ICD-10: G47.11

Idiopathic hypersomnia with long sleep time, classified under the ICD-10 code G47.11, is a specific type of sleep disorder characterized by excessive daytime sleepiness and prolonged nighttime sleep without a clear underlying cause. Understanding alternative names and related terms can help in better identifying and discussing this condition. Below are some of the key terms associated with G47.11.

Alternative Names

1. Long Sleep Type Idiopathic Hypersomnia: This term emphasizes the prolonged sleep duration characteristic of this condition.
2. Excessive Daytime Sleepiness (EDS): While this term broadly applies to various sleep disorders, it is a significant symptom of idiopathic hypersomnia.
3. Hypersomnia: A general term for excessive sleepiness, which can include various subtypes, including idiopathic hypersomnia.
4. Primary Hypersomnia: This term is sometimes used interchangeably with idiopathic hypersomnia, although it can also refer to other forms of hypersomnia that are not secondary to other conditions.

Related Terms

1. Central Disorders of Hypersomnolence: This broader category includes idiopathic hypersomnia and other sleep disorders characterized by excessive sleepiness, such as narcolepsy.
2. Sleep Disorders: A general term that encompasses various conditions affecting sleep, including insomnia, sleep apnea, and hypersomnia.
3. Polysomnography: A diagnostic tool often used to evaluate sleep disorders, including idiopathic hypersomnia, by monitoring various physiological parameters during sleep.
4. Sleep Duration: Refers to the total time spent sleeping, which is notably longer in individuals with idiopathic hypersomnia with long sleep time.
5. Sleep Architecture: This term describes the structure and pattern of sleep cycles, which can be altered in individuals with hypersomnia.

Conclusion

Understanding the alternative names and related terms for ICD-10 code G47.11 is essential for healthcare professionals, researchers, and patients alike. These terms not only facilitate clearer communication regarding the condition but also enhance awareness of its symptoms and implications. If you have further questions or need more specific information about idiopathic hypersomnia, feel free to ask!

Idiopathic hypersomnia with long sleep time, classified under ICD-10 code G47.11, is a specific type of sleep disorder characterized by excessive daytime sleepiness and prolonged nighttime sleep. This condition is part of a broader category of hypersomnias, which are disorders that lead to excessive sleepiness despite adequate or prolonged sleep.

Clinical Description

Definition

Idiopathic hypersomnia (IH) is defined as a chronic condition where individuals experience excessive daytime sleepiness that is not attributable to other sleep disorders, medical conditions, or psychiatric issues. The "idiopathic" aspect indicates that the exact cause of the hypersomnia is unknown. The subtype "with long sleep time" specifically refers to patients who sleep for extended periods at night, typically exceeding 10 hours, and still feel unrefreshed upon waking[1][2].

Diagnostic Criteria

The diagnosis of idiopathic hypersomnia with long sleep time is based on specific criteria, which include:

1. Excessive Daytime Sleepiness: Patients must report significant sleepiness that interferes with daily activities, occurring at least three times per week for a minimum of three months.
2. Long Sleep Duration: Individuals typically sleep more than 10 hours per night, yet they do not feel refreshed upon waking.
3. Multiple Sleep Latency Test (MSLT): This test often shows a mean sleep latency of less than 8 minutes, indicating a tendency to fall asleep quickly during the day.
4. Exclusion of Other Disorders: The symptoms must not be better explained by other sleep disorders, such as narcolepsy, sleep apnea, or other medical or psychiatric conditions[3][4].

Symptoms

Common symptoms associated with idiopathic hypersomnia with long sleep time include:

• Persistent daytime sleepiness, even after long periods of sleep
• Difficulty waking up, often described as "sleep inertia"
• Prolonged nighttime sleep (often exceeding 10 hours)
• Cognitive impairments, such as difficulty concentrating or memory issues
• Mood disturbances, including irritability or depression[5][6].

Clinical Management

Diagnosis

Diagnosis typically involves a comprehensive evaluation, including:

• Sleep History: Detailed patient history regarding sleep patterns, duration, and quality.
• Polysomnography: An overnight sleep study to rule out other sleep disorders.
• Multiple Sleep Latency Test (MSLT): Conducted the day after polysomnography to measure daytime sleepiness[7][8].

Treatment Options

Management of idiopathic hypersomnia with long sleep time may include:

• Stimulant Medications: Such as modafinil or amphetamines, which can help reduce daytime sleepiness.
• Lifestyle Modifications: Encouraging regular sleep schedules, good sleep hygiene, and avoiding caffeine or alcohol close to bedtime.
• Cognitive Behavioral Therapy (CBT): May be beneficial for addressing associated mood disturbances and improving coping strategies[9][10].

Conclusion

Idiopathic hypersomnia with long sleep time (ICD-10 code G47.11) is a complex sleep disorder that significantly impacts the quality of life of those affected. Understanding its clinical features, diagnostic criteria, and management strategies is crucial for healthcare providers to offer effective treatment and support. Ongoing research into the underlying mechanisms and potential therapies continues to be essential for improving outcomes for patients with this condition.

