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ICD-10-PCS 2027 procedure code

0T9470ZDrainage of Left Kidney Pelvis with Drainage Device, Via Natural or Artificial Opening

✓ Valid for 2027O.R. procedure

Short description: Drainage of Left Kidney Pelvis with Drain Dev, Via Opening

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 0T9470Z

0T9470Z is the ICD-10-PCS code for a drainage procedure on the left kidney pelvis using a via natural or artificial opening 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 pyelostomy, the ICD-9-CM procedure title it maps to (55.12).

For a different body part, codes include 0T9070Z (right kidney), 0T9170Z (left kidney), 0T9370Z (right kidney pelvis), 0T9670Z (right ureter), 0T9770Z (left ureter), 0T9870Z (bilateral ureters) and 3 more.

The same procedure with a different approach is coded 0T9400Z (open), 0T9430Z (percutaneous), 0T9440Z (percutaneous endoscopic) and 0T9480Z (via natural or artificial opening endoscopic).

With a different device, use 0T947ZZ (no device).

It is an operating-room procedure in the MS-DRG logic for DRG 656 (Kidney and Ureter Procedures for Neoplasm with MCC), DRG 657 (Kidney and Ureter Procedures for Neoplasm with CC), DRG 658 (Kidney and Ureter Procedures for Neoplasm without CC/MCC), DRG 659 (Kidney and Ureter Procedures for Non-Neoplasm with MCC), DRG 660 (Kidney and Ureter Procedures for Non-Neoplasm with CC) and DRG 661 (Kidney and Ureter Procedures for Non-Neoplasm without CC/MCC), under the surgical categories “”, “Kidney and Ureter Procedures for Non-Neoplasm”, “Other O.R. Procedures for Injuries” 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
TUrinary System
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
4Kidney Pelvis, Left

Includes: Ureteropelvic junction (UPJ)

5. Approach
7Via Natural or Artificial Opening

Entry of instrumentation through a natural or artificial external opening to reach 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.

ICD-9-CM equivalent

Converter →
  • 55.12Pyelostomyapproximate

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 0T9470Z

Is 0T9470Z a valid ICD-10-PCS code for 2027?

Yes. 0T9470Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0T9470Z an O.R. procedure?

Yes. 0T9470Z is an O.R. procedure in MS-DRG v44.0.

What DRG does 0T9470Z group to?

Depending on the principal diagnosis, 0T9470Z can group to MS-DRG 656, MS-DRG 657, MS-DRG 658, MS-DRG 659, MS-DRG 660 and MS-DRG 661.

What is the ICD-9 procedure code for 0T9470Z?

The CMS GEMs map 0T9470Z to ICD-9-CM 55.12 (Pyelostomy).