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ICD-10-PCS 2027 procedure code

0SSF05ZReposition Right Ankle Joint with External Fixation Device, Open Approach

✓ Valid for 2027O.R. procedure

Short description: Reposition Right Ankle Joint with Ext Fix, Open Approach

Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0SSF05Z

0SSF05Z is the ICD-10-PCS code for a reposition procedure on the right ankle joint using an open approach with external fixation device. In ICD-10-PCS, reposition means moving to its normal location, or other suitable location, all or a portion of a body part.

In plain terms, this corresponds to open reduction of dislocation of ankle, the ICD-9-CM procedure title it maps to (79.87).

For a different body part, codes include 0SS905Z (right hip joint), 0SSB05Z (left hip joint), 0SSC05Z (right knee joint), 0SSD05Z (left knee joint), 0SSG05Z (left ankle joint), 0SSH05Z (right tarsal joint) and 7 more.

The same procedure with a different approach is coded 0SSF35Z (percutaneous), 0SSF45Z (percutaneous endoscopic) and 0SSFX5Z (external).

With a different device, use 0SSF04Z (internal fixation device) and 0SSF0ZZ (no device).

It is an operating-room procedure in the MS-DRG logic for DRG 492 (Lower Extremity and Humerus Procedures Except Hip, Foot and Femur with MCC or Insertion of Antibiotic-eluting Bone Void Filler), DRG 493 (Lower Extremity and Humerus Procedures Except Hip, Foot and Femur with CC), DRG 494 (Lower Extremity and Humerus Procedures Except Hip, Foot and Femur without CC/MCC), DRG 907 (Other O.R. Procedures for Injuries with MCC), DRG 908 (Other O.R. Procedures for Injuries with CC) and DRG 909 (Other O.R. Procedures for Injuries without CC/MCC), under the surgical categories “Lower Extremity and Humerus Procedures Except Hip, Foot and Femur”, “Other O.R. Procedures for Injuries” and “Other O.R. Procedures for Multiple Significant Trauma”.

It has been valid since ICD-10-PCS took effect on October 1, 2015.

What each character means

1. Section
0Medical and Surgical
2. Body System
SLower Joints
3. Operation
SReposition

Moving to its normal location, or other suitable location, all or a portion of a body part

The body part is moved to a new location from an abnormal location, or from a normal location where it is not functioning correctly. The body part may or may not be cut out or off to be moved to the new location

Includes: Reposition of undescended testicle, fracture reduction

4. Body Part
FAnkle Joint, Right
5. Approach
0Open

Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

6. Device
5External Fixation Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

MS-DRG v44.0 grouping

All DRGs →

Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.

ICD-9-CM equivalent

Converter →
  • 79.87Open reduction of dislocation of ankleapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about 0SSF05Z

Is 0SSF05Z a valid ICD-10-PCS code for 2027?

Yes. 0SSF05Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0SSF05Z an O.R. procedure?

Yes. 0SSF05Z is an O.R. procedure in MS-DRG v44.0.

What DRG does 0SSF05Z group to?

Depending on the principal diagnosis, 0SSF05Z can group to MS-DRG 492, MS-DRG 493, MS-DRG 494, MS-DRG 907, MS-DRG 908 and MS-DRG 909.

What is the ICD-9 procedure code for 0SSF05Z?

The CMS GEMs map 0SSF05Z to ICD-9-CM 79.87 (Open reduction of dislocation of ankle).