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ICD-10-PCS 2027 procedure code

0S9C00ZDrainage of Right Knee Joint with Drainage Device, Open Approach

✓ Valid for 2027O.R. procedure

Short description: Drainage of Right Knee Joint with Drain Dev, Open Approach

Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0S9C00Z

0S9C00Z is the ICD-10-PCS code for a drainage procedure on the right knee joint using an open approach with drainage device. In ICD-10-PCS, drainage means taking or letting out fluids and/or gases from a body part.

In plain terms, this corresponds to other arthrotomy, knee, the ICD-9-CM procedure title it maps to (80.16).

For a different body part, codes include 0S9000Z (lumbar vertebral joint), 0S9200Z (lumbar vertebral disc), 0S9300Z (lumbosacral joint), 0S9400Z (lumbosacral disc), 0S9500Z (sacrococcygeal joint), 0S9600Z (coccygeal joint) and 15 more.

The same procedure with a different approach is coded 0S9C30Z (percutaneous) and 0S9C40Z (percutaneous endoscopic).

With a different device, use 0S9C0ZZ (no device).

It is an operating-room procedure in the MS-DRG logic for DRG 400 (Knee Procedures with Principal Diagnosis of Infection), DRG 488 (Knee Procedures without Principal Diagnosis of Infection with CC/MCC), DRG 489 (Knee Procedures without Principal Diagnosis of Infection without CC/MCC), DRG 628 (Other Endocrine, Nutritional and Metabolic O.R. Procedures with MCC or Insertion of Antibiotic-eluting Bone Void Filler), DRG 629 (Other Endocrine, Nutritional and Metabolic O.R. Procedures with CC) and DRG 630 (Other Endocrine, Nutritional and Metabolic O.R. Procedures without CC/MCC), under the surgical categories “Knee Procedures with Principal Diagnosis of Infection”, “Knee Procedures without Principal Diagnosis of Infection”, “Other Endocrine, Nutritional and Metabolic O.R. Procedures” and 1 more.

It has been valid since ICD-10-PCS took effect on October 1, 2015.

What each character means

1. Section
0Medical and Surgical
2. Body System
SLower Joints
3. Operation
9Drainage

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

The qualifier DIAGNOSTIC is used to identify drainage procedures that are biopsies

Includes: Thoracentesis, incision and drainage

4. Body Part
CKnee Joint, 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
0Drainage Device

Includes: Cystostomy tube; Foley catheter; Percutaneous nephrostomy catheter; Thoracostomy tube

7. Qualifier
ZNo Qualifier

Other versions of this procedure

Different device

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 · Knee Procedures with Principal Diagnosis of Infection

MDC 08 · Diseases and Disorders of the Musculoskeletal System and Connective Tissue · Knee Procedures without Principal Diagnosis of Infection

ICD-9-CM equivalent

Converter →
  • 80.16Other arthrotomy, kneeapproximate

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
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about 0S9C00Z

Is 0S9C00Z a valid ICD-10-PCS code for 2027?

Yes. 0S9C00Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0S9C00Z an O.R. procedure?

Yes. 0S9C00Z is an O.R. procedure in MS-DRG v44.0.

What DRG does 0S9C00Z group to?

Depending on the principal diagnosis, 0S9C00Z can group to MS-DRG 400, MS-DRG 488, MS-DRG 489, MS-DRG 628, MS-DRG 629 and MS-DRG 630.

What is the ICD-9 procedure code for 0S9C00Z?

The CMS GEMs map 0S9C00Z to ICD-9-CM 80.16 (Other arthrotomy, knee).