6A550Z3Pheresis of Plasma, Single
- Billable / Specific Code
6A550Z3 is a billable ICD-10-PCS procedure code for Pheresis of Plasma, Single. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Pheresis involves extracorporeal separation of blood products. The Alphabetic Index lists this code under Aquapheresis. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Pheresis therapy.
Code Identity
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.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 6 | Extracorporeal or Systemic Therapies |
| 2 | Body System | A | Physiological Systems |
| 3 | Operation | 5 | Pheresis |
| 4 | BodySystem | 5 | Circulatory |
| 5 | Duration | 0 | Single |
| 6 | Qualifier | Z | No Qualifier |
| 7 | Qualifier | 3 | Plasma |
In the ICD-10-PCS Alphabetic Index
The FY 2027 ICD-10-PCS Alphabetic Index refers to 6A550Z3 as Aquapheresis. These index entries lead to this code:
To code aquapheresis, open the FY 2027 ICD-10-PCS Alphabetic Index at Aquapheresis. The entry lists 6A550Z3 directly as a complete, billable code.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 6A550Z3
Is 6A550Z3 a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Pheresis of Plasma, Single on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for aquapheresis?
The ICD-10-PCS Alphabetic Index lists Aquapheresis under code 6A550Z3, Pheresis of Plasma, Single, billable on inpatient claims in fiscal year 2027.
What do the characters in 6A550Z3 mean?
The code breaks down character by character: the 1st character 6 is the Section (Extracorporeal or Systemic Therapies); the 2nd character A is the Body System (Physiological Systems); the 3rd character 5 is the Operation (Pheresis); the 4th character 5 is the BodySystem (Circulatory); the 5th character 0 is the Duration (Single); the 6th character Z is the Qualifier (No Qualifier); the 7th character 3 is the Qualifier (Plasma).
What is the ICD-9-PCS equivalent of 6A550Z3?
Under the General Equivalence Mappings, Pheresis of Plasma, Single crosswalks to ICD-9-PCS 99.71 (Therapeutic plasmapheresis), 99.76 (Extracorporeal immunoadsorption), and 99.78 (Aquapheresis). The mapping is approximate, so confirm it fits the documentation.
