Continuous Quality Improvement


Johns Hopkins Medical Laboratories Licenses & Accreditation

Cap AccreditedAll clinical lab testing locations under Johns Hopkins Medical Laboratories (JHML) are subject to the Clinical Laboratory Improvement Amendments of 1988 (CLIA '88). The Johns Hopkins Medical Laboratories maintain current CLIA, Maryland State Licenses, as well as accreditation by The College of American Pathologists.

Please refer to the listings provided below for accreditation and license information for each of the Johns Hopkins Medical Laboratories.

If you have questions regarding the licensing for the Johns Hopkins Labs please contact the
CQI (Continuous Quality Improvement) Programs Office in Department of Pathology at (410)955-2658.


Michael J. Borowitz, M.D., PhD.,
Professor of Pathology and Oncology

The certificates in this folder apply to the following JHH laboratories:
CLIA ID #21D0680509, State of Maryland Lab Permit #008, CAP Accreditation LAP #1353001

  • Autopsy
  • Blood Gas
  • Cell Therapy Laboratory
  • Chemistry
  • Chlamydia
  • Coagulation
  • Cytopathology
  • Diagnostic Immunology
  • Flow Cytometry
  • Hemapheresis and Transfusion Service
    •  - Donor and Transfusion Services
  • Surgical Pathology
    •  - Routine Histology and Special Stains
  • Toxicology
  • Hematology
  • Microbiology
    •  - Bacteriology
    •  - Mycobacteriology
    •  - Mycology
    •  - Parasitology
    •  - Virology
    •  - Molecular Microbiology
  • Point-of-Care (Moderate Complexity)
  • Prenatal Cytogenetics
  • Special Chemistry
  • Transfusion Medicine/Blood Bank
  • Urinalysis


CLIA ID #21D0709511, State of Maryland Lab Permit #471, CAP Accreditation LAP #1353003
The certificates in this folder apply to the following JHU laboratories:

  • Surgical Pathology
    •  - Electron Microscopy Lab
    •  - Immunofluorescence Microscopy Lab
    •  - ImmunoPathology
    •  - Reference Histology
  • Molecular Pathology Cancer Cytogenetics
  • Reference Molecular Microbiology
  • Reference Chemistry
  • HIV Clinical Research Laboratory
  • Immunologic Disorders
  • Surgical Pathology Labs (Neurology Dept)
    •  - Neuromuscular Histopathology
    •  - Cutaneous Nerve


CLIA ID #21D1097580, State of Maryland Lab Permit #080241
The certificates in this folder apply to the Point -of-Care Testing (Waived) at Johns Hopkins Hospital

  • - Waived Testing and Provider Performed Microscopy


CLIA ID #21D0890139, State of Maryland Lab Permit #728, CAP Accreditation LAP #2761903
The certificates in this folder apply to the following laboratories at JH@Green Spring Station:

  • - JH Greenspring Laboratory


CLIA ID #21D0981025, State of Maryland Lab Permit #000205, CAP Accreditation LAP #7157401

  • - White Marsh Outpatient Laboratory


CLIA ID #21D2090924, CAP Accreditation LAP #7217011
The certificates in this folder apply to the following laboratory:

  • - JH Green Spring A.R.T. Laboratory