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Thoracic Electrical Bioimpedance in the Outpatient Setting

Blue Cross & Blue Shield of Mississippi·Cardiology, Pulmonology, Critical Care·Medical Policy
Effective date
Not stated
We identified it
Jun 20, 2026
Days to comply
—

Summary

This policy confirms that thoracic electrical bioimpedance and inert gas rebreathing procedures remain considered investigational (non-covered) in outpatient settings. The policy was reviewed with no changes on March 27, 2025, maintaining the existing coverage restriction.

Action Required

Action needed
No immediate action required. Continue existing practice of not billing CPT codes 93701, 0104T, and 0105T for thoracic bioimpedance and inert gas rebreathing in outpatient settings as these remain investigational and non-covered. If providers request these services, inform them of non-coverage status.

Affected Billing Codes

93701

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