ICD-10-PCS Tabular Index · Section 0 · FY 2026 0Y0

0Y0 Alteration - Anatomical Regions, Lower Extremities ICD-10-PCS

The 0Y0 code range contains 145 ICD-10-PCS codes for Alteration procedures on the anatomical regions, lower extremities. 144 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.

✓ Built from the official CMS FY 2026 datasetEffective Oct 1, 2025 – Sep 30, 2026
145
Procedure Codes
144
Billable Codes
0Y0
Characters 1–3
0Y
Parent Body System

Root Operation Definition

Alteration: Modifying the anatomic structure of a body part without affecting the function of the body part.

ICD-10-PCS

Codes in the 0Y0 Range 145 codes · 144 billable

145 of 145 shown
  • 0Y0 Anatomical Regions, Lower Extremities, AlterationNon-billable header
  • 0Y0007Z Alteration of Right Buttock with Autologous Tissue Substitute, Open Approach
  • 0Y000JZ Alteration of Right Buttock with Synthetic Substitute, Open Approach
  • 0Y000KZ Alteration of Right Buttock with Nonautologous Tissue Substitute, Open Approach
  • 0Y000ZZ Alteration of Right Buttock, Open Approach
  • 0Y0037Z Alteration of Right Buttock with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y003JZ Alteration of Right Buttock with Synthetic Substitute, Percutaneous Approach
  • 0Y003KZ Alteration of Right Buttock with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y003ZZ Alteration of Right Buttock, Percutaneous Approach
  • 0Y0047Z Alteration of Right Buttock with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y004JZ Alteration of Right Buttock with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y004KZ Alteration of Right Buttock with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y004ZZ Alteration of Right Buttock, Percutaneous Endoscopic Approach
  • 0Y0107Z Alteration of Left Buttock with Autologous Tissue Substitute, Open Approach
  • 0Y010JZ Alteration of Left Buttock with Synthetic Substitute, Open Approach
  • 0Y010KZ Alteration of Left Buttock with Nonautologous Tissue Substitute, Open Approach
  • 0Y010ZZ Alteration of Left Buttock, Open Approach
  • 0Y0137Z Alteration of Left Buttock with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y013JZ Alteration of Left Buttock with Synthetic Substitute, Percutaneous Approach
  • 0Y013KZ Alteration of Left Buttock with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y013ZZ Alteration of Left Buttock, Percutaneous Approach
  • 0Y0147Z Alteration of Left Buttock with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y014JZ Alteration of Left Buttock with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y014KZ Alteration of Left Buttock with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y014ZZ Alteration of Left Buttock, Percutaneous Endoscopic Approach
  • 0Y0907Z Alteration of Right Lower Extremity with Autologous Tissue Substitute, Open Approach
  • 0Y090JZ Alteration of Right Lower Extremity with Synthetic Substitute, Open Approach
  • 0Y090KZ Alteration of Right Lower Extremity with Nonautologous Tissue Substitute, Open Approach
  • 0Y090ZZ Alteration of Right Lower Extremity, Open Approach
  • 0Y0937Z Alteration of Right Lower Extremity with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y093JZ Alteration of Right Lower Extremity with Synthetic Substitute, Percutaneous Approach
  • 0Y093KZ Alteration of Right Lower Extremity with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y093ZZ Alteration of Right Lower Extremity, Percutaneous Approach
  • 0Y0947Z Alteration of Right Lower Extremity with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y094JZ Alteration of Right Lower Extremity with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y094KZ Alteration of Right Lower Extremity with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y094ZZ Alteration of Right Lower Extremity, Percutaneous Endoscopic Approach
  • 0Y0B07Z Alteration of Left Lower Extremity with Autologous Tissue Substitute, Open Approach
  • 0Y0B0JZ Alteration of Left Lower Extremity with Synthetic Substitute, Open Approach
  • 0Y0B0KZ Alteration of Left Lower Extremity with Nonautologous Tissue Substitute, Open Approach
  • 0Y0B0ZZ Alteration of Left Lower Extremity, Open Approach
  • 0Y0B37Z Alteration of Left Lower Extremity with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y0B3JZ Alteration of Left Lower Extremity with Synthetic Substitute, Percutaneous Approach
  • 0Y0B3KZ Alteration of Left Lower Extremity with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y0B3ZZ Alteration of Left Lower Extremity, Percutaneous Approach
  • 0Y0B47Z Alteration of Left Lower Extremity with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0B4JZ Alteration of Left Lower Extremity with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y0B4KZ Alteration of Left Lower Extremity with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0B4ZZ Alteration of Left Lower Extremity, Percutaneous Endoscopic Approach
  • 0Y0C07Z Alteration of Right Upper Leg with Autologous Tissue Substitute, Open Approach
  • 0Y0C0JZ Alteration of Right Upper Leg with Synthetic Substitute, Open Approach
  • 0Y0C0KZ Alteration of Right Upper Leg with Nonautologous Tissue Substitute, Open Approach
  • 0Y0C0ZZ Alteration of Right Upper Leg, Open Approach
  • 0Y0C37Z Alteration of Right Upper Leg with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y0C3JZ Alteration of Right Upper Leg with Synthetic Substitute, Percutaneous Approach
  • 0Y0C3KZ Alteration of Right Upper Leg with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y0C3ZZ Alteration of Right Upper Leg, Percutaneous Approach
  • 0Y0C47Z Alteration of Right Upper Leg with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0C4JZ Alteration of Right Upper Leg with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y0C4KZ Alteration of Right Upper Leg with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0C4ZZ Alteration of Right Upper Leg, Percutaneous Endoscopic Approach
  • 0Y0D07Z Alteration of Left Upper Leg with Autologous Tissue Substitute, Open Approach
  • 0Y0D0JZ Alteration of Left Upper Leg with Synthetic Substitute, Open Approach
  • 0Y0D0KZ Alteration of Left Upper Leg with Nonautologous Tissue Substitute, Open Approach
  • 0Y0D0ZZ Alteration of Left Upper Leg, Open Approach
  • 0Y0D37Z Alteration of Left Upper Leg with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y0D3JZ Alteration of Left Upper Leg with Synthetic Substitute, Percutaneous Approach
