079K4ZXDrainage of Thoracic Duct, Percutaneous Endoscopic Approach, Diagnostic
- Billable / Specific Code
079K4ZX is a billable ICD-10-PCS procedure code for Drainage of Thoracic Duct, Percutaneous Endoscopic Approach, Diagnostic. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 18 MS-DRGs. The root operation Drainage involves taking or letting out fluids and/or gases from a 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 | 0 | Medical and Surgical |
| 2 | Body System | 7 | Lymphatic and Hemic Systems |
| 3 | Operation | 9 | Drainage |
| 4 | BodyPart | K | Thoracic Duct |
| 5 | Approach | 4 | Percutaneous Endoscopic |
| 6 | Device | Z | No Device |
| 7 | Qualifier | X | Diagnostic |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 079K4ZX under the General Equivalence Mappings.
Code History
- 079K8ZX — Drainage of Thoracic Duct, Endo Approach, Diagn
Similar Procedure Codes
Questions About 079K4ZX
Is 079K4ZX a billable code?
Yes. 079K4ZX is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Thoracic Duct, Percutaneous Endoscopic Approach, Diagnostic on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 079K4ZX mean?
079K4ZX breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character 7 is the Body System (Lymphatic and Hemic Systems); the 3rd character 9 is the Operation (Drainage); the 4th character K is the BodyPart (Thoracic Duct); the 5th character 4 is the Approach (Percutaneous Endoscopic); the 6th character Z is the Device (No Device); the 7th character X is the Qualifier (Diagnostic).
What MS-DRG does 079K4ZX group to?
On an inpatient stay, Drainage of Thoracic Duct, Percutaneous Endoscopic Approach, Diagnostic maps to MS-DRGs 040, 041, 042, 166, 167, 168, 515, 516, 517, 579, 580, 581, 628, 629, 630, 802, 803, 804, with relative weights from 1.3560 to 3.9841. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 079K4ZX?
Under the General Equivalence Mappings, Drainage of Thoracic Duct, Percutaneous Endoscopic Approach, Diagnostic crosswalks to ICD-9-PCS 40.11. The mapping is approximate, so confirm it fits the documentation.
