B42GZ2ZComputerized Tomography (CT Scan) of Left Lower Extremity Arteries using Intravascular Optical Coherence
- Billable / Specific Code
B42GZ2Z is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Left Lower Extremity Arteries using Intravascular Optical Coherence. 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. The Alphabetic Index lists this code under Angiography. 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 | 4 | Lower Arteries |
| 3 | Type | 2 | Computerized Tomography (CT Scan) |
| 4 | BodyPart | G | Lower Extremity Arteries, Left |
| 5 | Contrast | Z | None |
| 6 | Qualifier | 2 | Intravascular Optical Coherence |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
The FY 2027 ICD-10-PCS Alphabetic Index refers to B42GZ2Z as Angiography. These index entries lead to this code:
To code angiography, open the FY 2027 ICD-10-PCS Alphabetic Index at Angiography. The entry lists B42GZ2Z 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 B42GZ2Z
Is B42GZ2Z a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Left Lower Extremity Arteries using Intravascular Optical Coherence on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for angiography?
The ICD-10-PCS Alphabetic Index lists Angiography under code B42GZ2Z, Computerized Tomography (CT Scan) of Left Lower Extremity Arteries using Intravascular Optical Coherence, billable on inpatient claims in fiscal year 2027.
What do the characters in B42GZ2Z 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 G is the BodyPart (Lower Extremity Arteries, Left); the 5th character Z is the Contrast (None); the 6th character 2 is the Qualifier (Intravascular Optical Coherence); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of B42GZ2Z?
Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Left Lower Extremity Arteries using Intravascular Optical Coherence crosswalks to ICD-9-PCS 38.25 (Intravascular imaging of non-coronary vessel(s) by optical coherence tomography [OCT]). The mapping is approximate, so confirm it fits the documentation.
