0S9M00ZDrainage of Right Metatarsal-Phalangeal Joint with Drainage Device, Open Approach
- Billable / Specific Code
0S9M00Z is a billable ICD-10-PCS procedure code for Drainage of Right Metatarsal-Phalangeal Joint with Drainage 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 Drainage involves taking or letting out fluids and/or gases from a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Incision and drainage of musculoskeletal tissue and joints.
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 | 9 | Drainage |
| 4 | BodyPart | M | Metatarsal-Phalangeal Joint, Right |
| 5 | Approach | 0 | Open |
| 6 | Device | 0 | Drainage 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 drainage of the right Metatarsal-Phalangeal joint, open the FY 2027 ICD-10-PCS Alphabetic Index at Drainage, then the subterms Joint, Metatarsal-Phalangeal, Right. The index leads to table 0S9, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0S9M00Z.
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.
Similar Procedure Codes
Questions About 0S9M00Z
Is 0S9M00Z a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Drainage of Right Metatarsal-Phalangeal Joint with Drainage Device, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0S9M00Z mean?
The code 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 9 is the Operation (Drainage); the 4th character M is the BodyPart (Metatarsal-Phalangeal Joint, Right); the 5th character 0 is the Approach (Open); the 6th character 0 is the Device (Drainage Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0S9M00Z group to?
On an inpatient stay, Drainage of Right Metatarsal-Phalangeal Joint with Drainage Device, Open Approach maps to MS-DRGs 503, 504, 505, 907, 908, 909, with relative weights from 1.3810 to 3.8962. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0S9M00Z?
Under the General Equivalence Mappings, Drainage of Right Metatarsal-Phalangeal Joint with Drainage Device, Open Approach crosswalks to ICD-9-PCS 80.18 (Other arthrotomy, foot and toe). The mapping is approximate, so confirm it fits the documentation.
