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ICD-10-PCS 2027 procedure code

07HM3YZInsertion of Other Device into Thymus, Percutaneous Approach

✓ Valid for 2027

Code last changed in FY2018 (effective October 1, 2017). Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 07HM3YZ

07HM3YZ is the ICD-10-PCS code for a insertion procedure on the thymus using a percutaneous approach with other 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 incision of lymphatic structures, the ICD-9-CM procedure title it maps to (40.0).

For a different body part, codes include 07HK3YZ (thoracic duct), 07HL3YZ (cisterna chyli), 07HN3YZ (lymphatic), 07HP3YZ (spleen) and 07HT3YZ (bone marrow).

The same procedure with a different approach is coded 07HM0YZ (open) and 07HM4YZ (percutaneous endoscopic).

With a different device, use 07HM31Z (radioactive element) and 07HM33Z (infusion device).

It doesn't appear in the MS-DRG procedure index, so on its own it doesn't change the DRG assignment.

It was added in FY2018, effective October 1, 2017.

What each character means

1. Section
0Medical and Surgical
2. Body System
7Lymphatic and Hemic Systems
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
MThymus

Includes: Thymus gland

5. Approach
3Percutaneous

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

6. Device
YOther Device

Includes: Alfapump(R) system

7. Qualifier
ZNo Qualifier

Other versions of this procedure

ICD-9-CM equivalent

Converter →
  • 40.0Incision of lymphatic structuresapproximate

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
  • FY2018 (effective 10/1/2017): Added
  • No changes since FY2018.

Common questions about 07HM3YZ

Is 07HM3YZ a valid ICD-10-PCS code for 2027?

Yes. 07HM3YZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

What is the ICD-9 procedure code for 07HM3YZ?

The CMS GEMs map 07HM3YZ to ICD-9-CM 40.0 (Incision of lymphatic structures).