Clinical Molecular Genetics Lab Information

Laboratory Certification

The Molecular Genetics Clinical Laboratory is licensed by the State of Florida (#800000135), the State of Pennsylvania (#033858) and accredited by the College of American Pathology (#1530901) and by CLIA (#10D0700790). We have participated in quality control proficiency testing administered by the College of American Pathologists and others since 1989.

Laboratory Certifications

CAP Accreditation Certificate

CLIA Certificate of Accreditation

Clinical Laboratory License

Pennsylvania Clinical Laboratory Permit

Shipping & Specimen Requirements

For routine and sequencing testing, we require 2cc whole blood (0.5cc for an infant) collected in an EDTA (lavender top) tube, sent at room temperature.

Dept. of Pathology and Laboratory Medicine
Clinical Genetics Laboratories
Johns Hopkins All Children's Hospital
601 Fifth Street South
Saint Petersburg, FL 33701


The charges for laboratory services are institutional only, i.e., no third party billing can be performed.
Tax ID#: 590683252
NPI#: Please see

Turn-around Time

Routine testing is completed within a target turn-around time of 21 days following specimen receipt. Sequencing tests are completed within 2 to 6 weeks, depending on complexity. Urgent testing has a target completion time of 7 days from specimen receipt. Test results are in the form of a written report, and can be phoned in or faxed in addition, as requested.

Laboratory Facilities

Our laboratory is equipped with state-of-the-art instruments and analytical tools necessary to perform:

  • Next-Generation Sequencing
  • Sanger Sequencing
  • Fragment Analysis
  • Methylation Status
  • Trinucleotide Repeat Analysis
  • Short Tandem Repeat (STR) analysis
  • Multiple Ligation Dependent Probe Amplification (MLPA)
  • Bioinformatics
  • DNA Banking

Senior Laboratory Personnel

All of our laboratory personnel exceed Florida State requirements by being nationally certified in molecular biology, molecular pathology or molecular genetics.

Section Director: Dr. O. Thomas Mueller, PhD, FACMG
Ph.D. Biological Chemistry; Diplomate, American Board of Medical Genetics in Biochemical and Molecular Genetics; Affiliate Associate Professor of Pediatrics, University of South Florida College of Medicine; State of Florida Certified Director of Clinical Chemistry.
Supervisor: Adam Coovadia, MBA, MS, MB(ASCP), CG(ASCP)
ASCP National Certification as a Clinical Laboratory Specialist in both Molecular Biology and Cytogenetics; CSMLS certification in Clinical Genetics; State of Florida Certified Supervisor in Molecular Pathology and Cytogenetics; Master of Science (Forensic DNA); Masters of Business Administration; Honors Bachelors Degree (Biochemistry); PhD Student (Genetics).
Senior Technologist: Candace Fennell, MB (AAB)
ABB National Certification in Molecular Biology, A.S. Degree in Medical Technology; State of Florida Certified Medical Technologist in Molecular Pathology, Immunology and Serology, Florida State licensed MLT in Microbiology, Immunology/Serology, Clinical Chemistry, Hematology and Immunohematology.
Senior Technologist: Maren Twining, CG, MB (ASCP)
ASCP/NCA Certification as a Clinical Laboratory Specialist in Cytogenetics and Molecular Pathology; State of Florida Licensed Supervisor in Cytogenetics and Technologist in Molecular Pathology; Bachelor's degree in Biological Science.
Medical Technologist: Bethany M. Peters, MB, MLS (ASCP)
ASCP National Certification as a Clinical Laboratory Technologist in Molecular Biology; ASCP Certified and State of Florida licensed Medical Laboratory Scientist in Molecular Pathology, Immunology/Serology, Microbiology, Clinical Chemistry, Hematology and Immunohematology; Bachelor's degree in Medical Technology.
Certified Genetic Counselor: Gabi Jervis, MS, CGC
Gabrielle (Gabi) Jervis, MS, CGC NSGC/ABGC/ABMG National Certification as a Genetic Counselor, Masters of Science (Genetics), Honors Bachelors Degree (Sociology/Psychology).

Laboratory Hours

Monday - Friday 8:00-5:00
Weekends and Holidays (727) 612-8435


Contact Information

Phone: (727) 767-8985 (Laboratory)
  (727) 767-8611 (Director)
Fax: (727) 767-8367
E-mail: See Laboratory Personel