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ICD-10-PCS 2027 procedure code

009J3ZXDrainage of Trochlear Nerve, Percutaneous Approach, Diagnostic

✓ Valid for 2027

Short description: Drainage of Trochlear Nerve, Percutaneous Approach, Diagn

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 009J3ZX

009J3ZX is the ICD-10-PCS code for a drainage procedure on the trochlear nerve using a percutaneous approach (qualifier: diagnostic). In ICD-10-PCS, drainage means taking or letting out fluids and/or gases from a body part.

In plain terms, this corresponds to closed [percutaneous] [needle] biopsy of cranial or peripheral nerve or ganglion, the ICD-9-CM procedure title it maps to (04.11).

For a different body part, codes include 00903ZX (brain), 00913ZX (cerebral meninges), 00923ZX (dura mater), 00933ZX (epidural space, intracranial), 00943ZX (subdural space, intracranial), 00953ZX (subarachnoid space, intracranial) and 24 more.

The same procedure with a different approach is coded 009J0ZX (open) and 009J4ZX (percutaneous endoscopic).

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

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
JTrochlear Nerve

Includes: Fourth cranial nerve

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
ZNo Device
7. Qualifier
XDiagnostic

Other versions of this procedure

Different qualifier

ICD-9-CM equivalent

Converter →
  • 04.11Closed [percutaneous] [needle] biopsy of cranial or peripheral nerve or ganglionapproximate

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 009J3ZX

Is 009J3ZX a valid ICD-10-PCS code for 2027?

Yes. 009J3ZX is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

What is the ICD-9 procedure code for 009J3ZX?

The CMS GEMs map 009J3ZX to ICD-9-CM 04.11 (Closed [percutaneous] [needle] biopsy of cranial or peripheral nerve or ganglion).