  • 0Y0D3KZ Alteration of Left Upper Leg with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y0D3ZZ Alteration of Left Upper Leg, Percutaneous Approach
  • 0Y0D47Z Alteration of Left Upper Leg with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0D4JZ Alteration of Left Upper Leg with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y0D4KZ Alteration of Left Upper Leg with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0D4ZZ Alteration of Left Upper Leg, Percutaneous Endoscopic Approach
  • 0Y0F07Z Alteration of Right Knee Region with Autologous Tissue Substitute, Open Approach
  • 0Y0F0JZ Alteration of Right Knee Region with Synthetic Substitute, Open Approach
  • 0Y0F0KZ Alteration of Right Knee Region with Nonautologous Tissue Substitute, Open Approach
  • 0Y0F0ZZ Alteration of Right Knee Region, Open Approach
  • 0Y0F37Z Alteration of Right Knee Region with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y0F3JZ Alteration of Right Knee Region with Synthetic Substitute, Percutaneous Approach
  • 0Y0F3KZ Alteration of Right Knee Region with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y0F3ZZ Alteration of Right Knee Region, Percutaneous Approach
  • 0Y0F47Z Alteration of Right Knee Region with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0F4JZ Alteration of Right Knee Region with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y0F4KZ Alteration of Right Knee Region with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0F4ZZ Alteration of Right Knee Region, Percutaneous Endoscopic Approach
  • 0Y0G07Z Alteration of Left Knee Region with Autologous Tissue Substitute, Open Approach
  • 0Y0G0JZ Alteration of Left Knee Region with Synthetic Substitute, Open Approach
  • 0Y0G0KZ Alteration of Left Knee Region with Nonautologous Tissue Substitute, Open Approach
  • 0Y0G0ZZ Alteration of Left Knee Region, Open Approach
  • 0Y0G37Z Alteration of Left Knee Region with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y0G3JZ Alteration of Left Knee Region with Synthetic Substitute, Percutaneous Approach
  • 0Y0G3KZ Alteration of Left Knee Region with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y0G3ZZ Alteration of Left Knee Region, Percutaneous Approach
  • 0Y0G47Z Alteration of Left Knee Region with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0G4JZ Alteration of Left Knee Region with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y0G4KZ Alteration of Left Knee Region with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0G4ZZ Alteration of Left Knee Region, Percutaneous Endoscopic Approach
  • 0Y0H07Z Alteration of Right Lower Leg with Autologous Tissue Substitute, Open Approach
  • 0Y0H0JZ Alteration of Right Lower Leg with Synthetic Substitute, Open Approach
  • 0Y0H0KZ Alteration of Right Lower Leg with Nonautologous Tissue Substitute, Open Approach
  • 0Y0H0ZZ Alteration of Right Lower Leg, Open Approach
  • 0Y0H37Z Alteration of Right Lower Leg with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y0H3JZ Alteration of Right Lower Leg with Synthetic Substitute, Percutaneous Approach
  • 0Y0H3KZ Alteration of Right Lower Leg with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y0H3ZZ Alteration of Right Lower Leg, Percutaneous Approach
  • 0Y0H47Z Alteration of Right Lower Leg with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0H4JZ Alteration of Right Lower Leg with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y0H4KZ Alteration of Right Lower Leg with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0H4ZZ Alteration of Right Lower Leg, Percutaneous Endoscopic Approach
  • 0Y0J07Z Alteration of Left Lower Leg with Autologous Tissue Substitute, Open Approach
  • 0Y0J0JZ Alteration of Left Lower Leg with Synthetic Substitute, Open Approach
  • 0Y0J0KZ Alteration of Left Lower Leg with Nonautologous Tissue Substitute, Open Approach
  • 0Y0J0ZZ Alteration of Left Lower Leg, Open Approach
  • 0Y0J37Z Alteration of Left Lower Leg with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y0J3JZ Alteration of Left Lower Leg with Synthetic Substitute, Percutaneous Approach
  • 0Y0J3KZ Alteration of Left Lower Leg with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y0J3ZZ Alteration of Left Lower Leg, Percutaneous Approach
  • 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
  • 0Y0J4ZZ Alteration of Left Lower Leg, Percutaneous Endoscopic Approach
  • 0Y0K07Z Alteration of Right Ankle Region with Autologous Tissue Substitute, Open Approach
  • 0Y0K0JZ Alteration of Right Ankle Region with Synthetic Substitute, Open Approach
  • 0Y0K0KZ Alteration of Right Ankle Region with Nonautologous Tissue Substitute, Open Approach
  • 0Y0K0ZZ Alteration of Right Ankle Region, Open Approach
  • 0Y0K37Z Alteration of Right Ankle Region with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y0K3JZ Alteration of Right Ankle Region with Synthetic Substitute, Percutaneous Approach
  • 0Y0K3KZ Alteration of Right Ankle Region with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y0K3ZZ Alteration of Right Ankle Region, Percutaneous Approach
  • 0Y0K47Z Alteration of Right Ankle Region with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0K4JZ Alteration of Right Ankle Region with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y0K4KZ Alteration of Right Ankle Region with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0K4ZZ Alteration of Right Ankle Region, Percutaneous Endoscopic Approach
  • 0Y0L07Z Alteration of Left Ankle Region with Autologous Tissue Substitute, Open Approach
  • 0Y0L0JZ Alteration of Left Ankle Region with Synthetic Substitute, Open Approach
  • 0Y0L0KZ Alteration of Left Ankle Region with Nonautologous Tissue Substitute, Open Approach
  • 0Y0L0ZZ Alteration of Left Ankle Region, Open Approach
  • 0Y0L37Z Alteration of Left Ankle Region with Autologous Tissue Substitute, Percutaneous Approach
  • 0Y0L3JZ Alteration of Left Ankle Region with Synthetic Substitute, Percutaneous Approach
  • 0Y0L3KZ Alteration of Left Ankle Region with Nonautologous Tissue Substitute, Percutaneous Approach
  • 0Y0L3ZZ Alteration of Left Ankle Region, Percutaneous Approach
  • 0Y0L47Z Alteration of Left Ankle Region with Autologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0L4JZ Alteration of Left Ankle Region with Synthetic Substitute, Percutaneous Endoscopic Approach
  • 0Y0L4KZ Alteration of Left Ankle Region with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach
  • 0Y0L4ZZ Alteration of Left Ankle Region, Percutaneous Endoscopic Approach

