BB291ZZComputerized Tomography (CT Scan) of Bilateral Tracheobronchial Trees using Low Osmolar Contrast
- Billable / Specific Code
BB291ZZ is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Bilateral Tracheobronchial Trees using Low Osmolar Contrast. 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 | B | Respiratory System |
| 3 | Type | 2 | Computerized Tomography (CT Scan) |
| 4 | BodyPart | 9 | Tracheobronchial Trees, Bilateral |
| 5 | Contrast | 1 | Low Osmolar |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for BB291ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About BB291ZZ
Is BB291ZZ a billable code?
Yes. BB291ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Bilateral Tracheobronchial Trees using Low Osmolar Contrast on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in BB291ZZ mean?
BB291ZZ 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 9 is the BodyPart (Tracheobronchial Trees, Bilateral); 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 BB291ZZ?
Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Bilateral Tracheobronchial Trees using Low Osmolar Contrast crosswalks to ICD-9-PCS 88.38. The mapping is approximate, so confirm it fits the documentation.
