BN091ZZPlain Radiography of Bilateral Temporomandibular Joints using Low Osmolar Contrast
- Billable / Specific Code
BN091ZZ is a billable ICD-10-PCS procedure code for Plain Radiography of Bilateral Temporomandibular Joints using Low Osmolar Contrast. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Plain Radiography involves planar display of an image developed from the capture of external ionizing radiation on photographic or photoconductive plate. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Plain radiography.
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 | 0 | Plain Radiography |
| 4 | BodyPart | 9 | Temporomandibular Joints, Bilateral |
| 5 | Contrast | 1 | Low Osmolar |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code plain radiography of the bilateral temporomandibular joint, open the FY 2027 ICD-10-PCS Alphabetic Index at Plain Radiography, then the subterms Joint, Temporomandibular, Bilateral. The index leads to table BN0, where the contrast, qualifier and qualifier values shown in the breakdown above complete the seven-character code BN091ZZ.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About BN091ZZ
Is BN091ZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Plain Radiography of Bilateral Temporomandibular Joints using Low Osmolar Contrast on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in BN091ZZ mean?
The code 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 0 is the Type (Plain Radiography); 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 BN091ZZ?
Under the General Equivalence Mappings, Plain Radiography of Bilateral Temporomandibular Joints using Low Osmolar Contrast crosswalks to ICD-9-PCS 87.13 (Temporomandibular contrast arthrogram). The mapping is approximate, so confirm it fits the documentation.
