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Comprehensive Laboratory Services Survey


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.
• Disease Prevention, Control and Surveillance
• Integrated Data Management
• Reference and Specialized Testing
• Environmental Health and Protection
• Food Safety
• Laboratory Improvement and Regulation
• Policy Development
• Public Health Preparedness and Response
• Public Health Related Research
• Training and Education
• Partnerships and Communication

Association of Public Health Laboratories
Data Years Available: 
2004, 2006, 2008, 2010, 2012
Mode of Collection: 
Sample survey: Internet questionnaire
Selected Content: 
State public health laboratory performance in areas such as disease surveillance, reference testing, food safety, environmental testing, and emergency response.
Population Covered: 
State public health laboratories in the 50 states and the District of Columbia.

CLSS is a cross-sectional internet survey. Sampling occurs biennially.

Response Rates and Sample Size: 

In all surveys, the response rates have been 90% or higher.

Interpretation Issues: 

Wilcke BW JR., et al: Laboratory services in support of public health: a status report. Public Health Reports. 125 (Suppl 2): 40-46. 2010.