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ICD-10-PCS 2027 procedure code

009X0ZZDrainage of Thoracic Spinal Cord, Open Approach

✓ Valid for 2027O.R. procedure

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 009X0ZZ

009X0ZZ is the ICD-10-PCS code for a drainage procedure on the thoracic spinal cord using an open approach. 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 exploration and decompression of spinal canal, the ICD-9-CM procedure title it maps to (03.09).

For a different body part, codes include 00900ZZ (brain), 00910ZZ (cerebral meninges), 00920ZZ (dura mater), 00930ZZ (epidural space, intracranial), 00940ZZ (subdural space, intracranial), 00950ZZ (subarachnoid space, intracranial) and 24 more.

The same procedure with a different approach is coded 009X3ZZ (percutaneous) and 009X4ZZ (percutaneous endoscopic).

With a different device, use 009X00Z (drainage device).

It is an operating-room procedure in the MS-DRG logic for DRG 028 (Spinal Procedures with MCC), DRG 029 (Spinal Procedures with CC or Spinal Neurostimulators), DRG 030 (Spinal Procedures without CC/MCC), DRG 518 (Back and Neck Procedures Except Spinal Fusion with MCC or Disc Device or Neurostimulator), DRG 519 (Back and Neck Procedures Except Spinal Fusion with CC) and DRG 520 (Back and Neck Procedures Except Spinal Fusion without CC/MCC), under the surgical categories “Spinal Procedures”, “Back and Neck Procedures Except Spinal Fusion or Disc Device or Neurostimulator”, “Lymphoma and Leukemia with Major O.R. Procedures” and 3 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
0Central Nervous System and Cranial Nerves
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
XThoracic Spinal Cord

Includes: Dorsal root ganglion

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
ZNo Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

Different device

Different qualifier

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 · Back and Neck Procedures Except Spinal Fusion or Disc Device or Neurostimulator

ICD-9-CM equivalent

Converter →
  • 03.09Other exploration and decompression of spinal canalapproximate

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 009X0ZZ

Is 009X0ZZ a valid ICD-10-PCS code for 2027?

Yes. 009X0ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 009X0ZZ an O.R. procedure?

Yes. 009X0ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 009X0ZZ group to?

Depending on the principal diagnosis, 009X0ZZ can group to MS-DRG 028, MS-DRG 029, MS-DRG 030, MS-DRG 518, MS-DRG 519 and MS-DRG 520.

What is the ICD-9 procedure code for 009X0ZZ?

The CMS GEMs map 009X0ZZ to ICD-9-CM 03.09 (Other exploration and decompression of spinal canal).