Short answer · Medically reviewed summary · Last updated: 2026-04-06

The ICD-10 code for Obstructive Sleep Apnea (OSA) is G47.33, while the primary ICD-9 code historically used for this condition is 327.23. As a physician, I understand that navigating the clinical coding for Sleep Apnea can feel like an unnecessary burden when you are already struggling with the fatigue and health impacts of this condition. It is important to note that while these codes are standard, they represent a spectrum of severity.

1 people with Sleep Apnea have shared their first-person experience on this question at DiseaseMaps.

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ICD10 code of Sleep Apnea and ICD9 code

ICD-10 and ICD-9 codes for Sleep Apnea, with classification details for clinicians, coders and patients.

ICD9 and ICD10 codes of Sleep Apnea

The ICD-10 code for Obstructive Sleep Apnea (OSA) is G47.33, while the primary ICD-9 code historically used for this condition is 327.23.



As a physician, I understand that navigating the clinical coding for Sleep Apnea can feel like an unnecessary burden when you are already struggling with the fatigue and health impacts of this condition. It is important to note that while these codes are standard, they represent a spectrum of severity. In the ICD-10-CM classification, G47.30 is often used for unspecified sleep apnea, whereas G47.33 specifically designates Obstructive Sleep Apnea, which is the most common form diagnosed in our Sleep Apnea patient community.



Clinical Significance of Coding


These codes are more than just administrative labels; they are critical for securing insurance coverage for diagnostic polysomnography (sleep studies) and essential therapies like Continuous Positive Airway Pressure (CPAP) machines. Because Sleep Apnea is a chronic condition that can lead to significant cardiovascular and metabolic complications if left untreated, precise coding is vital to ensure you receive the long-term monitoring and supplies necessary for your care. If you find that your medical records use different codes, it may be because your physician is documenting specific comorbidities or the central form of the disorder (G47.31).



Living with the Diagnosis


Receiving a formal diagnosis of Sleep Apnea often brings a mix of emotions, ranging from relief at finally identifying the cause of your exhaustion to frustration regarding the life adjustments required by treatment. Please remember that you are not alone; with 293 members in our DiseaseMaps community, there is a wealth of shared experience regarding the transition to using sleep therapy devices. While the clinical codes provide the structure for your medical care, your personal journey and quality of life remain the priority of your clinical team. If you are struggling with the psychological adjustment to your diagnosis, please reach out to your provider to discuss how Sleep Apnea treatment can be better integrated into your daily routine.



Disclaimer: This information is for educational purposes and does not replace professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or qualified health provider with any questions regarding a medical condition.



References



  • World Health Organization (WHO) - ICD-10 Version: 2019

  • NIH Genetic and Rare Diseases Information Center (GARD)

  • American Academy of Sleep Medicine (AASM) Clinical Guidelines

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-04-06
Sources cited: World Health Organization (WHO) - ICD-10 Version: 2019 · NIH Genetic and Rare Diseases Information Center (GARD) · American Academy of Sleep Medicine (AASM) Clinical Guidelines
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
2 answers
ICD9: 327.23
ICD10: G47.33

Posted Jun 24, 2017 by Tiffiane 4151

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