2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Nervous System And Sense Organs 320-389 > Inflammatory Diseases Of The Central Nervous System 320-327 > ICD-9-CM Diagnosis 327 Sleep disorders 327 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 327.0 Insomnia 327.0 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 327.00 Organic insomnia, unspecified 327.00 is a specific code that can be used to specify a diagnosis 327.00 contains 1 index entry ICD-9-CM Diagnosis 327.01 Insomnia due to medical condition classified elsewhere 327.01 is a specific code that can be used to specify a diagnosis 327.01 contains 1 index entry ICD-9-CM Diagnosis 327.02 Insomnia due to mental disorder 327.02 is a specific code that can be used to specify a diagnosis 327.02 contains 1 index entry ICD-9-CM Diagnosis 327.09 Other organic insomnia 327.09 is a specific code that can be used to specify a diagnosis 327.09 contains 1 index entry ICD-9-CM Diagnosis 327.1 Hypersomnia 327.1 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 327.10 Organic hypersomnia, unspecified 327.10 is a specific code that can be used to specify a diagnosis 327.10 contains 1 index entry ICD-9-CM Diagnosis 327.11 Idiopathic hypersomnia with long sleep time 327.11 is a specific code that can be used to specify a diagnosis 327.11 contains 1 index entry ICD-9-CM Diagnosis 327.12 Idiopathic hypersomnia without long sleep time 327.12 is a specific code that can be used to specify a diagnosis 327.12 contains 1 index entry ICD-9-CM Diagnosis 327.13 Recurrent hypersomnia 327.13 is a specific code that can be used to specify a diagnosis 327.13 contains 4 index entries ICD-9-CM Diagnosis 327.14 Hypersomnia due to medical condition classified elsewhere 327.14 is a specific code that can be used to specify a diagnosis 327.14 contains 1 index entry ICD-9-CM Diagnosis 327.15 Hypersomnia due to mental disorder 327.15 is a specific code that can be used to specify a diagnosis 327.15 contains 1 index entry ICD-9-CM Diagnosis 327.19 Other organic hypersomnia 327.19 is a specific code that can be used to specify a diagnosis 327.19 contains 1 index entry ICD-9-CM Diagnosis 327.2 Sleep apnea 327.2 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 327.20 Organic sleep apnea, unspecified 327.20 is a specific code that can be used to specify a diagnosis 327.20 contains 1 index entry ICD-9-CM Diagnosis 327.21 Primary central sleep apnea 327.21 is a specific code that can be used to specify a diagnosis 327.21 contains 1 index entry ICD-9-CM Diagnosis 327.22 High altitude periodic breathing 327.22 is a specific code that can be used to specify a diagnosis 327.22 contains 2 index entries ICD-9-CM Diagnosis 327.23 Obstructive sleep apnea (adult) (pediatric) 327.23 is a specific code that can be used to specify a diagnosis 327.23 contains 1 index entry ICD-9-CM Diagnosis 327.24 Idiopathic sleep related non obstructive alveolar hypoventilation 327.24 is a specific code that can be used to specify a diagnosis 327.24 contains 2 index entries ICD-9-CM Diagnosis 327.25 Congenital central alveolar hypoventilation syndrome 327.25 is a specific code that can be used to specify a diagnosis 327.25 contains 2 index entries ICD-9-CM Diagnosis 327.26 Sleep related hypoventilation/hypoxemia in conditions classifiable elsewhere 327.26 is a specific code that can be used to specify a diagnosis 327.26 contains 2 index entries ICD-9-CM Diagnosis 327.27 Central sleep apnea in conditions classified elsewhere 327.27 is a specific code that can be used to specify a diagnosis 327.27 contains 1 index entry ICD-9-CM Diagnosis 327.29 Other organic sleep apnea 327.29 is a specific code that can be used to specify a diagnosis 327.29 contains 1 index entry ICD-9-CM Diagnosis 327.3 Circadian rhythm sleep disorder 327.3 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 327.30 Circadian rhythm sleep disorder, unspecified 327.30 is a specific code that can be used to specify a diagnosis 327.30 contains 1 index entry ICD-9-CM Diagnosis 327.31 Circadian rhythm sleep disorder, delayed sleep phase type 327.31 is a specific code that can be used to specify a diagnosis 327.31 contains 1 index entry ICD-9-CM Diagnosis 327.32 Circadian rhythm sleep disorder, advanced sleep phase type 327.32 is a specific code that can be used to specify a diagnosis 327.32 contains 1 index entry ICD-9-CM Diagnosis 327.33 Circadian rhythm sleep disorder, irregular sleep-wake type 327.33 is a specific code that can be used to specify a diagnosis 327.33 contains 2 index entries ICD-9-CM Diagnosis 327.34 Circadian rhythm sleep disorder, free-running type 327.34 is a specific code that can be used to specify a diagnosis 327.34 contains 1 index entry ICD-9-CM Diagnosis 327.35 Circadian rhythm sleep disorder, jet lag type 327.35 is a specific code that can be used to specify a diagnosis 327.35 contains 5 index entries ICD-9-CM Diagnosis 327.36 Circadian rhythm sleep disorder, shift work type 327.36 is a specific code that can be used to specify a diagnosis 327.36 contains 3 index entries ICD-9-CM Diagnosis 327.37 Circadian rhythm sleep disorder in conditions classified elsewhere 327.37 is a specific code that can be used to specify a diagnosis 327.37 contains 1 index entry ICD-9-CM Diagnosis 327.39 Other circadian rhythm sleep disorder 327.39 is a specific code that can be used to specify a diagnosis 327.39 contains 5 index entries ICD-9-CM Diagnosis 327.4 Sleep behavior disorder 327.4 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 327.40 Organic parasomnia, unspecified 327.40 is a specific code that can be used to specify a diagnosis 327.40 contains 1 index entry ICD-9-CM Diagnosis 327.41 Confusional arousals 327.41 is a specific code that can be used to specify a diagnosis 327.41 contains 3 index entries ICD-9-CM Diagnosis 327.42 Rem sleep behavior disorder 327.42 is a specific code that can be used to specify a diagnosis 327.42 contains 1 index entry ICD-9-CM Diagnosis 327.43 Recurrent isolated sleep paralysis 327.43 is a specific code that can be used to specify a diagnosis 327.43 contains 2 index entries ICD-9-CM Diagnosis 327.44 Parasomnia in conditions classified elsewhere 327.44 is a specific code that can be used to specify a diagnosis 327.44 contains 1 index entry ICD-9-CM Diagnosis 327.49 Other organic parasomnia 327.49 is a specific code that can be used to specify a diagnosis 327.49 contains 1 index entry ICD-9-CM Diagnosis 327.5 Movement disorders 327.5 is a non-specific code that cannot be used to specify a diagnosis ICD-9-CM Diagnosis 327.51 Periodic limb movement disorder 327.51 is a specific code that can be used to specify a diagnosis 327.51 contains 4 index entries ICD-9-CM Diagnosis 327.52 Sleep related leg cramps 327.52 is a specific code that can be used to specify a diagnosis 327.52 contains 1 index entry ICD-9-CM Diagnosis 327.53 Sleep related bruxism 327.53 is a specific code that can be used to specify a diagnosis 327.53 contains 1 index entry ICD-9-CM Diagnosis 327.59 Other organic sleep related movement disorders 327.59 is a specific code that can be used to specify a diagnosis 327.59 contains 1 index entry ICD-9-CM Diagnosis 327.8 Other organic sleep disorders 327.8 is a specific code that can be used to specify a diagnosis 327.8 contains 1 index entry