B2131ZZFluoroscopy of Multiple Coronary Artery Bypass Grafts using Low Osmolar Contrast
- Billable / Specific Code
B2131ZZ is a billable ICD-10-PCS procedure code for Fluoroscopy of Multiple Coronary Artery Bypass Grafts using Low Osmolar Contrast. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 11 MS-DRGs. The root operation Fluoroscopy involves single plane or bi-plane real time display of an image developed from the capture of external ionizing radiation on a fluorescent screen. The image may also be stored by either digital or analog means. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Cardiac and coronary fluoroscopy.
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 | 2 | Heart |
| 3 | Type | 1 | Fluoroscopy |
| 4 | BodyPart | 3 | Coronary Artery Bypass Grafts, Multiple |
| 5 | Contrast | 1 | Low Osmolar |
| 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 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 B2131ZZ
Is B2131ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Fluoroscopy of Multiple Coronary Artery Bypass Grafts using Low Osmolar Contrast on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in B2131ZZ mean?
The code breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character 2 is the Body System (Heart); the 3rd character 1 is the Type (Fluoroscopy); the 4th character 3 is the BodyPart (Coronary Artery Bypass Grafts, Multiple); the 5th character 1 is the Contrast (Low Osmolar); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What MS-DRG does B2131ZZ group to?
On an inpatient stay, Fluoroscopy of Multiple Coronary Artery Bypass Grafts using Low Osmolar Contrast maps to MS-DRGs 212, 216, 217, 218, 233, 234, 275, 276, 277, 286, 287, with relative weights from 1.0701 to 10.8741. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of B2131ZZ?
Under the General Equivalence Mappings, Fluoroscopy of Multiple Coronary Artery Bypass Grafts using Low Osmolar Contrast crosswalks to ICD-9-PCS 88.55 (Coronary arteriography using a single catheter) and 88.56 (Coronary arteriography using two catheters). The mapping is approximate, so confirm it fits the documentation.
