6A4Extracorporeal or Systemic Therapies, Physiological Systems, Hypothermia

  • Non-Billable Header
ICD-10-PCS 6A4
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

6A4 is a non-billable ICD-10-PCS code that heads the group for Extracorporeal or Systemic Therapies, Physiological Systems, Hypothermia, so it cannot be submitted on a claim; a more specific seven-character code is required. The root operation Hypothermia involves extracorporeal lowering of body temperature.

Code Identity

ICD-10-PCS Code
6A4
Billable Status
No — Non-Billable Header
Code Describes
Extracorporeal or Systemic Therapies, Physiological Systems, Hypothermia
Short Description
Extracrp/Syst Therapies, Phys Sys, Hypotherm

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
1Section6Extracorporeal or Systemic Therapies
2Body SystemAPhysiological Systems
3Operation4Hypothermia

Similar Procedure Codes

Questions About 6A4

Is 6A4 a billable code?

No. 6A4 is an incomplete heading for Extracorporeal or Systemic Therapies, Physiological Systems, Hypothermia and cannot be submitted on a claim. A complete seven-character code is required, such as 6A4T00A, 6A4Z0ZZ, and 6A4Z1ZZ.