ICD-10-CM · G47.33
ICD-10 G47.33: Obstructive sleep apnea (adult) (pediatric)
OSA diagnosed via polysomnography. Most common sleep disorder code.
Code
G47.33
Category
Diseases of the nervous system (G00-G99)
Clinical context
OSA diagnosed via polysomnography. Most common sleep disorder code.
Documentation requirements
- PSG or HSAT result (AHI documented)
- Symptoms (daytime sleepiness, witnessed apneas)
Common related procedures
- 95810 PSG (requires PA usually)
- 95800 HSAT
- E0470/E0471 CPAP/BiPAP
Common payer denial patterns
- CPAP adherence requirement (4+ hours/night, 70% of nights, in compliance period)
- BiPAP requires CPAP intolerance documentation
Frequently asked questions
What does ICD-10 G47.33 mean?
Obstructive sleep apnea (adult) (pediatric)
When is this code documented?
OSA diagnosed via polysomnography. Most common sleep disorder code.
What documentation supports this code?
PSG or HSAT result (AHI documented); Symptoms (daytime sleepiness, witnessed apneas).
What are common denials associated with this diagnosis?
CPAP adherence requirement (4+ hours/night, 70% of nights, in compliance period); BiPAP requires CPAP intolerance documentation.
Related diagnoses
- G20 — Parkinson's disease
- G30.9 — Alzheimer's disease, unspecified
- G35 — Multiple sclerosis
- G40.909 — Epilepsy, unspecified, not intractable, without status epilepticus
- G43.909 — Migraine, unspecified, not intractable, without status migrainosus
- G44.209 — Tension-type headache, unspecified, not intractable
Sources
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