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ICD-10-PCS 2027 procedure code

0BB50ZXExcision of Right Middle Lobe Bronchus, Open Approach, Diagnostic

✓ Valid for 2027O.R. procedure

Short description: Excision of Right Middle Lobe Bronchus, Open 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 0BB50ZX

0BB50ZX is the ICD-10-PCS code for a excision procedure on the right middle lobe bronchus using an open approach (qualifier: diagnostic). In ICD-10-PCS, excision means cutting out or off, without replacement, a portion of a body part.

In plain terms, this corresponds to open biopsy of bronchus, the ICD-9-CM procedure title it maps to (33.25).

For a different body part, codes include 0BB10ZX (trachea), 0BB20ZX (carina), 0BB30ZX (right main bronchus), 0BB40ZX (right upper lobe bronchus), 0BB60ZX (right lower lobe bronchus), 0BB70ZX (left main bronchus) and 15 more.

The same procedure with a different approach is coded 0BB53ZX (percutaneous), 0BB54ZX (percutaneous endoscopic), 0BB57ZX (via natural or artificial opening) and 0BB58ZX (via natural or artificial opening endoscopic).

It is an operating-room procedure in the MS-DRG logic for DRG 163 (Major Chest Procedures with MCC), DRG 164 (Major Chest Procedures with CC) and DRG 165 (Major Chest Procedures without CC/MCC), under the surgical category “Major Chest 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
BRespiratory System
3. Operation
BExcision

Cutting out or off, without replacement, a portion of a body part

The qualifier DIAGNOSTIC is used to identify excision procedures that are biopsies

Includes: Partial nephrectomy, liver biopsy

4. Body Part
5Middle Lobe Bronchus, Right
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
ZNo Device
7. Qualifier
XDiagnostic

Other versions of this procedure

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 →
  • 33.25Open biopsy of bronchusapproximate

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 0BB50ZX

Is 0BB50ZX a valid ICD-10-PCS code for 2027?

Yes. 0BB50ZX is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0BB50ZX an O.R. procedure?

Yes. 0BB50ZX is an O.R. procedure in MS-DRG v44.0.

What DRG does 0BB50ZX group to?

Depending on the principal diagnosis, 0BB50ZX can group to MS-DRG 163, MS-DRG 164 and MS-DRG 165.

What is the ICD-9 procedure code for 0BB50ZX?

The CMS GEMs map 0BB50ZX to ICD-9-CM 33.25 (Open biopsy of bronchus).