National Health and Nutrition Examination Survey

NHANES 2019-2020 Procedure Manuals

These manuals are part of the protocol for the National Health and Nutrition Examination Survey (NHANES), conducted by the National Center for Health Statistics. Manuals listed below were developed for interviewer and examiner training. These are important references for NHANES as all correct procedures, policies, and standards are comprehensively detailed. Dates on the first page of each manual reflect the most recent revision.


Manual Name Document
Interviewer Procedure Manual [PDF - 47.2 MB]
MEC Interviewers Procedures Manual [PDF - 11.9 MB]


Manual Name Document
Laboratory Procedures Manual [PDF - 15.2 MB]


Manual Name Document
Anthropometry (Body Measures) [PDF - 5.21 MB]
Audiometry [PDF - 17.7 MB]
Balance [PDF - 10.1 MB]
Blood Pressure [PDF - 6.15 MB]
Body Composition [PDF - 6.60 MB]
Dietary Interviewer - In-Person [PDF - 11.2 MB]
Dietary Interviewer – Phone Follow-Up [PDF - 11.2 MB]
Liver Ultrasound Transient Elastography [PDF - 5.38 MB]
Oral Health Examiners [PDF - 5.55 MB]
Oral Health Recorders [PDF - 2.0 MB]
Physician Examination [PDF - 6.6 MB]