ICD-10-PCS Tabular Index · Section 6 · FY 2027 6A3

6A3 Hyperthermia - Physiological Systems ICD-10-PCS

The 6A3 code range contains 3 ICD-10-PCS codes for Hyperthermia procedures on the physiological systems. 2 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.

✓ Built from the official CMS FY 2027 datasetEffective Oct 1, 2026 – Sep 30, 2027
3
Procedure Codes
2
Billable Codes
6A3
Characters 1–3
6A
Parent Body System

Root Operation Definition

Hyperthermia: Extracorporeal raising of body temperature.

ICD-10-PCS

Codes in the 6A3 Range 3 codes · 2 billable

3 of 3 shown
  • 6A3 Extracorporeal or Systemic Therapies, Physiological Systems, HyperthermiaNon-billable header
  • 6A3Z0ZZ Hyperthermia, Single
  • 6A3Z1ZZ Hyperthermia, Multiple

About the 6A3 Code Range

These procedures raise body temperature through a process outside the body.

The fourth character lists the body system as None. The fifth character distinguishes Single from Multiple under Duration. The sixth and seventh characters both have No Qualifier.

Questions About This Page

How many billable codes are in the 6A3 range?

Of the 3 codes in this range, 2 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 6A3 range classify?

The range classifies Hyperthermia procedures, extracorporeal raising 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.