Published on New York State Department of Health, Wadsworth Center (

Cellular Immunology

Laboratories that analyze the function and/or the phenotype of white blood cells (lymphocytes/leukocytes) comprising the immune system are surveyed and permitted through the Clinical Laboratory Evaluation Program (CLEP). 

Permit Category Descriptions[1] are provided. 

Laboratories are required to demonstrate compliance with:

For method approval[4] and validations, please return the completed Cellular Immunology Checklist[5] to the address indicated on the form.