Relates ICD-9 Codes to 327.31
Circadian rhythm sleep disorder, delayed sleep phase type
- ICD-9 Index
- Chapter: 320–359
- Section: 320-327
- Block: 327 Organic sleep disorders
- 327.31 - Circadian rhy-delay slp
View Code 327.31
- 327.00 - Organic insomnia, unspecified
- 327.01 - Insomnia due to medical condition classified elsewhere
- 327.02 - Insomnia due to mental disorder
- 327.09 - Other organic insomnia
- 327.10 - Organic hypersomnia, unspecified
- 327.11 - Idiopathic hypersomnia with long sleep time
- 327.12 - Idiopathic hypersomnia without long sleep time
- 327.13 - Recurrent hypersomnia
- 327.14 - Hypersomnia due to medical condition classified elsewhere
- 327.15 - Hypersomnia due to mental disorder
- 327.19 - Other organic hypersomnia
- 327.20 - Organic sleep apnea, unspecified
- 327.21 - Primary central sleep apnea
- 327.22 - High altitude periodic breathing
- 327.23 - Obstructive sleep apnea (adult)(pediatric)
- 327.24 - Idiopathic sleep related non-obstructive alveolar hypoventilation
- 327.25 - Congenital central alveolar hypoventilation syndrome
- 327.26 - Sleep related hypoventilation/hypoxemia in conditions classifiable elsewhere
- 327.27 - Central sleep apnea in conditions classified elsewhere
- 327.29 - Other organic sleep apnea
- 327.30 - Circadian rhythm sleep disorder, unspecified
- 327.32 - Circadian rhythm sleep disorder, advanced sleep phase type
- 327.33 - Circadian rhythm sleep disorder, irregular sleep-wake type
- 327.34 - Circadian rhythm sleep disorder, free-running type
- 327.35 - Circadian rhythm sleep disorder, jet lag type
- 327.36 - Circadian rhythm sleep disorder, shift work type
- 327.37 - Circadian rhythm sleep disorder in conditions classified elsewhere
- 327.39 - Other circadian rhythm sleep disorder
- 327.40 - Organic parasomnia, unspecified
- 327.41 - Confusional arousals
- 327.42 - REM sleep behavior disorder
- 327.43 - Recurrent isolated sleep paralysis
- 327.44 - Parasomnia in conditions classified elsewhere
- 327.49 - Other organic parasomnia
- 327.51 - Periodic limb movement disorder
- 327.52 - Sleep related leg cramps
- 327.53 - Sleep related bruxism
- 327.59 - Other organic sleep related movement disorders
- 327.8 - Other organic sleep disorders