AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2025 Issue 3; Ask the Editor
Complex Sleep Apnea (ComSA)
A patient with obstructive sleep apnea (OSA) underwent a polysomnography to assess the response to positive airway pressure (PAP) therapy and find the optimal PAP therapy modality and pressure. However, at pressures required to address the patient’s obstructive events, the patient subsequently developed clinically significant central apneas/hypopneas, with a final impression of complex sleep apnea (ComSA). How is a diagnosis of ComSA coded in a patient with OSA? ...
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Article Overview
This brief coding article is for professionals working with sleep studies, polysomnography, and ICD-10-CM diagnosis coding. It discusses a scenario in which sleep-disordered breathing is evaluated during positive airway pressure therapy and notes how the diagnosis is represented when a specific ICD-10-CM term is not directly available. The article also references the role of the Alphabetic Index and Tabular List in general terms.
Why This Topic Matters
It helps coders and billers understand how to document sleep apnea-related diagnoses when multiple forms of apnea are involved and the terminology used in the clinical record does not have a dedicated ICD-10-CM entry.
What You Will Learn
- How the article frames a sleep study scenario involving positive airway pressure therapy
- How the article discusses coding when a specific diagnosis term is not directly classified in ICD-10-CM
- How the Alphabetic Index and Tabular List are referenced in the context of code selection
- How the article distinguishes between obstructive sleep apnea and a related sleep-apnea condition in coding terms
Who Should Read This
- Medical coders
- Billing staff
- Sleep medicine coders
- Clinical documentation specialists
Codes Discussed
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