B420ZZZComputerized Tomography (CT Scan) of Abdominal Aorta
- Billable / Specific Code
B420ZZZ is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Abdominal Aorta. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). 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.
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 | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for B420ZZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About B420ZZZ
Is B420ZZZ a billable code?
Yes. B420ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Abdominal Aorta on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in B420ZZZ mean?
B420ZZZ 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 Z is the Contrast (None); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of B420ZZZ?
Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Abdominal Aorta crosswalks to ICD-9-PCS 88.38. The mapping is approximate, so confirm it fits the documentation.
