Lab Classifications

Classifications for Small, Medium, and High Volume Labs, and Specialty Labs

Small Volume Laboratories

  • Schedule A Low Volume: performs not more than 2000 tests annually.

Medium Volume Laboratories

  • Schedule D: performs tests in at least four specialties with a total volume of more than 10,000 but not more than 25,000 annually.
  • Schedule E: performs more than 25,000, but not more than 50,000 tests annually.
  • Schedule F: performs more than 50,000, but not more than 75,000 tests annually.
  • Schedule G: performs more than 75,000, but not more than 100,000 tests annually.

Large Volume Laboratories

  • Schedule H: performs more than 100,000, but not more than 500,000 tests annually.
  • Schedule I: performs more than 500,000, but not more than 1,000,000 tests annually.
  • Schedule J: performs more than 1,000,000 tests annually.


  • Microbiology: Bacteriology, Mycobacteriology, Mycology, Parasitology, Virology
  • Serology: Syphilis Serology, General Immunology
  • Chemistry: Routine Chemistry, Endocrinology, Toxicology, Urinalysis
  • Hematology
  • Immunohematology: ABO Grouping and Rh typing, Unexpected antibody detection, Compatibility testing, Unexpected antibody identification
  • Pathology: Cytology, Histopathology, Oral Pathology
  • Radiobioassay
  • Histocompatibility
  • Cytogenetics