6A5 Pheresis - Physiological Systems ICD-10-PCS
The 6A5 code range contains 13 ICD-10-PCS codes for Pheresis procedures on the physiological systems. 12 of the codes are billable and valid for inpatient claim submission in fiscal year 2027.
Root Operation Definition
Pheresis: Extracorporeal separation of blood products.
Codes in the 6A5 Range 13 codes · 12 billable
- 6A5 Extracorporeal or Systemic Therapies, Physiological Systems, PheresisNon-billable header
- 6A550Z0 Pheresis of Erythrocytes, Single
- 6A550Z1 Pheresis of Leukocytes, Single
- 6A550Z2 Pheresis of Platelets, Single
- 6A550Z3 Pheresis of Plasma, Single
- 6A550ZT Pheresis of Cord Blood Stem Cells, Single
- 6A550ZV Pheresis of Hematopoietic Stem Cells, Single
- 6A551Z0 Pheresis of Erythrocytes, Multiple
- 6A551Z1 Pheresis of Leukocytes, Multiple
- 6A551Z2 Pheresis of Platelets, Multiple
- 6A551Z3 Pheresis of Plasma, Multiple
- 6A551ZT Pheresis of Cord Blood Stem Cells, Multiple
- 6A551ZV Pheresis of Hematopoietic Stem Cells, Multiple
About the 6A5 Code Range
Pheresis separates blood products outside the body. These procedures involve the circulatory system.
The fourth character identifies the circulatory system. The fifth records duration as Single or Multiple, and the sixth is always No Qualifier. The seventh identifies the blood product: erythrocytes (red blood cells), leukocytes (white blood cells), platelets, plasma, cord blood stem cells, or hematopoietic (blood-forming) stem cells.
Questions About This Page
How many billable codes are in the 6A5 range?
Of the 13 codes in this range, 12 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 6A5 range classify?
The range classifies Pheresis procedures, extracorporeal separation of blood products, 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.
