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ICD-10-PCS 2027 procedure code

0TH542ZInsertion of Monitoring Device into Kidney, Percutaneous Endoscopic Approach

✓ Valid for 2027O.R. procedure

Short description: Insertion of Monitor Dev into Kidney, Perc Endo 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 0TH542Z

0TH542Z is the ICD-10-PCS code for a insertion procedure on the kidney using a percutaneous endoscopic approach with monitoring device. In ICD-10-PCS, insertion means putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part.

In plain terms, this corresponds to Nephrotomy, the ICD-9-CM procedure title it maps to (55.01).

For a different body part, codes include 0TH942Z (ureter), 0THB42Z (bladder) and 0THD42Z (urethra).

The same procedure with a different approach is coded 0TH502Z (open), 0TH532Z (percutaneous), 0TH572Z (via natural or artificial opening) and 0TH582Z (via natural or artificial opening endoscopic).

With a different device, use 0TH541Z (radioactive element), 0TH543Z (infusion device) and 0TH54YZ (other 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” and “Other O.R. Procedures for Injuries”.

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
HInsertion

Putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part

Includes: Insertion of radioactive implant, insertion of central venous catheter

4. Body Part
5Kidney

Includes: Renal calyx; Renal capsule; Renal cortex; Renal segment

5. Approach
4Percutaneous Endoscopic

Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach and visualize the site of the procedure

6. Device
2Monitoring Device

Includes: Blood glucose monitoring system; Cardiac event recorder; Continuous Glucose Monitoring (CGM) device; Implantable glucose monitoring device; Loop recorder, implantable; Reveal (LINQ)(DX)(XT)

7. Qualifier
ZNo Qualifier

Other versions of this procedure

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 →
  • 55.01Nephrotomyapproximate

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 0TH542Z

Is 0TH542Z a valid ICD-10-PCS code for 2027?

Yes. 0TH542Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0TH542Z an O.R. procedure?

Yes. 0TH542Z is an O.R. procedure in MS-DRG v44.0.

What DRG does 0TH542Z group to?

Depending on the principal diagnosis, 0TH542Z 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 0TH542Z?

The CMS GEMs map 0TH542Z to ICD-9-CM 55.01 (Nephrotomy).