B420YZZComputerized Tomography (CT Scan) of Abdominal Aorta using Other Contrast
- Billable / Specific Code
B420YZZ is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Abdominal Aorta using Other Contrast. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Computerized Tomography (CT Scan) involves computer reformatted digital display of multiplanar images developed from the capture of multiple exposures of external ionizing radiation. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Computerized tomography (CT) with contrast.
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 | B | Imaging |
| 2 | Body System | 4 | Lower Arteries |
| 3 | Type | 2 | Computerized Tomography (CT Scan) |
| 4 | BodyPart | 0 | Abdominal Aorta |
| 5 | Contrast | Y | Other Contrast |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this 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 B420YZZ
Is B420YZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Abdominal Aorta using Other Contrast on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in B420YZZ mean?
The code breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character 4 is the Body System (Lower Arteries); the 3rd character 2 is the Type (Computerized Tomography (CT Scan)); the 4th character 0 is the BodyPart (Abdominal Aorta); the 5th character Y is the Contrast (Other Contrast); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of B420YZZ?
Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Abdominal Aorta using Other Contrast crosswalks to ICD-9-PCS 88.38 (Other computerized axial tomography). The mapping is approximate, so confirm it fits the documentation.