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ICD-10-PCS/0S9/0S9D00Z
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.

PositionValueMeaning
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:

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

Change history

No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.