Idiopathic hypersomnia with long sleep time, classified under ICD-10 code G47.11, is a sleep disorder characterized by excessive daytime sleepiness and prolonged nighttime sleep. This condition can significantly impact an individual's daily functioning and quality of life. Below is a detailed overview of its clinical presentation, signs, symptoms, and patient characteristics.

Clinical Presentation

Definition and Overview

Idiopathic hypersomnia (IH) is a central disorder of hypersomnolence, primarily characterized by excessive daytime sleepiness that is not attributable to other sleep disorders or medical conditions. The "with long sleep time" specification indicates that patients typically experience prolonged nocturnal sleep, often exceeding 10 hours per night, and may still feel unrefreshed upon waking[1][2].

Diagnostic Criteria

The diagnosis of idiopathic hypersomnia with long sleep time is based on specific criteria, including:
- Excessive daytime sleepiness: This is the hallmark symptom, where patients struggle to stay awake during the day, often falling asleep in inappropriate situations.
- Prolonged nighttime sleep: Patients usually report sleeping for extended periods (more than 10 hours) but still experience significant daytime sleepiness.
- Sleep inertia: Patients may experience prolonged grogginess or confusion upon waking, which can last for several hours[3][4].

Signs and Symptoms

Common Symptoms

1. Excessive Daytime Sleepiness: The primary symptom, leading to difficulties in maintaining alertness during daily activities.
2. Long Sleep Duration: Patients often sleep for more than 10 hours at night, which is significantly longer than the average sleep duration.
3. Sleep Inertia: A prolonged period of confusion and lethargy upon waking, which can interfere with morning activities.
4. Cognitive Impairment: Difficulty with concentration, memory, and overall cognitive function due to persistent sleepiness.
5. Mood Disturbances: Patients may experience anxiety, depression, or irritability as a result of their sleep disorder and its impact on daily life[5][6].

Physical Examination Findings

While there are no specific physical signs associated with idiopathic hypersomnia, a thorough examination may reveal:
- Normal neurological examination: Most patients do not exhibit neurological deficits.
- Signs of sleep deprivation: Such as dark circles under the eyes or signs of fatigue.

Patient Characteristics

Demographics

• Age of Onset: Idiopathic hypersomnia typically presents in late adolescence or early adulthood, although it can occur at any age.
• Gender: The condition affects both males and females, but some studies suggest a slight female predominance[7].

Comorbid Conditions

Patients with idiopathic hypersomnia may have comorbid conditions, including:
- Mood Disorders: Such as depression and anxiety, which can exacerbate the symptoms of hypersomnia.
- Other Sleep Disorders: Including sleep apnea or narcolepsy, which may complicate the clinical picture[8].

Impact on Daily Life

The excessive daytime sleepiness and cognitive impairments associated with idiopathic hypersomnia can lead to:
- Impaired Occupational Functioning: Difficulty maintaining employment or performing well at work due to sleepiness.
- Social Isolation: Patients may withdraw from social activities due to embarrassment about their condition or fear of falling asleep in public.
- Reduced Quality of Life: Overall life satisfaction may be significantly diminished due to the chronic nature of the disorder and its effects on daily functioning[9].

Conclusion

Idiopathic hypersomnia with long sleep time (ICD-10 code G47.11) is a complex sleep disorder characterized by excessive daytime sleepiness and prolonged nighttime sleep. Understanding its clinical presentation, symptoms, and patient characteristics is crucial for accurate diagnosis and effective management. Patients often face significant challenges in their daily lives, necessitating a comprehensive approach to treatment that may include lifestyle modifications, behavioral therapies, and pharmacological interventions. Early recognition and intervention can help improve the quality of life for those affected by this condition.

For further information or specific case studies, consulting sleep medicine specialists or relevant literature may provide additional insights into management strategies and patient experiences.

Idiopathic Hypersomnia (IH) is a sleep disorder characterized by excessive daytime sleepiness despite prolonged nighttime sleep. The specific ICD-10-CM code for this condition is G47.11, which refers to "Idiopathic hypersomnia with long sleep time." The diagnostic criteria for IH, particularly for this code, are outlined in various clinical guidelines and research studies.

Diagnostic Criteria for Idiopathic Hypersomnia

1. Excessive Daytime Sleepiness

The primary symptom of idiopathic hypersomnia is excessive daytime sleepiness (EDS), which is defined as a persistent feeling of sleepiness that occurs despite adequate or prolonged nighttime sleep. Patients often report difficulty staying awake during the day, which can significantly impair daily functioning and quality of life[1].

2. Long Sleep Time

For the diagnosis of idiopathic hypersomnia with long sleep time, patients typically experience prolonged nocturnal sleep, often exceeding 10 hours per night. This extended sleep duration is a distinguishing feature of this subtype of IH, differentiating it from other sleep disorders such as narcolepsy[2].

