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ICD Hub / Sleep–wake disorders (G47) / 7A24 - Hypersomnia due to a medication or substance
ICD-11

ICD-11 Codes
for 7A24 - Hypersomnia due to a medication or substance
Teodor Jurukovski January 1, 1970
Fact checked by: Teodor Jurukovski
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Understanding Hypersomnia Due to Medication or Substance (ICD-11 Code 7A24)

Hypersomnia due to a medication or substance, identified by the ICD-11 code 7A24, refers to a condition characterized by excessive daytime sleepiness that is directly caused by the intake of certain medications or substances. This condition is distinct from other forms of hypersomnia as it is iatrogenic or substance-induced. It can significantly impair daily functioning, affecting work, social life, and overall well-being.

Factors Contributing to Drug-Induced Hypersomnia

The primary risk factors for developing hypersomnia due to a medication or substance involve the use or withdrawal from specific agents. Common culprits include sedative medications, such as benzodiazepines, certain antipsychotics, and muscle relaxants. Alcohol and narcotic drugs (opiates) are also significant contributors. Furthermore, hypersomnia can manifest as a withdrawal symptom following the cessation of stimulant drugs, including those prescribed for conditions like ADHD. The dosage, duration of use, and individual patient sensitivity play crucial roles in the onset and severity of these symptoms.

Recognizing the Signs of Medication-Induced Sleepiness

The hallmark symptom of hypersomnia due to a medication or substance is persistent and overwhelming daytime sleepiness. Individuals often struggle to stay awake during routine activities, experiencing frequent episodes of falling asleep unintentionally. This excessive sleepiness may not be relieved by naps, and patients often report feeling unrefreshed even after prolonged sleep periods. Other associated symptoms can include decreased energy, difficulty concentrating, irritability, and a general reduction in alertness, impacting cognitive function and daily performance.

Diagnosing Hypersomnia Linked to Medications or Substances

The diagnosis of hypersomnia due to a medication or substance (ICD-11 code 7A24) relies heavily on a comprehensive medical history. Clinicians will inquire about current and recent medication use, including prescription drugs, over-the-counter remedies, and recreational substance use. It is essential to differentiate this condition from other causes of hypersomnia, such as primary sleep disorders or medical conditions. Diagnostic tools may include a detailed sleep diary to track sleep patterns and daytime sleepiness, and in some cases, a sleep study (polysomnography) or multiple sleep latency test (MSLT) may be employed to rule out other sleep disorders and confirm the excessive daytime sleepiness.

Managing Hypersomnia from Medications and Substances

The cornerstone of treatment for hypersomnia due to a medication or substance involves identifying and addressing the causative agent. Under strict medical supervision, the offending medication may be adjusted, reduced, or discontinued. For substance-induced hypersomnia, management may involve detoxification protocols and support for withdrawal symptoms. It is crucial for patients to consult with their healthcare provider before making any changes to their medication regimen. In some instances, managing withdrawal or addressing underlying sleep issues may require a multi-faceted approach.

Coding and Documenting Hypersomnia Due to Medication or Substance (7A24)

Accurate medical coding and documentation are vital for patient care and billing. The specific ICD-11 code for hypersomnia due to a medication or substance is 7A24. This code should be used when a patient's excessive daytime sleepiness is confirmed to be a direct result of a medication or substance. Documentation should clearly specify the medication or substance responsible for the hypersomnia to ensure precise record-keeping and appropriate clinical management. This ICD-11 code for drug-induced hypersomnia aids in tracking the prevalence and impact of substance-related sleep disturbances.

Frequently asked questions

What is the ICD-11 classification for hypersomnia caused by medication or substance?
The ICD-11 classification for hypersomnia due to a medication or substance is 7A24.
When should the ICD-11 code 7A24, Hypersomnia due to a medication or substance, be applied?
The diagnosis of Hypersomnia due to a medication or substance (7A24) should be used when the hypersomnia symptoms are of such severity that they represent a primary focus of clinical attention.
What is included under the ICD-11 classification 7A24?
The ICD-11 classification 7A24 includes hypersomnia due to substances including medications.
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