Skip to main content
ICD-10-PCS/0BN/0BN77ZZ
Inpatient Procedure Code

0BN77ZZ

Release Left Main Bronchus, Via Natural or Artificial Opening

Release Left Main Bronchus, Via Opening

Axis Breakdown

Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.

PositionValueMeaning
1
Section0

Medical and Surgical

2
Body SystemB

Respiratory System

3
Root OperationN

Release

Freeing a body part from an abnormal physical constraint by cutting or by the use of force

4
Body Part7

Main Bronchus, Left

5
Approach7

Via Natural or Artificial Opening

6
DeviceZ

No Device

7
QualifierZ

No Qualifier

Potential MS-DRG Relationships (FY2026)

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 3 MS-DRGs:

From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.

Contextual Map

Every relationship of 0BN77ZZ in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

PCS table

  • 0BN[PCS table]
  • [object Object] — Section: [object Object] [Section]: “[object Object]”
  • [object Object] — Body System: [object Object] [Body System]: “[object Object]”
  • [object Object] — Operation: [object Object] [Operation]: “[object Object]”

MS-DRG participation

  • DRG 163 — MAJOR CHEST PROCEDURES WITH MCC [MS-DRG]: “MAJOR CHEST PROCEDURES WITH MCC — Major Chest Procedures (MDC 04)”
  • DRG 164 — MAJOR CHEST PROCEDURES WITH CC [MS-DRG]: “MAJOR CHEST PROCEDURES WITH CC — Major Chest Procedures (MDC 04)”
  • DRG 165 — MAJOR CHEST PROCEDURES WITHOUT CC/MCC [MS-DRG]: “MAJOR CHEST PROCEDURES WITHOUT CC/MCC — Major Chest Procedures (MDC 04)”

MDC crossing · diagnoses (681)

  • MDC 04 — Diseases and Disorders of the Respiratory System [MDC crossing]: “Diseases and Disorders of the Respiratory System — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
  • A02.22 — Salmonella pneumonia [Same-MDC diagnosis]: “Salmonella pneumonia — grouped in MDC 04, the diagnosis side of this code's crossing.”
  • A06.5 — Amebic lung abscess [Same-MDC diagnosis]: “Amebic lung abscess — grouped in MDC 04, the diagnosis side of this code's crossing.”
  • A15.0 — Tuberculosis of lung [Same-MDC diagnosis]: “Tuberculosis of lung — grouped in MDC 04, the diagnosis side of this code's crossing.”
  • A15.4 — Tuberculosis of intrathoracic lymph nodes [Same-MDC diagnosis]: “Tuberculosis of intrathoracic lymph nodes — grouped in MDC 04, the diagnosis side of this code's crossing.”
  • A15.5 — Tuberculosis of larynx, trachea and bronchus [Same-MDC diagnosis]: “Tuberculosis of larynx, trachea and bronchus — grouped in MDC 04, the diagnosis side of this code's crossing.”
  • and 676 more

Nearest codes

  • 0BN17ZZ — Release Trachea, Via Natural or Artificial Opening [One axis away]
  • 0BN27ZZ — Release Carina, Via Natural or Artificial Opening [One axis away]
  • 0BN37ZZ — Release Right Main Bronchus, Via Natural or Artificial Opening [One axis away]
  • 0BN47ZZ — Release Right Upper Lobe Bronchus, Via Natural or Artificial Opening [One axis away]
  • 0BN57ZZ — Release Right Middle Lobe Bronchus, Via Natural or Artificial Opening [One axis away]
  • 0BN67ZZ — Release Right Lower Lobe Bronchus, Via Natural or Artificial Opening [One axis away]
  • 0BN70ZZ — Release Left Main Bronchus, Open Approach [One axis away]
  • 0BN73ZZ — Release Left Main Bronchus, Percutaneous Approach [One axis away]

Change history

No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.