5A0 Assistance - Physiological Systems ICD-10-PCS
The 5A0 code range contains 39 ICD-10-PCS codes for Assistance procedures on the physiological systems. 38 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Assistance: Taking over a portion of a physiological function by extracorporeal means.
Codes in the 5A0 Range 39 codes · 38 billable
- 5A0 Extracorporeal or Systemic Assistance and Performance, Physiological Systems, AssistanceNon-billable header
- 5A02110 Assistance with Cardiac Output using Balloon Pump, Intermittent
- 5A02115 Assistance with Cardiac Output using Pulsatile Compression, Intermittent
- 5A02116 Assistance with Cardiac Output using Other Pump, Intermittent
- 5A0211D Assistance with Cardiac Output using Impeller Pump, Intermittent
- 5A02210 Assistance with Cardiac Output using Balloon Pump, Continuous
- 5A02215 Assistance with Cardiac Output using Pulsatile Compression, Continuous
- 5A02216 Assistance with Cardiac Output using Other Pump, Continuous
- 5A0221D Assistance with Cardiac Output using Impeller Pump, Continuous
- 5A0222C Assistance with Cardiac Oxygenation, Supersaturated
- 5A05121 Extracorporeal Hyperbaric Oxygenation, Intermittent
- 5A05221 Extracorporeal Hyperbaric Oxygenation, Continuous
- 5A05A0L Extracorporeal Peripheral Veno-venous Filtration, Intraoperative New
- 5A0920Z Assistance with Respiratory Filtration, Continuous
- 5A09357 Assistance with Respiratory Ventilation, Less than 24 Consecutive Hours, Continuous Positive Airway Pressure
- 5A09358 Assistance with Respiratory Ventilation, Less than 24 Consecutive Hours, Intermittent Positive Airway Pressure
- 5A09359 Assistance with Respiratory Ventilation, Less than 24 Consecutive Hours, Continuous Negative Airway Pressure
- 5A0935A Assistance with Respiratory Ventilation, Less than 24 Consecutive Hours, High Flow/Velocity Cannula
- 5A0935B Assistance with Respiratory Ventilation, Less than 24 Consecutive Hours, Intermittent Negative Airway Pressure
- 5A0935Z Assistance with Respiratory Ventilation, Less than 24 Consecutive Hours
- 5A09457 Assistance with Respiratory Ventilation, 24-96 Consecutive Hours, Continuous Positive Airway Pressure
- 5A09458 Assistance with Respiratory Ventilation, 24-96 Consecutive Hours, Intermittent Positive Airway Pressure
- 5A09459 Assistance with Respiratory Ventilation, 24-96 Consecutive Hours, Continuous Negative Airway Pressure
- 5A0945A Assistance with Respiratory Ventilation, 24-96 Consecutive Hours, High Flow/Velocity Cannula
- 5A0945B Assistance with Respiratory Ventilation, 24-96 Consecutive Hours, Intermittent Negative Airway Pressure
- 5A0945Z Assistance with Respiratory Ventilation, 24-96 Consecutive Hours
- 5A09557 Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, Continuous Positive Airway Pressure
- 5A09558 Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, Intermittent Positive Airway Pressure
- 5A09559 Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, Continuous Negative Airway Pressure
- 5A0955A Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, High Flow/Velocity Cannula
- 5A0955B Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, Intermittent Negative Airway Pressure
- 5A0955Z Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours
- 5A09B5K Assistance with Respiratory Ventilation, Less than 8 Consecutive Hours, Intubated Prone Positioning
- 5A09C5K Assistance with Respiratory Ventilation, 8-24 Consecutive Hours, Intubated Prone Positioning
- 5A09D5K Assistance with Respiratory Ventilation, Greater than 24 Consecutive Hours, Intubated Prone Positioning
- 5A05A6M Intraoperative Cerebral Embolic Filtration, Single Capture Filter New
- 5A05A6N Intraoperative Cerebral Embolic Filtration, Dual Capture Filter New
- 5A05A6P Intraoperative Cerebral Embolic Filtration, Single Deflection Filter New
- 5A05A6Q Intraoperative Cerebral Embolic Filtration, Extracorporeal Flow Reversal Circuit New
About the 5A0 Code Range
The ICD-10-PCS root operation Assistance (code 5A0) involves providing extracorporeal or systemic support to physiological systems. This means the procedure temporarily helps or takes over the function of a body system to sustain life or improve function.
Within the classification of Extracorporeal or Systemic Assistance and Performance, these codes cover various ways of aiding the cardiac and respiratory systems, among others. Examples include assisting cardiac output through devices like a balloon pump or an impeller pump, either intermittently or continuously (e.g., 5A02110, 5A0221D). Respiratory assistance codes document support such as continuous positive airway pressure (CPAP) for ventilation assistance lasting from less than 24 hours up to over 96 hours (e.g., 5A09357, 5A09557). Other procedures include extracorporeal hyperbaric oxygenation and veno-venous filtration (e.g., 5A05121, 5A05A0L). Correct use of these Assistance codes is essential to precisely describe the method and duration of systemic physiological support provided during patient care.
Questions About This Page
How many billable codes are in the 5A0 range?
Of the 39 codes in this range, 38 are billable and valid for inpatient claim submission from October 1, 2025 through September 30, 2026. Table header codes group them but cannot be reported on claims.
What does the 5A0 range classify?
The range classifies Assistance procedures, taking over a portion of a physiological function by extracorporeal means, performed on the physiological systems. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.
Related References
Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
