6A4 Hypothermia - Physiological Systems ICD-10-PCS
The 6A4 code range contains 4 ICD-10-PCS codes for Hypothermia procedures on the physiological systems. 3 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.
Root Operation Definition
Hypothermia: Extracorporeal lowering of body temperature.
Codes in the 6A4 Range 4 codes · 3 billable
About the 6A4 Code Range
These procedures lower body temperature from outside the body. They include hypothermia therapy and protective thermal insulation for a donor organ.
The fourth character identifies the Urinary System or None. The fifth records duration as Single or Multiple. The sixth identifies Donor Organ Protective Thermal Insulation or No Qualifier. The seventh identifies Intraoperative, meaning during an operation, or No Qualifier.
The Index also lists kidney protective jacket as a procedure name.
Questions About This Page
How many billable codes are in the 6A4 range?
Of the 4 codes in this range, 3 are billable and valid for inpatient claim submission from October 1, 2026 through September 30, 2027. Table header codes group them but cannot be reported on claims.
What does the 6A4 range classify?
The range classifies Hypothermia procedures, extracorporeal lowering of body temperature, 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 2027 ICD-10-PCS order file and code tables, effective October 1, 2026 through September 30, 2027.
