Inpatient Procedure Code
0S9D00Z
Drainage of Left Knee Joint with Drainage Device, Open Approach
Drainage of Left Knee Joint with Drain Dev, 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 SystemS | Lower Joints |
| 3 | Root Operation9 | Drainage Taking or letting out fluids and/or gases from a body part |
| 4 | Body PartD | Knee Joint, Left |
| 5 | Approach0 | Open |
| 6 | Device0 | Drainage 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 10 — Other Endocrine, Nutritional and Metabolic O.R. Procedures: DRG 628, DRG 629, DRG 630
- MDC 21 — Other O.R. Procedures for Injuries: DRG 907, DRG 908, DRG 909
From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.
Contextual Map
Every relationship of 0S9D00Z 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
- 0S9[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 628 — OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITH MCC [MS-DRG]: “OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITH MCC — Other Endocrine, Nutritional and Metabolic O.R. Procedures (MDC 10)”
- DRG 629 — OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITH CC [MS-DRG]: “OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITH CC — Other Endocrine, Nutritional and Metabolic O.R. Procedures (MDC 10)”
- DRG 630 — OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITHOUT CC/MCC [MS-DRG]: “OTHER ENDOCRINE, NUTRITIONAL AND METABOLIC O.R. PROCEDURES WITHOUT CC/MCC — Other Endocrine, Nutritional and Metabolic O.R. Procedures (MDC 10)”
- and 3 more
MDC crossing · diagnoses (25974)
- 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 10 — Endocrine, Nutritional and Metabolic Diseases and Disorders [MDC crossing]: “Endocrine, Nutritional and Metabolic Diseases and Disorders — 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 25969 more
Nearest codes
- 0S9000Z — Drainage of Lumbar Vertebral Joint with Drainage Device, Open Approach [One axis away]
- 0S9200Z — Drainage of Lumbar Vertebral Disc with Drainage Device, Open Approach [One axis away]
- 0S9300Z — Drainage of Lumbosacral Joint with Drainage Device, Open Approach [One axis away]
- 0S9400Z — Drainage of Lumbosacral Disc with Drainage Device, Open Approach [One axis away]
- 0S9500Z — Drainage of Sacrococcygeal Joint with Drainage Device, Open Approach [One axis away]
- 0S9600Z — Drainage of Coccygeal Joint with Drainage Device, Open Approach [One axis away]
- 0S9700Z — Drainage of Right Sacroiliac Joint with Drainage Device, Open Approach [One axis away]
- 0S9800Z — Drainage of Left Sacroiliac Joint with Drainage Device, Open Approach [One axis away]
Change history
No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.