BB2900ZComputerized Tomography (CT Scan) of Bilateral Tracheobronchial Trees using High Osmolar Contrast, Unenhanced and Enhanced

Imaging›Respiratory System›Computerized Tomography (CT Scan)

Billable / Specific Code

ICD-10-PCS BB2900Z

CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.

BB2900Z is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Bilateral Tracheobronchial Trees using High Osmolar Contrast, Unenhanced and Enhanced. 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

ICD-10-PCS Code

BB2900Z

Billable Status

Yes — Valid for Submission

Code Describes

Computerized Tomography (CT Scan) of Bilateral Tracheobronchial Trees using High Osmolar Contrast, Unenhanced and Enhanced

Parent Code

BB2

Short Description

CT Scan B Tracheobronc Tree w H Osm Contrast, Unenh, Enhanc

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	0	High Osmolar
6	Qualifier	0	Unenhanced and Enhanced
7	Qualifier	Z	None

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for BB2900Z under the General Equivalence Mappings.

88.38

Approximate match.

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Questions About BB2900Z

Is BB2900Z a billable code?

Yes. BB2900Z is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Bilateral Tracheobronchial Trees using High Osmolar Contrast, Unenhanced and Enhanced on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in BB2900Z mean?

BB2900Z 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 0 is the Contrast (High Osmolar); the 6th character 0 is the Qualifier (Unenhanced and Enhanced); the 7th character Z is the Qualifier (None).

What is the ICD-9-PCS equivalent of BB2900Z?

Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Bilateral Tracheobronchial Trees using High Osmolar Contrast, Unenhanced and Enhanced crosswalks to ICD-9-PCS 88.38. The mapping is approximate, so confirm it fits the documentation.