X27439BDilation of Left Pulmonary Artery with Expandable Intraluminal Device, Percutaneous Approach, New Technology Group 11
- Billable / Specific Code
- New for FY 2026
X27439B is a billable ICD-10-PCS procedure code for Dilation of Left Pulmonary Artery with Expandable Intraluminal Device, Percutaneous Approach, New Technology Group 11. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 252, 253, 254. The root operation Dilation involves expanding an orifice or the lumen of a tubular body part.
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 | X | New Technology |
| 2 | Body System | 2 | Cardiovascular System |
| 3 | Operation | 7 | Dilation |
| 4 | BodyPart | 4 | Pulmonary Artery, Left |
| 5 | Approach | 3 | Percutaneous |
| 6 | Device/Substance/Technology | 9 | Intraluminal Device, Expandable |
| 7 | Qualifier | B | New Technology Group 11 |
Code History
- 027R3DZ — Dilation of L Pulm Art with Intralum Dev, Perc Approach
Questions About X27439B
Is X27439B a billable code?
Yes. X27439B is a complete seven-character ICD-10-PCS code, specific enough to report Dilation of Left Pulmonary Artery with Expandable Intraluminal Device, Percutaneous Approach, New Technology Group 11 on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in X27439B mean?
X27439B breaks down character by character: the 1st character X is the Section (New Technology); the 2nd character 2 is the Body System (Cardiovascular System); the 3rd character 7 is the Operation (Dilation); the 4th character 4 is the BodyPart (Pulmonary Artery, Left); the 5th character 3 is the Approach (Percutaneous); the 6th character 9 is the Device/Substance/Technology (Intraluminal Device, Expandable); the 7th character B is the Qualifier (New Technology Group 11).
What MS-DRG does X27439B group to?
On an inpatient stay, Dilation of Left Pulmonary Artery with Expandable Intraluminal Device, Percutaneous Approach, New Technology Group 11 maps to MS-DRGs 252, 253, 254, with relative weights from 1.7817 to 3.4883. The MS-DRG sets the fixed Medicare payment for the stay.