About the 0Y0 Code Range

The ICD-10-PCS root operation Alteration (code starting with 0Y0) involves modifying the appearance of a body part without affecting its function. This operation is categorized under the Medical and Surgical section and typically refers to changes made for cosmetic reasons rather than therapeutic.

Within this classification, the codes focus on anatomical regions of the lower extremities, such as the right and left buttocks, upper legs, knees, lower legs, and ankles. Procedures may be performed via various approaches, including open, percutaneous, and percutaneous endoscopic. Specific examples from the provided list include alteration of the right buttock with an autologous tissue substitute using an open approach (0Y0007Z), alteration of the left lower leg with a synthetic substitute via percutaneous endoscopic approach (0Y0J4JZ), and alteration of the right ankle region without a tissue substitute by an open approach (0Y0K0ZZ). These codes capture the nature of the modification along with the body part, substitute type if any, and approach, enabling precise coding of cosmetic alterations in the lower extremities.

Questions About This Page

How many billable codes are in the 0Y0 range?

Of the 145 codes in this range, 144 are billable and valid for inpatient claim submission from October 1, 2025 through September 30, 2026. Table header codes group them but cannot be reported on claims.

What does the 0Y0 range classify?

The range classifies Alteration procedures, modifying the anatomic structure of a body part without affecting the function of the body part, performed on the anatomical regions, lower extremities. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.

Related References

All ICD-10-PCS SectionsAll of Medical and Surgical (0)All of Body System 0YICD-10-PCS Code LookupICD-10-CM Codes ListMS-DRG ReferenceMedicare Code Edits

Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.