B549ZZZ is a billable ICD-10-PCS procedure code for Ultrasonography of Inferior Vena Cava. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). The root operation Ultrasonography involves real time display of images of anatomy or flow information developed from the capture of reflected and attenuated high frequency sound waves.
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 | 5 | Veins |
| 3 | Type | 4 | Ultrasonography |
| 4 | BodyPart | 9 | Inferior Vena Cava |
| 5 | Contrast | Z | None |
| 6 | Qualifier | Z | None |
| 7 | Qualifier | Z | None |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for B549ZZZ under the General Equivalence Mappings.
Similar Procedure Codes
Questions About B549ZZZ
Is B549ZZZ a billable code?
Yes. B549ZZZ is a complete seven-character ICD-10-PCS code, specific enough to report Ultrasonography of Inferior Vena Cava on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in B549ZZZ mean?
B549ZZZ breaks down character by character: the 1st character B is the Section (Imaging); the 2nd character 5 is the Body System (Veins); the 3rd character 4 is the Type (Ultrasonography); the 4th character 9 is the BodyPart (Inferior Vena Cava); 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 B549ZZZ?
Under the General Equivalence Mappings, Ultrasonography of Inferior Vena Cava crosswalks to ICD-9-PCS 88.77. The mapping is approximate, so confirm it fits the documentation.
