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Prior to the introduction of this code, the nonspecific code 307.45, Circadian rhythm sleep disorder of non-organic origin, was available, and as of 2014 remains the code recommended by the DSM-5. ICD-10-CM: Circadian rhythm sleep disorder, free running type; code G47.24 was due to take effect October 1, 2014.
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See Sensory processing disorder) Sleep Behavior Disorder: To diagnose a sleep disorder, the child should be showing a sleep disturbance and not be demonstrating sensory reactive or processing difficulties. This diagnosis should not be used when sleep problems are related to issues of anxiety or traumatic events. [4]
A circadian rhythm is an entrainable, endogenous, biological activity that has a period of roughly twenty-four hours. This internal time-keeping mechanism is centralized in the suprachiasmatic nucleus (SCN) of humans, and allows for the internal physiological mechanisms underlying sleep and alertness to become synchronized to external environmental cues, like the light-dark cycle. [4]
Central hypoventilation syndrome (CHS) is a sleep-related breathing disorder that causes ineffective breathing, apnea, or respiratory arrest during sleep (and during wakefulness in severe cases). CHS can either be congenital (CCHS) or acquired (ACHS) later in life.
R25.8 Other Sleep Disorders: Other physiological (organic) sleep disorder 327.8 G47.8 Other sleep disorder not due to a known substance or physiological condition 327.8 G47.9 Environmental sleep disorder 307.48 F51.8 Sleep disorders associated with conditions classifiable elsewhere: Fatal familial insomnia 046.8 A81.8 Fibromyalgia: 729.1 M79.7
The current formal name established in the third edition of the International Classification of Sleep Disorders (ICSD-3) is delayed sleep-wake phase disorder. Earlier, and still common, names include delayed sleep phase disorder (DSPD), delayed sleep phase syndrome (DSPS), delayed sleep phase type (DSPT), and circadian rhythm sleep disorder. [37]
327.31 Circadian rhythm sleep disorder, delayed sleep phase type; 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