5A09559Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, Continuous Negative Airway Pressure
- Billable / Specific Code
5A09559 is a billable ICD-10-PCS procedure code for Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, Continuous Negative Airway Pressure. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Assistance involves taking over a portion of a physiological function by extracorporeal means.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 5 | Extracorporeal or Systemic Assistance and Performance |
| 2 | Body System | A | Physiological Systems |
| 3 | Operation | 0 | Assistance |
| 4 | BodySystem | 9 | Respiratory |
| 5 | Duration | 5 | Greater than 96 Consecutive Hours |
| 6 | Function | 5 | Ventilation |
| 7 | Qualifier | 9 | Continuous Negative Airway Pressure |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 5A09559 under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 5A09559
Is 5A09559 a billable code?
Yes. 5A09559 is a complete seven-character ICD-10-PCS code, specific enough to report Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, Continuous Negative Airway Pressure on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 5A09559 mean?
5A09559 breaks down character by character: the 1st character 5 is the Section (Extracorporeal or Systemic Assistance and Performance); the 2nd character A is the Body System (Physiological Systems); the 3rd character 0 is the Operation (Assistance); the 4th character 9 is the BodySystem (Respiratory); the 5th character 5 is the Duration (Greater than 96 Consecutive Hours); the 6th character 5 is the Function (Ventilation); the 7th character 9 is the Qualifier (Continuous Negative Airway Pressure).
What is the ICD-9-PCS equivalent of 5A09559?
Under the General Equivalence Mappings, Assistance with Respiratory Ventilation, Greater than 96 Consecutive Hours, Continuous Negative Airway Pressure crosswalks to ICD-9-PCS 93.99. The mapping is approximate, so confirm it fits the documentation.
