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G47.33
ICD-10-CM
Obstructive Sleep Apnea

Find information on obstructive sleep apnea diagnosis, including relevant healthcare documentation, clinical terminology, and medical coding. Learn about ICD-10 codes for OSA, CPAP treatment, sleep study documentation requirements, AHI interpretation, and polysomnography coding guidelines. This resource provides details on OSA severity levels, medical necessity documentation for sleep apnea testing, and accurate coding for billing and reimbursement. Explore common OSA symptoms, diagnostic criteria, and clinical documentation best practices for healthcare professionals.

Also known as

OSA
Sleep Apnea
Obstructive Sleep Apnoea
+1 more

Diagnosis Snapshot

Key Facts
  • Definition : Breathing repeatedly stops and starts during sleep due to airway blockage.
  • Clinical Signs : Loud snoring, gasping for air during sleep, excessive daytime sleepiness, morning headaches.
  • Common Settings : Sleep studies, CPAP therapy, oral appliances, surgery consultations.

Related ICD-10 Code Ranges

Complete code families applicable to AAPC G47.33 Coding
G47.33

Obstructive sleep apnea (adult)

Diagnosis of adult obstructive sleep apnea.

G47.30

Sleep apnea, unspecified

Sleep apnea without specifying obstructive or central.

G47.31

Central sleep apnea

Sleep apnea caused by central nervous system dysfunction.

J96.0

Acute respiratory failure

Sudden inability of the lungs to maintain adequate oxygenation or ventilation, which can be a consequence of severe sleep apnea.

Code-Specific Guidance

Decision Tree for

Follow this step-by-step guide to choose the correct ICD-10 code.

Is OSA adult or pediatric?

  • Adult (15+ years)

    OSA confirmed by polysomnography?

  • Pediatric (under 15 years)

    OSA confirmed by polysomnography?

Code Comparison

Related Codes Comparison

When to use each related code

Description
Obstructive Sleep Apnea
Central Sleep Apnea
Upper Airway Resistance Syndrome

Documentation Best Practices

Documentation Checklist
  • OSA diagnosis requires documented polysomnography results.
  • Document apnea-hypopnea index (AHI) from sleep study.
  • Specify OSA severity (mild, moderate, severe).
  • Note symptoms: snoring, daytime sleepiness, witnessed apneas.
  • Document impact on daily activities and quality of life.

Coding and Audit Risks

Common Risks
  • OSA Coding Specificity

    ICD-10 code G47.33 requires specific documentation of obstruction location (e.g., nose, oropharynx, tongue). Lack of detail can lead to coding errors and claim denials.

  • OSA Severity Coding

    AHI or RDI values must be documented to support severity coding (mild, moderate, severe) for accurate reimbursement and compliant medical coding.

  • Comorbidity Documentation

    OSA often coexists with hypertension, heart failure, and other conditions. Incomplete documentation of these comorbidities impacts risk adjustment and quality reporting.

Mitigation Tips

Best Practices
  • Document apnea-hypopnea index (AHI) for ICD-10 G47.33 accurate coding.
  • CDI: Detail OSA symptoms, polysomnography findings for complete record.
  • Ensure medical necessity for CPAP/BiPAP per payer guidelines, compliance.
  • Regular follow-up, therapy efficacy notes improve OSA management, coding.
  • Accurate sleep study documentation supports correct OSA severity diagnosis.

Clinical Decision Support

Checklist
  • Snoring, daytime sleepiness, witnessed apneas (ICD-10 G47.33)
  • Assess BMI, neck circumference, hypertension (E/M coding)
  • Evaluate STOP-BANG score for OSA risk stratification (patient safety)
  • Consider polysomnography for diagnosis confirmation (CPT 95800)
  • Document Epworth Sleepiness Scale score (accurate clinical documentation)

Reimbursement and Quality Metrics

Impact Summary
  • Obstructive Sleep Apnea reimbursement hinges on accurate ICD-10 (G47.33) and CPT coding (95800, 95806, 95810) for diagnostic tests like polysomnography.
  • Quality metrics impacted: Apnea Hypopnea Index (AHI) reporting, CPAP adherence monitoring, Epworth Sleepiness Scale (ESS) scores.
  • OSA diagnosis impacts hospital reporting on patient safety indicators related to respiratory complications and length of stay.
  • Proper coding and documentation improve reimbursement rates and reduce claim denials for OSA management.

Streamline Your Medical Coding

Let S10.AI help you select the most accurate ICD-10 codes for . Our AI-powered assistant ensures compliance and reduces coding errors.

Quick Tips

Practical Coding Tips
  • Document AHI/RDI
  • Specify apnea type (obstructive, central, mixed)
  • Code G47.33 for OSA
  • Link OSA to comorbidities (e.g., hypertension)
  • Note CPAP/BiPAP use

Documentation Templates

Patient presents with complaints consistent with obstructive sleep apnea (OSA).  Symptoms include excessive daytime sleepiness, loud snoring reported by bed partner, witnessed apnea episodes, and morning headaches.  Patient reports fatigue interfering with daily activities and difficulty concentrating.  Review of systems reveals restless sleep, frequent nocturnal awakenings, and gasping or choking during sleep.  Past medical history is significant for hypertension and obesity.  Physical examination reveals a BMI of 35, enlarged tonsils, and a neck circumference of 43 cm.  The STOP-BANG questionnaire score is 6, indicating high risk for OSA.  Diagnosis of obstructive sleep apnea is suspected.  Differential diagnoses include central sleep apnea, upper airway resistance syndrome, and insomnia.  Plan includes referral for polysomnography (sleep study) to confirm the diagnosis and determine apnea-hypopnea index (AHI).  Treatment options including continuous positive airway pressure (CPAP) therapy, weight loss, and oral appliance therapy will be discussed following the sleep study.  ICD-10 code G47.33 (Obstructive sleep apnea (adult)) is documented.  Patient education provided on sleep hygiene, risks of untreated OSA, and importance of adherence to prescribed therapy.  Follow-up appointment scheduled in two weeks to review sleep study results and initiate treatment.
Obstructive Sleep Apnea - AI-Powered ICD-10 Documentation