BB271ZZComputerized Tomography (CT Scan) of Right Tracheobronchial Tree using Low Osmolar Contrast
- Billable / Specific Code
BB271ZZ is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Right Tracheobronchial Tree using Low Osmolar 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 | B | Respiratory System |
| 3 | Type | 2 | Computerized Tomography (CT Scan) |
| 4 | BodyPart | 7 | Tracheobronchial Tree, Right |
| 5 | Contrast | 1 | Low Osmolar |
| 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 BB271ZZ
Is BB271ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Right Tracheobronchial Tree using Low Osmolar Contrast on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in BB271ZZ mean?
The code breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character B is the Body System (Respiratory System); the 3rd character 2 is the Type (Computerized Tomography (CT Scan)); the 4th character 7 is the BodyPart (Tracheobronchial Tree, Right); 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 is the ICD-9-PCS equivalent of BB271ZZ?
Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Right Tracheobronchial Tree using Low Osmolar Contrast crosswalks to ICD-9-PCS 88.38 (Other computerized axial tomography). The mapping is approximate, so confirm it fits the documentation.