BN291ZZComputerized Tomography (CT Scan) of Bilateral Temporomandibular Joints using Low Osmolar Contrast
- Billable / Specific Code
BN291ZZ is a billable ICD-10-PCS procedure code for Computerized Tomography (CT Scan) of Bilateral Temporomandibular Joints 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 | N | Skull and Facial Bones |
| 3 | Type | 2 | Computerized Tomography (CT Scan) |
| 4 | BodyPart | 9 | Temporomandibular Joints, 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 BN291ZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About BN291ZZ
Is BN291ZZ a billable code?
Yes. BN291ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Computerized Tomography (CT Scan) of Bilateral Temporomandibular Joints using Low Osmolar Contrast on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in BN291ZZ mean?
BN291ZZ 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 9 is the BodyPart (Temporomandibular Joints, 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 BN291ZZ?
Under the General Equivalence Mappings, Computerized Tomography (CT Scan) of Bilateral Temporomandibular Joints using Low Osmolar Contrast crosswalks to ICD-9-PCS 87.03. The mapping is approximate, so confirm it fits the documentation.
