5A0222CAssistance with Cardiac Oxygenation, Supersaturated

  • Billable / Specific Code
ICD-10-PCS 5A0222C
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

5A0222C is a billable ICD-10-PCS procedure code for Assistance with Cardiac Oxygenation, Supersaturated. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Assistance involves taking over a portion of a physiological function by extracorporeal means. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Percutaneous coronary interventions (PCI).

Code Identity

ICD-10-PCS Code
5A0222C
Billable Status
Yes — Valid for Submission
Code Describes
Assistance with Cardiac Oxygenation, Supersaturated
Short Description
Assistance with Cardiac Oxygenation, Supersaturated
Same as the full description in the CMS dataset.
Parent Code

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.

PositionDesignationValueMeaning
1Section5Extracorporeal or Systemic Assistance and Performance
2Body SystemAPhysiological Systems
3Operation0Assistance
4BodySystem2Cardiac
5Duration2Continuous
6Function2Oxygenation
7QualifierCSupersaturated

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Assistance, Cardiac, Continuous, Oxygenation, Supersaturated
Direct entry for this code
SSO2 (Supersaturated Oxygen) therapy, cardiac intra-arterial
Direct entry for this code
Supersaturated Oxygen (SSO2) therapy, cardiac intra-arterial
Direct entry for this code
Oxygenation, Supersaturated
Leads to this code's table
Resuscitation, Cardiopulmonary
Leads to this code's table
Leads to this code's table

To code oxygenation of the supersaturated, open the FY 2027 ICD-10-PCS Alphabetic Index at Oxygenation, then the subterm Supersaturated. The index leads to table 5A0, where the duration, function and qualifier values shown in the breakdown above complete the seven-character code 5A0222C.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

CAR004
Percutaneous coronary interventions (PCI)
Clinical domain: Cardiovascular Procedures

Code History

Replaces previously assigned code(s):
  • 5A0512C — Extracorporeal Supersaturated Oxygenation, Intermittent
  • 5A0522C — Extracorporeal Supersaturated Oxygenation, Continuous

Similar Procedure Codes

Questions About 5A0222C

Is 5A0222C a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Assistance with Cardiac Oxygenation, Supersaturated on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 5A0222C mean?

The code 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 2 is the BodySystem (Cardiac); the 5th character 2 is the Duration (Continuous); the 6th character 2 is the Function (Oxygenation); the 7th character C is the Qualifier (Supersaturated).