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Inpatient Procedure Code

0Y0J4ZZ ICD-10-PCS Code: Alteration of Left Lower Leg, Percutaneous Endoscopic Approach

Alteration of Left Lower Leg, Perc Endo Approach

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 Operation0

Alteration

Modifying the anatomic structure of a body part without affecting the function of the body part

4
Body PartJ

Lower Leg, Left

5
Approach4

Percutaneous Endoscopic

6
DeviceZ

No Device

7
QualifierZ

No Qualifier

MS-DRG Grouper Relationships (FY2026)

Potential MS-DRG participation — not a DRG assignment.

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 6 MS-DRGs:

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

Related Codes

Same operation — other Body Part

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

0Y0B4ZZ — Alteration of Left Lower Extremity, Percutaneous Endoscopic Approach, 0Y0C4ZZ — Alteration of Right Upper Leg, Percutaneous Endoscopic Approach, 0Y0D4ZZ — Alteration of Left Upper Leg, Percutaneous Endoscopic Approach, 0Y0F4ZZ — Alteration of Right Knee Region, Percutaneous Endoscopic Approach, 0Y0G4ZZ — Alteration of Left Knee Region, Percutaneous Endoscopic Approach, 0Y0H4ZZ — Alteration of Right Lower Leg, Percutaneous Endoscopic Approach, 0Y0K4ZZ — Alteration of Right Ankle Region, Percutaneous Endoscopic Approach, 0Y0L4ZZ — Alteration of Left Ankle Region, Percutaneous Endoscopic Approach, +3 more

Same operation — other Approach

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

0Y0J0ZZ — Alteration of Left Lower Leg, Open Approach, 0Y0J3ZZ — Alteration of Left Lower Leg, Percutaneous Approach

Same operation — other Device

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

0Y0J47Z — Alteration of Left Lower Leg with Autologous Tissue Substitute, Percutaneous Endoscopic Approach, 0Y0J4JZ — Alteration of Left Lower Leg with Synthetic Substitute, Percutaneous Endoscopic Approach, 0Y0J4KZ — Alteration of Left Lower Leg with Nonautologous Tissue Substitute, 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 Cosmetic procedures (General Region 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.

0X0G37Z — Alteration of Right Wrist Region with Autologous Tissue Substitute, Percutaneous Approach, 0X0G3JZ — Alteration of Right Wrist Region with Synthetic Substitute, Percutaneous Approach, 0X0G3KZ — Alteration of Right Wrist Region with Nonautologous Tissue Substitute, Percutaneous Approach, 0X0G3ZZ — Alteration of Right Wrist Region, Percutaneous Approach, 0X0G47Z — Alteration of Right Wrist Region with Autologous Tissue Substitute, Percutaneous Endoscopic Approach, 0X0G4JZ — Alteration of Right Wrist Region with Synthetic Substitute, Percutaneous Endoscopic Approach, 0X0G4KZ — Alteration of Right Wrist Region with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach, 0X0G4ZZ — Alteration of Right Wrist Region, Percutaneous Endoscopic Approach, 0X0H07Z — Alteration of Left Wrist Region with Autologous Tissue Substitute, Open Approach, 0X0H0JZ — Alteration of Left Wrist Region with Synthetic Substitute, Open Approach, 0X0H0KZ — Alteration of Left Wrist Region with Nonautologous Tissue Substitute, Open Approach, 0X0H0ZZ — Alteration of Left Wrist Region, Open Approach, 0X0H37Z — Alteration of Left Wrist Region with Autologous Tissue Substitute, Percutaneous Approach, 0X0H3JZ — Alteration of Left Wrist Region with Synthetic Substitute, Percutaneous Approach, 0X0H3KZ — Alteration of Left Wrist Region with Nonautologous Tissue Substitute, Percutaneous Approach, 0X0H3ZZ — Alteration of Left Wrist Region, Percutaneous Approach, 0X0H47Z — Alteration of Left Wrist Region with Autologous Tissue Substitute, Percutaneous Endoscopic Approach, 0X0H4JZ — Alteration of Left Wrist Region with Synthetic Substitute, Percutaneous Endoscopic Approach, 0X0H4KZ — Alteration of Left Wrist Region with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach, 0X0H4ZZ — Alteration of Left Wrist Region, Percutaneous Endoscopic Approach, +454 more

Contextual Map

Every relationship of 0Y0J4ZZ 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.

Run 0Y0J4ZZ with these 5 related codes in Claim Check

PCS table

MS-DRG participation

Clinical classification (CCSR)

  • GNR001 — Cosmetic procedures[CCSR category]: “Cosmetic procedures — General Region Procedures”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1

MDC crossing · diagnoses (11835)

  • MDC 09 — Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast[MDC crossing]: “Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast — 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.”— CMS MS-DRG Definitions Manual · FY2026
  • MDC 21 — Injuries, Poisonings and Toxic Effects of Drugs[MDC crossing]: “Injuries, Poisonings and Toxic Effects of Drugs — 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.”— CMS MS-DRG Definitions Manual · FY2026
  • A06.7 — Cutaneous amebiasis[Same-MDC diagnosis]: “Cutaneous amebiasis — grouped in MDC 09, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A18.4 — Tuberculosis of skin and subcutaneous tissue[Same-MDC diagnosis]: “Tuberculosis of skin and subcutaneous tissue — grouped in MDC 09, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A22.0 — Cutaneous anthrax[Same-MDC diagnosis]: “Cutaneous anthrax — grouped in MDC 09, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A31.1 — Cutaneous mycobacterial infection[Same-MDC diagnosis]: “Cutaneous mycobacterial infection — grouped in MDC 09, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A36.3 — Cutaneous diphtheria[Same-MDC diagnosis]: “Cutaneous diphtheria — grouped in MDC 09, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • and 11830 more

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