Patient presents with complaints consistent with insomnia.  The patient reports difficulty initiating sleep, difficulty maintaining sleep, early morning awakenings, or non-restorative sleep, causing clinically significant distress or impairment in social, occupational, or other important areas of functioning.  The duration of the sleep difficulty is not specifically stated or does not meet the criteria for insomnia disorder, short-term insomnia, or other specified insomnia disorders.  Symptoms of sleep disturbance occur at least three nights per week.  The patient denies specific triggers such as shift work, jet lag, or medication use known to disrupt sleep.  A thorough review of systems reveals no other underlying medical or mental health conditions that fully explain the sleep difficulty.  Objective findings are unremarkable.  Differential diagnosis considered insomnia due to another medical condition, insomnia due to a mental disorder, and other sleep-wake disorders.  Assessment of sleep hygiene and daytime habits conducted.  Plan includes patient education on sleep hygiene practices,  consideration for cognitive behavioral therapy for insomnia (CBT-I), and follow-up to assess response to interventions.  ICD-10 code G47.00 Insomnia, unspecified, assigned.  Medical billing codes for evaluation and management services documented according to time spent and complexity of medical decision-making.