6A6 Phototherapy - Physiological Systems ICD-10-PCS
The 6A6 code range contains 5 ICD-10-PCS codes for Phototherapy procedures on the physiological systems. 4 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.
Root Operation Definition
Phototherapy: Extracorporeal treatment by light rays.
Codes in the 6A6 Range 5 codes · 4 billable
About the 6A6 Code Range
These procedures use light rays outside the body to treat the skin or circulatory system.
The fourth character identifies Skin or Circulatory as the body system. The fifth character records Duration as Single or Multiple. The sixth and seventh characters are both No Qualifier.
Questions About This Page
How many billable codes are in the 6A6 range?
Of the 5 codes in this range, 4 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 6A6 range classify?
The range classifies Phototherapy procedures, extracorporeal treatment by light rays, 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.
