0SGN04ZFusion of Left Metatarsal-Phalangeal Joint with Internal Fixation Device, Open Approach
- Billable / Specific Code
0SGN04Z is a billable ICD-10-PCS procedure code for Fusion of Left Metatarsal-Phalangeal Joint with Internal Fixation Device, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 9 MS-DRGs. The root operation Fusion involves joining together portions of an articular body part rendering the articular body part immobile.
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 | S | Lower Joints |
| 3 | Operation | G | Fusion |
| 4 | BodyPart | N | Metatarsal-Phalangeal Joint, Left |
| 5 | Approach | 0 | Open |
| 6 | Device | 4 | Internal Fixation Device |
| 7 | Qualifier | Z | No Qualifier |
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for 0SGN04Z under the General Equivalence Mappings.
Code History
- 0SGN03Z — Fusion L Metatarsophal Jt w Int Fix Sustn Comprs, Open
Similar Procedure Codes
Questions About 0SGN04Z
Is 0SGN04Z a billable code?
Yes. 0SGN04Z is a complete seven-character ICD-10-PCS code, specific enough to report Fusion of Left Metatarsal-Phalangeal Joint with Internal Fixation Device, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.
What do the characters in 0SGN04Z mean?
0SGN04Z breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character S is the Body System (Lower Joints); the 3rd character G is the Operation (Fusion); the 4th character N is the BodyPart (Metatarsal-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 0SGN04Z group to?
On an inpatient stay, Fusion of Left Metatarsal-Phalangeal Joint with Internal Fixation Device, Open Approach maps to MS-DRGs 503, 504, 505, 907, 908, 909, 957, 958, 959, with relative weights from 1.3127 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0SGN04Z?
Under the General Equivalence Mappings, Fusion of Left Metatarsal-Phalangeal Joint with Internal Fixation Device, Open Approach crosswalks to ICD-9-PCS 81.16. The mapping is approximate, so confirm it fits the documentation.
