BW21ZZZComputerized Tomography (CT Scan) of Abdomen and Pelvis
- Billable / Specific Code
BW21ZZZ is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Abdomen and Pelvis. 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. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Computerized tomography (CT) without 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 | W | Anatomical Regions |
| 3 | Type | 2 | Computerized Tomography (CT Scan) |
| 4 | BodyPart | 1 | Abdomen and Pelvis |
| 5 | Contrast | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2026 ICD-10-PCS Alphabetic Index entries lead to BW21ZZZ:
Clinical Classification (CCSR)
AHRQ groups BW21ZZZ into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for BW21ZZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About BW21ZZZ
Is BW21ZZZ a billable code?
Yes. BW21ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Abdomen and Pelvis on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in BW21ZZZ mean?
BW21ZZZ breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character W is the Body System (Anatomical Regions); the 3rd character 2 is the Type (Computerized Tomography (CT Scan)); the 4th character 1 is the BodyPart (Abdomen and Pelvis); 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 BW21ZZZ?
Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Abdomen and Pelvis crosswalks to ICD-9-PCS 88.38. The mapping is approximate, so confirm it fits the documentation.
