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ICD-10-PCS 2027 procedure code

01HY02ZInsertion of Monitoring Device into Peripheral Nerve, Open Approach

✓ Valid for 2027O.R. procedure

Short description: Insertion of Monitor Dev into Periph Nrv, 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 01HY02Z

01HY02Z is the ICD-10-PCS code for a insertion procedure on the peripheral nerve using an open 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 other incision of cranial and peripheral nerves, the ICD-9-CM procedure title it maps to (04.04).

The same procedure with a different approach is coded 01HY32Z (percutaneous) and 01HY42Z (percutaneous endoscopic).

With a different device, use 01HY01Z (radioactive element), 01HY0MZ (neurostimulator lead) and 01HY0YZ (other device).

It is an operating-room procedure in the MS-DRG logic for DRG 040 (Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC), DRG 041 (Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator) and DRG 042 (Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC), under the surgical category “Peripheral, Cranial Nerve and Other Nervous System Procedures”.

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
1Peripheral Nervous 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
YPeripheral Nerve
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
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 →
  • 04.04Other incision of cranial and peripheral nervesapproximate

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 01HY02Z

Is 01HY02Z a valid ICD-10-PCS code for 2027?

Yes. 01HY02Z is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 01HY02Z an O.R. procedure?

Yes. 01HY02Z is an O.R. procedure in MS-DRG v44.0.

What DRG does 01HY02Z group to?

Depending on the principal diagnosis, 01HY02Z can group to MS-DRG 040, MS-DRG 041 and MS-DRG 042.

What is the ICD-9 procedure code for 01HY02Z?

The CMS GEMs map 01HY02Z to ICD-9-CM 04.04 (Other incision of cranial and peripheral nerves).