G47.1 HypersomniaNon-billable header with 6 child codes.
G47.10 Hypersomnia, unspecifiedG47.11 Idiopathic hypersomnia with long sleep timeG47.12 Idiopathic hypersomnia without long sleep timeG47.13 Recurrent hypersomniaG47.14 Hypersomnia due to medical conditionG47.19 Other hypersomniaF51 Sleep disorders not due to a substance or known physiological condition ("organic sleep disorders (G47.-)")G47 Sleep disordersG47.0 InsomniaG47.00 Insomnia, unspecifiedG47.01 Insomnia due to medical conditionG47.09 Other insomniaG47.1 Hypersomnia (this code)G47.10 Hypersomnia, unspecifiedG47.11 Idiopathic hypersomnia with long sleep timeG47.12 Idiopathic hypersomnia without long sleep timeG47.13 Recurrent hypersomniaG47.14 Hypersomnia due to medical condition