2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Mental Disorders 290-319 > Neurotic Disorders, Personality Disorders, And Other Nonpsychotic Mental Disorders 300-316 > Special Symptoms Or Syndromes Not Elsewhere Classified 307.* > 2006 ICD-9-CM Diagnosis 307.45 Circadian rhythm sleep disorder of nonorganic origin View the most recent version of ICD-9-CM 307.45 Dyssomnias associated with disruption of the normal 24 hour sleep wake cycle secondary to travel (e.g., JET LAG SYNDROME), shift work, or other causes. A chronobiologic disorder resulting from rapid travel across a number of time zones, characterized by insomnia or hypersomnolence, fatigue, behavioral symptoms, headaches, and gastrointestinal disturbances. 307.45 is a specific code that can be used to specify a diagnosis 307.45 contains 8 index entries View the ICD-9-CM Volume 1 307.* hierarchy  Index entries containing 307.45: Disruption phase-shift, of 24 hour sleep wake cycle, unspecified 780.55 nonorganic origin 307.45 sleep wake cycle (24 hour), unspecified 780.55 nonorganic origin 307.45 Interruption phase-shift, sleep cycle 307.45 sleep phase-shift, of 24-hour sleep-wake cycle 307.45 Inversion sleep rhythm 327.39 nonorganic origin 307.45 Irregular, irregularity sleep-wake rhythm (non-24-hour) 327.39 nonorganic origin 307.45 Rhythm sleep, inversion 327.39 nonorganic origin 307.45 Sleep rhythm inversion 327.39 nonorganic origin 307.45