BW2900ZComputerized Tomography (CT Scan) of Head and Neck using High Osmolar Contrast, Unenhanced and Enhanced

  • Billable / Specific Code
ICD-10-PCS BW2900Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

BW2900Z is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Head and Neck 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
BW2900Z
Billable Status
Yes — Valid for Submission
Code Describes
Computerized Tomography (CT Scan) of Head and Neck using High Osmolar Contrast, Unenhanced and Enhanced
Parent Code
Short Description
CT Scan of Head & Neck using H Osm Contrast, Unenh, Enhance

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.

PositionDesignationValueMeaning
1SectionBImaging
2Body SystemWAnatomical Regions
3Type2Computerized Tomography (CT Scan)
4BodyPart9Head and Neck
5Contrast0High Osmolar
6Qualifier0Unenhanced and Enhanced
7QualifierZNone

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for BW2900Z under the General Equivalence Mappings.

87.04
Approximate match.

Similar Procedure Codes

Questions About BW2900Z

Is BW2900Z a billable code?

Yes. BW2900Z is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Head and Neck using High Osmolar Contrast, Unenhanced and Enhanced on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in BW2900Z mean?

BW2900Z breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character W is the Body System (Anatomical Regions); the 3rd character 2 is the Type (Computerized Tomography (CT Scan)); the 4th character 9 is the BodyPart (Head and Neck); 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 BW2900Z?

Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Head and Neck using High Osmolar Contrast, Unenhanced and Enhanced crosswalks to ICD-9-PCS 87.04. The mapping is approximate, so confirm it fits the documentation.