Nicklaus Children's Hospital, formerly Miami Children's Hospital
Local: 305-666-6511
Toll Free: 800-432-6837
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Miami Genetic Laboratories

Clinical Genetics & Metabolic Disorders

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Nicklaus Children's Hospital, formerly Miami Children's Hospital's Miami Genetic Laboratories is a CAP-accredited referral laboratory, providing comprehensive molecular, biochemical and cytogenetic testing and consultative services under the leadership of a board-certified medical geneticist, cytogeneticist and biochemical geneticist.
The team at our genetic testing laboratories provides high-quality, state-of-the-art diagnostic testing with results provided in the shortest time possible. STAT services are offered for urgent cases.
Enhancing value, the medical team offers counseling related to patient care, based on lab results.

Contact The Miami Genetic Laboratories

Hours of Operation

8 a.m. to 5 p.m. Monday-Friday

For more information about services offered at our genetic testing laboratories, please call Isabel de Leon or Cynthia Escalona at
305-662-8318. Fax: 305-669-6589
3100 SW 62nd Ave
Miami, FL 33155 

Miami Genetic LaboratoriesCytogenetic Testing

Cytogenetic testing is offered for constitutional disorders and cancers, including leukemias and solid tumors.

Available cytogenetic tests include:
  • Chromosomes
  • FISH- Constitutional and neoplastic abnormalities
  • 2.7 M SNP chromosomal microarray

Molecular Genetic Testing

Molecular genetic testing is available for children requiring testing related to cystic fibrosis, fragile X and autism panel testing.

Available molecular genetic tests include:
  • Fragile X testing
  • Luminex 60 mutation panel for cystic fibrosis
  • Cystic fibrosis sequencing

miami Genetic LaboratoriesBiochemical Genetic Testing

Biochemical genetic testing is available to support newborn screening, and diagnosis and ongoing treatment of metabolic disorders

Available biochemical genetic tests include:
  • Plasma amino acids
  • Urine organic acids
  • CSF amino acids
  • Carnitine plasma and urine
  • Acylcarnitine
  • Biotinidase
  • Lactate
  • Pyruvate
  • Homocysteine
  • Urine Succnylacetone

About Our Team

Medical Director: Parul Jayakar, MD

Aparna Rajadhyaksha, MD

Director of Operations: Norma Ryder, MBA-HA

Laboratory Manager: Vivian Abrams

QA Manager: Martha Delgado
To make an appointment or receive additional information about Clinical Genetics Services at Nicklaus Children's Hospital, formerly Miami Children's Hospital, use our Nicklaus Children's Hospital Appointment Request Form, or call us at (786) 624-APPT or toll free at (888) 624-APPT. Use our online contact form for additional comments or questions.