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Inpatient Procedure Code

0YBG4ZX ICD-10-PCS Code: Excision of Left Knee Region, Percutaneous Endoscopic Approach, Diagnostic

Excision of Left Knee Region, Perc Endo Approach, Diagn

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 SystemY

Anatomical Regions, Lower Extremities

3
Root OperationB

Excision

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

4
Body PartG

Knee Region, Left

5
Approach4

Percutaneous Endoscopic

6
DeviceZ

No Device

7
QualifierX

Diagnostic

Related Codes

Same operation — other Body Part

Same table and root operation, differing only in the body part character.

0YBB4ZX — Excision of Left Lower Extremity, Percutaneous Endoscopic Approach, Diagnostic, 0YBC4ZX — Excision of Right Upper Leg, Percutaneous Endoscopic Approach, Diagnostic, 0YBD4ZX — Excision of Left Upper Leg, Percutaneous Endoscopic Approach, Diagnostic, 0YBF4ZX — Excision of Right Knee Region, Percutaneous Endoscopic Approach, Diagnostic, 0YBH4ZX — Excision of Right Lower Leg, Percutaneous Endoscopic Approach, Diagnostic, 0YBJ4ZX — Excision of Left Lower Leg, Percutaneous Endoscopic Approach, Diagnostic, 0YBK4ZX — Excision of Right Ankle Region, Percutaneous Endoscopic Approach, Diagnostic, 0YBL4ZX — Excision of Left Ankle Region, Percutaneous Endoscopic Approach, Diagnostic, +9 more

Same operation — other Approach

Same table and root operation, differing only in the approach character.

0YBG0ZX — Excision of Left Knee Region, Open Approach, Diagnostic, 0YBG3ZX — Excision of Left Knee Region, Percutaneous Approach, Diagnostic

Same operation — other Qualifier

Same table and root operation, differing only in the qualifier character.

0YBG4ZZ — Excision of Left Knee Region, Percutaneous Endoscopic Approach

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Subcutaneous tissue, fascia, and muscle biopsy (Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures); listed here are the members in other PCS tables. Source: Clinical Classifications Software Refined (CCSR), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, November 2025.

0Y9K4ZX — Drainage of Right Ankle Region, Percutaneous Endoscopic Approach, Diagnostic, 0Y9L0ZX — Drainage of Left Ankle Region, Open Approach, Diagnostic, 0Y9L3ZX — Drainage of Left Ankle Region, Percutaneous Approach, Diagnostic, 0Y9L4ZX — Drainage of Left Ankle Region, Percutaneous Endoscopic Approach, Diagnostic, 0Y9M0ZX — Drainage of Right Foot, Open Approach, Diagnostic, 0Y9M3ZX — Drainage of Right Foot, Percutaneous Approach, Diagnostic, 0Y9M4ZX — Drainage of Right Foot, Percutaneous Endoscopic Approach, Diagnostic, 0Y9N0ZX — Drainage of Left Foot, Open Approach, Diagnostic, 0Y9N3ZX — Drainage of Left Foot, Percutaneous Approach, Diagnostic, 0Y9N4ZX — Drainage of Left Foot, Percutaneous Endoscopic Approach, Diagnostic, 0YJ00ZZ — Inspection of Right Buttock, Open Approach, 0YJ03ZZ — Inspection of Right Buttock, Percutaneous Approach, 0YJ04ZZ — Inspection of Right Buttock, Percutaneous Endoscopic Approach, 0YJ0XZZ — Inspection of Right Buttock, External Approach, 0YJ10ZZ — Inspection of Left Buttock, Open Approach, 0YJ13ZZ — Inspection of Left Buttock, Percutaneous Approach, 0YJ14ZZ — Inspection of Left Buttock, Percutaneous Endoscopic Approach, 0YJ1XZZ — Inspection of Left Buttock, External Approach, 0YJ50ZZ — Inspection of Right Inguinal Region, Open Approach, 0YJ53ZZ — Inspection of Right Inguinal Region, Percutaneous Approach, +919 more

Contextual Map

Every relationship of 0YBG4ZX 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

Clinical classification (CCSR)

Nearest codes

Change history

No changes recorded for this code. This ledger tracks additions, deletions and description changes from FY2026 (April) onward. Note changes are not tracked.

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2026 (April); CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43; AHRQ HCUP Clinical Classifications Software Refined for ICD-10-PCS Procedures (hcup-us.ahrq.gov/toolssoftware/ccsr/PRCCSR_v2026-1.zip) — v2026.1. All data sources · How to read the labels