Symptom validity assessment: Practice issues and medical necessity: NAN Policy & Planning Committee

Shane S. Bush, Ronald M. Ruff, Alexander I. Tröster, Jeffrey T. Barth, Sandra P. Koffler, Neil H. Pliskin, Cecil R. Reynolds, Cheryl H. Silver

Research output: Contribution to journalArticlepeer-review

690 Scopus citations


Symptom exaggeration or fabrication occurs in a sizeable minority of neuropsychological examinees, with greater prevalence in forensic contexts. Adequate assessment of response validity is essential in order to maximize confidence in the results of neurocognitive and personality measures and in the diagnoses and recommendations that are based on the results. Symptom validity assessment may include specific tests, indices, and observations. The manner in which symptom validity is assessed may vary depending on context but must include a thorough examination of cultural factors. Assessment of response validity, as a component of a medically necessary evaluation, is medically necessary. When determined by the neuropsychologist to be necessary for the assessment of response validity, administration of specific symptom validity tests are also medically necessary.

Original languageEnglish (US)
Pages (from-to)419-426
Number of pages8
JournalArchives of Clinical Neuropsychology
Issue number4
StatePublished - Jun 2005


  • Malingering
  • Medical necessity
  • Neuropsychological assessment
  • Symptom validity testing

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Clinical Psychology
  • Psychiatry and Mental health


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