0RGX04ZFusion of Left Finger Phalangeal Joint with Internal Fixation Device, Open Approach
- Billable / Specific Code
0RGX04Z is a billable ICD-10-PCS procedure code for Fusion of Left Finger Phalangeal Joint with Internal Fixation Device, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 6 MS-DRGs. The root operation Fusion involves joining together portions of an articular body part rendering the articular body part immobile. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Joint fusion (excluding spine).
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 | R | Upper Joints |
| 3 | Operation | G | Fusion |
| 4 | BodyPart | X | Finger Phalangeal Joint, Left |
| 5 | Approach | 0 | Open |
| 6 | Device | 4 | Internal Fixation Device |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code fusion of the left finger phalangeal, open the FY 2027 ICD-10-PCS Alphabetic Index at Fusion, then the subterms Finger Phalangeal, Left. The index leads to table 0RG, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0RGX04Z.
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.
Code History
- 0RGX03Z — Fusion L Finger Phalanx Jt w Int Fix Sustn Comprs, Open
Similar Procedure Codes
Questions About 0RGX04Z
Is 0RGX04Z a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Fusion of Left Finger Phalangeal Joint with Internal Fixation Device, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0RGX04Z mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character R is the Body System (Upper Joints); the 3rd character G is the Operation (Fusion); the 4th character X is the BodyPart (Finger Phalangeal Joint, Left); the 5th character 0 is the Approach (Open); the 6th character 4 is the Device (Internal Fixation Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0RGX04Z group to?
On an inpatient stay, Fusion of Left Finger Phalangeal Joint with Internal Fixation Device, Open Approach maps to MS-DRGs 513, 514, 906, 957, 958, 959, with relative weights from 1.0197 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0RGX04Z?
Under the General Equivalence Mappings, Fusion of Left Finger Phalangeal Joint with Internal Fixation Device, Open Approach crosswalks to ICD-9-PCS 81.28 (Interphalangeal fusion). The mapping is approximate, so confirm it fits the documentation.
