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ICD-10-PCS 2027 procedure code

0QSN052Reposition Right Metatarsal, Sesamoid Bone(s) 1st Toe, with External Fixation Device, Open Approach

✓ Valid for 2027O.R. procedure

Short description: Reposition R Metatarsal, Sesamd Bn, w Ext Fix, Open

Code last changed in FY2018 (effective October 1, 2017). Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0QSN052

0QSN052 is the ICD-10-PCS code for a reposition procedure on the right metatarsal using an open approach with external fixation device (qualifier: sesamoid bone(s) 1st toe). 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 application of external fixator device, tarsals and metatarsals and open reduction of fracture without internal fixation, tarsals and metatarsals, the ICD-9-CM procedure titles it maps to (78.18 and 79.27).

For a different body part, codes include 0QSP052 (left metatarsal).

The same procedure with a different approach is coded 0QSN352 (percutaneous) and 0QSN452 (percutaneous endoscopic).

With a different device, use 0QSN042 (internal fixation device) and 0QSN0Z2 (no device).

It is an operating-room procedure in the MS-DRG logic for DRG 503 (Foot Procedures with MCC), DRG 504 (Foot Procedures with CC), DRG 505 (Foot Procedures 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 “Foot Procedures”, “Other O.R. Procedures for Injuries” and “Other O.R. Procedures for Multiple Significant Trauma”.

It was added in FY2018, effective October 1, 2017.

What each character means

1. Section
0Medical and Surgical
2. Body System
QLower Bones
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
NMetatarsal, 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
2Sesamoid Bone(s) 1st Toe

Other versions of this procedure

Different body part

Different qualifier

MS-DRG v44.0 grouping

All DRGs →

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

MDC 08 · Diseases and Disorders of the Musculoskeletal System and Connective Tissue · Foot Procedures

ICD-9-CM equivalent

Converter →
  • 78.18Application of external fixator device, tarsals and metatarsalsapproximate, combination
  • 79.27Open reduction of fracture without internal fixation, tarsals and metatarsalsapproximate, combination

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
  • FY2018 (effective 10/1/2017): Added
  • No changes since FY2018.

Common questions about 0QSN052

Is 0QSN052 a valid ICD-10-PCS code for 2027?

Yes. 0QSN052 is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0QSN052 an O.R. procedure?

Yes. 0QSN052 is an O.R. procedure in MS-DRG v44.0.

What DRG does 0QSN052 group to?

Depending on the principal diagnosis, 0QSN052 can group to MS-DRG 503, MS-DRG 504, MS-DRG 505, MS-DRG 907, MS-DRG 908 and MS-DRG 909.

What is the ICD-9 procedure code for 0QSN052?

The CMS GEMs map 0QSN052 to ICD-9-CM 78.18 (Application of external fixator device, tarsals and metatarsals) and 79.27 (Open reduction of fracture without internal fixation, tarsals and metatarsals).