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ICD-10-PCS 2027 procedure code

0G994ZZDrainage of Para-aortic Body, Percutaneous Endoscopic Approach

✓ Valid for 2027O.R. procedure

Short description: Drainage of Para-aortic Body, 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 0G994ZZ

0G994ZZ is the ICD-10-PCS code for a drainage procedure on the para-aortic body using a percutaneous endoscopic approach. In ICD-10-PCS, drainage means taking or letting out fluids and/or gases from a body part.

In plain terms, this corresponds to other operations on carotid body, carotid sinus and other vascular bodies, the ICD-9-CM procedure title it maps to (39.89).

For a different body part, codes include 0G904ZZ (pituitary gland), 0G914ZZ (pineal body), 0G924ZZ (left adrenal gland), 0G934ZZ (right adrenal gland), 0G944ZZ (bilateral adrenal glands), 0G964ZZ (left carotid body) and 15 more.

The same procedure with a different approach is coded 0G990ZZ (open) and 0G993ZZ (percutaneous).

With a different device, use 0G9940Z (drainage device).

It is an operating-room procedure in the MS-DRG logic for DRG 252 (Other Vascular Procedures with MCC), DRG 253 (Other Vascular Procedures with CC) and DRG 254 (Other Vascular Procedures without CC/MCC), under the surgical category “Other Vascular 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
GEndocrine 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
9Para-aortic Body
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
ZNo Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

Different device

Different qualifier

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 →
  • 39.89Other operations on carotid body, carotid sinus and other vascular bodiesapproximate

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 0G994ZZ

Is 0G994ZZ a valid ICD-10-PCS code for 2027?

Yes. 0G994ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0G994ZZ an O.R. procedure?

Yes. 0G994ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 0G994ZZ group to?

Depending on the principal diagnosis, 0G994ZZ can group to MS-DRG 252, MS-DRG 253 and MS-DRG 254.

What is the ICD-9 procedure code for 0G994ZZ?

The CMS GEMs map 0G994ZZ to ICD-9-CM 39.89 (Other operations on carotid body, carotid sinus and other vascular bodies).