Due to ongoing repairs, only select departments are open at the Dallas County Records Building today. If you need in-person assistance, please call to confirm operational status before traveling to the building. We encourage you to visit our website for the latest information and daily operations.
In observance of Labor Day, Dallas County offices will be closed on Monday, September 7, 2026.
Dallas County is under a Burn Ban starting July 27, 2026, in effect for 90 days.
DALLAS COUNTY ADOPTED A TAX RATE THAT WILL RAISE MORE TAXES FOR MAINTENANCE AND OPERATIONS THAN LAST YEAR'S TAX RATE.

THE TAX RATE WILL EFFECTIVELY BE RAISED BY 22.02 PERCENT AND WILL RAISE TAXES FOR MAINTENANCE AND OPERATIONS ON A $100,000 HOME BY APPROXIMATELY $29.08.

Microbiology Unit

Dallas County Health and Human Services - 2377 N. Stemmons Freeway, Suite 017, Dallas, TX 75207
Telephone: (214) 819-1950
Email: PHLabInfo@dallascounty.org


The Microbiology Unit offers comprehensive diagnostic services in bacteriology, mycology, mycobacteriology, and parasitology. Using both traditional culture methods and modern molecular diagnostics, we aim to accurately identify pathogens and support effective treatment decisions.

Services & Capabilities

  • Culture and identification of bacterial and fungal pathogens
  • Biochemical assays
  • Nucleic acid amplification tests (NAAT) for rapid pathogen detection
  • Specialized mycobacteriology testing for tuberculosis and related infections
  • Parasitology assays for diagnosing parasitic infections

Test Menu Highlights

  • Bacteriology: Chlamydia trachomatis/Neisseria gonorrhoeae NAAT
  • Parasitology: Trichomonas vaginalis NAAT
  • Mycobacteriology: MTB complex and Rifampin Resistance
  • Fungal cultures for mycology
 

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