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ICD-10-PCS/0M9/0M9Q40Z
Inpatient Procedure Code

0M9Q40Z

Drainage of Right Ankle Bursa and Ligament with Drainage Device, Percutaneous Endoscopic Approach

Drain R Ankle Bursa/Lig w Drain Dev, Perc Endo

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 SystemM

Bursae and Ligaments

3
Root Operation9

Drainage

Taking or letting out fluids and/or gases from a body part

4
Body PartQ

Ankle Bursa and Ligament, Right

5
Approach4

Percutaneous Endoscopic

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 6 MS-DRGs:

From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.

Contextual Map

Every relationship of 0M9Q40Z 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

  • 0M9[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

  • DRG 492 — LOWER EXTREMITY AND HUMERUS PROCEDURES EXCEPT HIP, FOOT AND FEMUR WITH MCC [MS-DRG]: “LOWER EXTREMITY AND HUMERUS PROCEDURES EXCEPT HIP, FOOT AND FEMUR WITH MCC — Lower Extremity and Humerus Procedures Except Hip, Foot and Femur (MDC 08)”
  • DRG 493 — LOWER EXTREMITY AND HUMERUS PROCEDURES EXCEPT HIP, FOOT AND FEMUR WITH CC [MS-DRG]: “LOWER EXTREMITY AND HUMERUS PROCEDURES EXCEPT HIP, FOOT AND FEMUR WITH CC — Lower Extremity and Humerus Procedures Except Hip, Foot and Femur (MDC 08)”
  • DRG 494 — LOWER EXTREMITY AND HUMERUS PROCEDURES EXCEPT HIP, FOOT AND FEMUR WITHOUT CC/MCC [MS-DRG]: “LOWER EXTREMITY AND HUMERUS PROCEDURES EXCEPT HIP, FOOT AND FEMUR WITHOUT CC/MCC — Lower Extremity and Humerus Procedures Except Hip, Foot and Femur (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)”

Nearest codes

  • 0M9040Z — Drainage of Head and Neck Bursa and Ligament with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0M9140Z — Drainage of Right Shoulder Bursa and Ligament with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0M9240Z — Drainage of Left Shoulder Bursa and Ligament with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0M9340Z — Drainage of Right Elbow Bursa and Ligament with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0M9440Z — Drainage of Left Elbow Bursa and Ligament with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0M9540Z — Drainage of Right Wrist Bursa and Ligament with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0M9640Z — Drainage of Left Wrist Bursa and Ligament with Drainage Device, Percutaneous Endoscopic Approach [One axis away]
  • 0M9740Z — Drainage of Right Hand Bursa and Ligament with Drainage Device, Percutaneous Endoscopic Approach [One axis away]

Change history

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