; Professor

Pathology

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Alexandra Bryson, PhD, DABMM

Alexandra Bryson, PhD, DABMM

Associate Director of Clinical Microbiology; Associate Professor

Alexandra Bryson, PhD, DABMM

Alexandra Bryson, PhD, DABMM

Associate Director of Clinical Microbiology; Associate Professor

Pathology

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