Anatomic Pathology Laboratory Medicine

The Anatomic Pathology Laboratories are responsible for the handling, processing and diagnosis of tissue specimens received from the operating room and outpatient surgery centers.

Board certified pathologists, doctoral staff and technologist provide highly specialized tissue based diagnosis in support of all specialty and sub-specialty level programs in the hospital and the community.

The anatomic pathology laboratories utilize state of the art equipment, technology and informatics available within Johns Hopkins All Children's Hospital Laboratories and consultants throughout the world to provide the highest quality service for diagnosis, research and education.

Areas of Practice

Surgical Pathology

  • Surgical resection specimens and tissue biopsies
  • Intraoperative consultation and frozen section


  • Brain, nerve and muscle special studies diagnostics

Autopsy Pathology

  • Post mortem examination and tissue based diagnosis


  • Fluid, brush and organ cytology

Histology / Histopathology Laboratory

  • Processing of tissue for diagnosis
  • Histochemistry and immunohistochemistry
  • Education and research

Electron Microscopy

  • Ultrastructure for in-house and referred consultation specimens
  • For Special Procedures in Electron Microscopy and specimen requirements, see the Electron Microscopy Laboratory page
  • Requirements vary by test

Laboratory Certification

The ANATOMIC PATHOLOGY AND THE HISTOLOGY Laboratory is certified by the College of American Pathology (License #15309-01) and by CLIA (License #10D0700790). We have participated in quality control tests/surveys administered by the College of American Pathologists and others since 1982.

Laboratory Personnel

Manager, AP and Histology: Carol Galayda, B.S. H.T. 

Laboratory Hours

Monday - Friday: 8 a.m. - 5 p.m.
Weekend and holidays: Closed/On-call


Located in the Outpatient Care Center

Contact Information:

Anatomic Pathology Office: 727-767-4341
Histology LAB: 727-767-3058 or 727-767-4448
Manager: Carol Galayda
Email: [email protected]
Phone: 727-767-4448
Evenings, weekends and holidays: 727-767-4261
Histology Fax: 727-767-8516