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Aim  To describe how generic preference‐based health‐related quality of life (HRQoL) instruments have been used in research involving children with neurodevelopmental disorders (NDD).    Method  A systematic search of nine databases identified studies that used generic preference‐based HRQoL instruments in children with NDD. Data extracted following the Preferred Reporting Items for Systematic Review and Meta‐Analyses extension for Scoping Review guidelines included type of NDD, instrument used, respondent type, justification, and critical appraisal for these selections.    Results  Thirty‐six studies were identified: four cost–utility analyses; 15 HRQoL assessments; five economic burden studies; three intervention studies; and nine ‘other’. The Health Utilities Index (Mark 2 and Mark 3) and EuroQoL 5D (EQ‐5D; three‐level EQ‐5D, five‐level EQ‐5D, and the youth version of the EQ‐5D) instruments were most frequently used (44% and 31% respectively). The relatively low use of these instruments overall may be due to a lack of psychometric evidence, inconsistency in justification for and lack of clarity on appropriate respondent type and age, and geographical challenges in applying preference weights.    Interpretation  This study highlights the dearth of studies using generic preference‐based HRQoL instruments in children with NDD. The use of cost–utility analysis in this field is limited and validation of these instruments for children with NDD is needed. The quality of data should be considered before guiding policy and care decisions.    What this paper adds    Limited use of generic preference‐based health‐related quality of life (HRQoL) instruments in studies on children with neurodevelopmental disorders.  Only 11% of studies were cost–utility analyses.  Inconsistencies in justification for choosing generic preference‐based HRQoL instruments and respondent types.

Generic preference‐based health‐related quality of life in children with neurodevelopmental disorders: a scoping review