BN04ZZZPlain Radiography of Nasal Bones
- Billable / Specific Code
BN04ZZZ is a billable ICD-10-PCS procedure code for Plain Radiography of Nasal Bones. 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 | 4 | Nasal Bones |
| 5 | Contrast | Z | None |
| 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 nasal bone, open the FY 2027 ICD-10-PCS Alphabetic Index at Plain Radiography, then the subterms Bone, Nasal. The entry lists BN04ZZZ directly as a complete, billable code.
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.
Questions About BN04ZZZ
Is BN04ZZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Plain Radiography of Nasal Bones on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for plain radiography of the nasal bone?
The FY 2027 ICD-10-PCS Alphabetic Index entry Plain Radiography, Bone, Nasal is a direct entry for BN04ZZZ, Plain Radiography of Nasal Bones, billable on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in BN04ZZZ 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 4 is the BodyPart (Nasal Bones); the 5th character Z is the Contrast (None); the 6th character Z is the Qualifier (None); the 7th character Z is the Qualifier (None).
What is the ICD-9-PCS equivalent of BN04ZZZ?
Under the General Equivalence Mappings, Plain Radiography of Nasal Bones crosswalks to ICD-9-PCS 87.16 (Other x-ray of facial bones). The mapping is approximate, so confirm it fits the documentation.
