NIH Common Data Elements (CDE) Repository

General Details:

Name:: Longitudinal Interval Follow-Up Evaluation (LIFE) - diagnosis code
Steward:: NINDS
Definition:: Diagnosis code for Longitudinal Interval Follow Up Evaluation (LIFE) assessment
Registration Status:: Qualified

Value	Code Name	Code Description
0	Weekly status ratings prior to the introductions of a new diagnosis should be coded "0"	Weekly status ratings prior to the introductions of a new diagnosis should be coded "0"
1	Previously was full criteria DSM-IV for this disorder, but currently there is no evidence of the disorder	Previously was full criteria DSM-IV for this disorder, but currently there is no evidence of the disorder
2	Previously was full criteria DSM-IV for this disorder and now has only enough symptoms to remain in the episode at less than full criteria	Previously was full criteria DSM-IV for this disorder and now has only enough symptoms to remain in the episode at less than full criteria
3	Currently meets full criteria DSM-IV for this disorder	Currently meets full criteria DSM-IV for this disorder

Designation:: Longitudinal Interval Follow-Up Evaluation (LIFE) - diagnosis code
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Definition:: Diagnosis code for Longitudinal Interval Follow Up Evaluation (LIFE) assessment
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Document:: Keller MB, Lavori PW, Friedman B, Nielsen E, Endicott J, McDonald-Scott P, Andreason NC. The Longitudinal Interval Follow-up Evaluation: A comprehensive method for assessing outcome in prospective longitudinal studies. Arch Gen Psychiatry. 1987; 44: 540-548. Warshaw MG, Dyck I, Allsworth J, Stout RL, Keller MB. Maintaining reliability in a long-term psychiatric study: an ongoing inter-rater reliability monitoring program using the longitudinal interval follow-up evaluation. J Psychiatr Res. 2001; 35(5): 297-305.