0QSF05Z
Reposition Left Patella with External Fixation Device, Open Approach
Reposition Left Patella with Ext Fix, Open Approach
Axis Breakdown
Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.
| Position | Value | Meaning |
|---|---|---|
| 1 | Section0 | Medical and Surgical |
| 2 | Body SystemQ | Lower Bones |
| 3 | Root OperationS | Reposition Moving to its normal location, or other suitable location, all or a portion of a body part |
| 4 | Body PartF | Patella, Left |
| 5 | Approach0 | Open |
| 6 | Device5 | External Fixation Device |
| 7 | QualifierZ | No Qualifier |
Potential MS-DRG Relationships (FY2026)
The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 11 MS-DRGs:
- MDC 08 — : DRG 485, DRG 486, DRG 487
- MDC 08 — Knee Procedures without Principal Diagnosis of Infection: DRG 488, DRG 489
- MDC 21 — Other O.R. Procedures for Injuries: DRG 907, DRG 908, DRG 909
- MDC 24 — Other O.R. Procedures for Multiple Significant Trauma: DRG 957, DRG 958, DRG 959
From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.
Related Codes
Same operation — other Body Part
Same table and root operation, differing only in the body part character.
0QS905Z — Reposition Left Femoral Shaft with External Fixation Device, Open Approach, 0QSB05Z — Reposition Right Lower Femur with External Fixation Device, Open Approach, 0QSC05Z — Reposition Left Lower Femur with External Fixation Device, Open Approach, 0QSD05Z — Reposition Right Patella with External Fixation Device, Open Approach, 0QSG05Z — Reposition Right Tibia with External Fixation Device, Open Approach, 0QSH05Z — Reposition Left Tibia with External Fixation Device, Open Approach, 0QSJ05Z — Reposition Right Fibula with External Fixation Device, Open Approach, 0QSK05Z — Reposition Left Fibula with External Fixation Device, Open Approach, +11 more
Same operation — other Approach
Same table and root operation, differing only in the approach character.
0QSF35Z — Reposition Left Patella with External Fixation Device, Percutaneous Approach, 0QSF45Z — Reposition Left Patella with External Fixation Device, Percutaneous Endoscopic Approach
Same operation — other Device
Same table and root operation, differing only in the device character.
0QSF04Z — Reposition Left Patella with Internal Fixation Device, Open Approach, 0QSF0ZZ — Reposition Left Patella, Open Approach
Contextual Map
Every relationship of 0QSF05Z in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
PCS table
- 0QS[PCS table]
- [object Object] — Section: [object Object] [Section]: “[object Object]”
- [object Object] — Body System: [object Object] [Body System]: “[object Object]”
- [object Object] — Operation: [object Object] [Operation]: “[object Object]”
MS-DRG participation (11)
- DRG 485 — KNEE PROCEDURES WITH PRINCIPAL DIAGNOSIS OF INFECTION WITH MCC [MS-DRG]
- DRG 486 — KNEE PROCEDURES WITH PRINCIPAL DIAGNOSIS OF INFECTION WITH CC [MS-DRG]
- DRG 487 — KNEE PROCEDURES WITH PRINCIPAL DIAGNOSIS OF INFECTION WITHOUT CC/MCC [MS-DRG]
- DRG 488 — KNEE PROCEDURES WITHOUT PRINCIPAL DIAGNOSIS OF INFECTION WITH CC/MCC [MS-DRG]: “KNEE PROCEDURES WITHOUT PRINCIPAL DIAGNOSIS OF INFECTION WITH CC/MCC — Knee Procedures without Principal Diagnosis of Infection (MDC 08)”
- DRG 489 — KNEE PROCEDURES WITHOUT PRINCIPAL DIAGNOSIS OF INFECTION WITHOUT CC/MCC [MS-DRG]: “KNEE PROCEDURES WITHOUT PRINCIPAL DIAGNOSIS OF INFECTION WITHOUT CC/MCC — Knee Procedures without Principal Diagnosis of Infection (MDC 08)”
- DRG 907 — OTHER O.R. PROCEDURES FOR INJURIES WITH MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITH MCC — Other O.R. Procedures for Injuries (MDC 21)”
- DRG 908 — OTHER O.R. PROCEDURES FOR INJURIES WITH CC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITH CC — Other O.R. Procedures for Injuries (MDC 21)”
- DRG 909 — OTHER O.R. PROCEDURES FOR INJURIES WITHOUT CC/MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITHOUT CC/MCC — Other O.R. Procedures for Injuries (MDC 21)”
- and 3 more
MDC crossing · diagnoses (31735)
- MDC 08 — Diseases and Disorders of the Musculoskeletal System and Connective Tissue [MDC crossing]: “Diseases and Disorders of the Musculoskeletal System and Connective Tissue — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
- MDC 21 — Injuries, Poisonings and Toxic Effects of Drugs [MDC crossing]: “Injuries, Poisonings and Toxic Effects of Drugs — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
- A02.23 — Salmonella arthritis [Same-MDC diagnosis]: “Salmonella arthritis — grouped in MDC 08, the diagnosis side of this code's crossing.” · check together
- A02.24 — Salmonella osteomyelitis [Same-MDC diagnosis]: “Salmonella osteomyelitis — grouped in MDC 08, the diagnosis side of this code's crossing.” · check together
- A18.01 — Tuberculosis of spine [Same-MDC diagnosis]: “Tuberculosis of spine — grouped in MDC 08, the diagnosis side of this code's crossing.” · check together
- A18.02 — Tuberculous arthritis of other joints [Same-MDC diagnosis]: “Tuberculous arthritis of other joints — grouped in MDC 08, the diagnosis side of this code's crossing.” · check together
- A18.03 — Tuberculosis of other bones [Same-MDC diagnosis]: “Tuberculosis of other bones — grouped in MDC 08, the diagnosis side of this code's crossing.” · check together
- and 31730 more
Nearest codes
- 0QS205Z — Reposition Right Pelvic Bone with External Fixation Device, Open Approach [One axis away]
- 0QS305Z — Reposition Left Pelvic Bone with External Fixation Device, Open Approach [One axis away]
- 0QS605Z — Reposition Right Upper Femur with External Fixation Device, Open Approach [One axis away]
- 0QS705Z — Reposition Left Upper Femur with External Fixation Device, Open Approach [One axis away]
- 0QS805Z — Reposition Right Femoral Shaft with External Fixation Device, Open Approach [One axis away]
- 0QS905Z — Reposition Left Femoral Shaft with External Fixation Device, Open Approach [One axis away]
- 0QSB05Z — Reposition Right Lower Femur with External Fixation Device, Open Approach [One axis away]
- 0QSC05Z — Reposition Left Lower Femur with External Fixation Device, Open Approach [One axis away]
Change history
No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.