Comprehensive Laboratory Services Survey (CLSS)
: The Comprehensive Laboratory Services System (CLSS) is intended to measure the extent to which state public health laboratories (SPHLs) fulfill 11 Core Functions of public health laboratories in support of public health. The survey is distributed biennially to all state health agencies.
: Association of Public Health Laboratories (APHL)
Data Years Available
: 2004, 2006, 2008
: SPHL performance in areas such as disease surveillance, reference testing, food safety, environmental testing, and emergency response.
: State public health laboratories in the 50 states, the District of Columbia, and the territories.
Response rate and sample size
: In all surveys, the response rates have been 90% or higher.
: Wilcke BW JR., et al: Laboratory services in support of public health: a status report. Public Health Reports. 125 (Suppl 2): 40-46. 2010.