BN2F1ZZComputerized Tomography (CT Scan) of Temporal Bones using Low Osmolar Contrast

Imaging›Skull and Facial Bones›Computerized Tomography (CT Scan)

Billable / Specific Code

ICD-10-PCS BN2F1ZZ

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

BN2F1ZZ is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Temporal Bones 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

ICD-10-PCS Code

BN2F1ZZ

Billable Status

Yes — Valid for Submission

Code Describes

Computerized Tomography (CT Scan) of Temporal Bones using Low Osmolar Contrast

Parent Code

BN2

Short Description

CT Scan of Temporal Bone using L Osm Contrast

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	N	Skull and Facial Bones
3	Type	2	Computerized Tomography (CT Scan)
4	BodyPart	F	Temporal Bones
5	Contrast	1	Low Osmolar
6	Qualifier	Z	None
7	Qualifier	Z	None

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for BN2F1ZZ under the General Equivalence Mappings.

87.03

Approximate match.

Similar Procedure Codes

Questions About BN2F1ZZ

Is BN2F1ZZ a billable code?

Yes. BN2F1ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Temporal Bones using Low Osmolar Contrast on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in BN2F1ZZ mean?

BN2F1ZZ breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character N is the Body System (Skull and Facial Bones); the 3rd character 2 is the Type (Computerized Tomography (CT Scan)); the 4th character F is the BodyPart (Temporal Bones); 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 BN2F1ZZ?

Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Temporal Bones using Low Osmolar Contrast crosswalks to ICD-9-PCS 87.03. The mapping is approximate, so confirm it fits the documentation.