3. Multiple Sleep Latency Test (MSLT) Results

The Multiple Sleep Latency Test (MSLT) is a key diagnostic tool used to assess sleepiness. For a diagnosis of idiopathic hypersomnia, the MSLT results typically show:
- A mean sleep latency of less than 8 minutes.
- The presence of at least two sleep onset REM periods (SOREMPs) is not required for IH, which helps differentiate it from narcolepsy[3].

4. Exclusion of Other Sleep Disorders

Before diagnosing idiopathic hypersomnia, it is crucial to rule out other potential causes of excessive daytime sleepiness. This includes conditions such as:
- Sleep apnea
- Narcolepsy
- Circadian rhythm disorders
- Other medical or psychiatric conditions that could contribute to sleepiness[4].

5. Clinical History and Symptoms

A thorough clinical history is essential. Patients may report:
- Difficulty waking up after a full night's sleep.
- Prolonged sleep episodes during the day.
- Cognitive impairment, such as difficulty concentrating or memory issues, related to their sleepiness[5].

6. Impact on Daily Life

The symptoms of idiopathic hypersomnia must cause significant distress or impairment in social, occupational, or other important areas of functioning. This impact is a critical component of the diagnosis, as it underscores the disorder's effect on the patient's quality of life[6].

Conclusion

The diagnosis of idiopathic hypersomnia with long sleep time (ICD-10 code G47.11) is based on a combination of clinical symptoms, sleep study results, and the exclusion of other sleep disorders. Understanding these criteria is essential for healthcare providers to accurately diagnose and manage this condition, ultimately improving patient outcomes. If you suspect you or someone you know may have this disorder, consulting a sleep specialist for a comprehensive evaluation is recommended.

Idiopathic hypersomnia with long sleep time, classified under ICD-10 code G47.11, is a sleep disorder characterized by excessive daytime sleepiness and prolonged nighttime sleep without a clear cause. This condition can significantly impact an individual's quality of life, making effective treatment essential. Below, we explore standard treatment approaches for managing idiopathic hypersomnia with long sleep time.

Understanding Idiopathic Hypersomnia

Idiopathic hypersomnia is a neurological disorder that leads to excessive sleepiness during the day, despite adequate or prolonged nighttime sleep. Patients often experience difficulty waking up, prolonged sleep episodes, and may have a tendency to nap frequently throughout the day. The "long sleep time" aspect indicates that individuals may sleep for extended periods, often exceeding 10 hours per night, yet still feel unrefreshed upon waking[1].

Standard Treatment Approaches

1. Pharmacological Treatments

Pharmacotherapy is often the first line of treatment for idiopathic hypersomnia. The following medications are commonly prescribed:

• Stimulants: Medications such as modafinil (Provigil) and armodafinil (Nuvigil) are frequently used to promote wakefulness. These drugs help reduce excessive daytime sleepiness and improve overall alertness without the sedative effects associated with traditional stimulants[2].

• Amphetamines: In some cases, amphetamines like dextroamphetamine may be prescribed. These can be effective in increasing wakefulness but may have a higher potential for side effects and dependency[3].

• Sodium Oxybate: This medication is sometimes used for patients with severe symptoms. It helps consolidate sleep and can improve nighttime sleep quality, which may reduce daytime sleepiness[4].

• Antidepressants: Certain antidepressants, particularly those with stimulating properties, may also be beneficial in managing symptoms of idiopathic hypersomnia[5].

2. Behavioral and Lifestyle Modifications

In addition to medication, lifestyle changes can play a crucial role in managing symptoms:

• Sleep Hygiene: Establishing a regular sleep schedule, creating a conducive sleep environment, and avoiding stimulants (like caffeine) before bedtime can improve sleep quality[6].

• Scheduled Naps: For some individuals, incorporating short, scheduled naps during the day can help alleviate excessive sleepiness without disrupting nighttime sleep[7].

• Physical Activity: Regular physical activity can enhance overall energy levels and improve sleep quality, contributing to better management of hypersomnia symptoms[8].

3. Cognitive Behavioral Therapy (CBT)

Cognitive Behavioral Therapy for Insomnia (CBT-I) can be beneficial for individuals struggling with sleep disorders. This therapeutic approach focuses on changing sleep-related behaviors and thoughts, which can help improve sleep quality and reduce daytime sleepiness[9].

4. Monitoring and Follow-Up

Regular follow-up with healthcare providers is essential to monitor the effectiveness of treatment and make necessary adjustments. Sleep studies, such as polysomnography and multiple sleep latency tests, may be conducted to assess sleep patterns and the severity of hypersomnia[10].

Conclusion

Managing idiopathic hypersomnia with long sleep time involves a multifaceted approach that includes pharmacological treatments, lifestyle modifications, and behavioral therapies. While medications like stimulants and sodium oxybate are central to treatment, integrating behavioral strategies and regular monitoring can enhance outcomes. Individuals experiencing symptoms of idiopathic hypersomnia should consult healthcare professionals for a tailored treatment plan that addresses their specific needs and circumstances.

For further information or to explore additional treatment options, patients are encouraged to engage in discussions with their healthcare providers, who can provide personalized recommendations based on the latest clinical guidelines and research.