2W3 Immobilization - Anatomical Regions ICD-10-PCS
The 2W3 code range contains 122 ICD-10-PCS codes for Immobilization procedures on the anatomical regions. 121 of the codes are billable and valid for inpatient claim submission in fiscal year 2026.
Root Operation Definition
Immobilization: Limiting or preventing motion of a body region.
Codes in the 2W3 Range 122 codes · 121 billable
- 2W3 Placement, Anatomical Regions, ImmobilizationNon-billable header
- 2W30X1Z Immobilization of Head using Splint
- 2W30X2Z Immobilization of Head using Cast
- 2W30X3Z Immobilization of Head using Brace
- 2W30XYZ Immobilization of Head using Other Device
- 2W31X1Z Immobilization of Face using Splint
- 2W31X2Z Immobilization of Face using Cast
- 2W31X3Z Immobilization of Face using Brace
- 2W31X9Z Immobilization of Face using Wire
- 2W31XYZ Immobilization of Face using Other Device
- 2W32X1Z Immobilization of Neck using Splint
- 2W32X2Z Immobilization of Neck using Cast
- 2W32X3Z Immobilization of Neck using Brace
- 2W32XYZ Immobilization of Neck using Other Device
- 2W33X1Z Immobilization of Abdominal Wall using Splint
- 2W33X2Z Immobilization of Abdominal Wall using Cast
- 2W33X3Z Immobilization of Abdominal Wall using Brace
- 2W33XYZ Immobilization of Abdominal Wall using Other Device
- 2W34X1Z Immobilization of Chest Wall using Splint
- 2W34X2Z Immobilization of Chest Wall using Cast
- 2W34X3Z Immobilization of Chest Wall using Brace
- 2W34XYZ Immobilization of Chest Wall using Other Device
- 2W35X1Z Immobilization of Back using Splint
- 2W35X2Z Immobilization of Back using Cast
- 2W35X3Z Immobilization of Back using Brace
- 2W35XYZ Immobilization of Back using Other Device
- 2W36X1Z Immobilization of Right Inguinal Region using Splint
- 2W36X2Z Immobilization of Right Inguinal Region using Cast
- 2W36X3Z Immobilization of Right Inguinal Region using Brace
- 2W36XYZ Immobilization of Right Inguinal Region using Other Device
- 2W37X1Z Immobilization of Left Inguinal Region using Splint
- 2W37X2Z Immobilization of Left Inguinal Region using Cast
- 2W37X3Z Immobilization of Left Inguinal Region using Brace
- 2W37XYZ Immobilization of Left Inguinal Region using Other Device
- 2W38X1Z Immobilization of Right Upper Extremity using Splint
- 2W38X2Z Immobilization of Right Upper Extremity using Cast
- 2W38X3Z Immobilization of Right Upper Extremity using Brace
- 2W38XYZ Immobilization of Right Upper Extremity using Other Device
- 2W39X1Z Immobilization of Left Upper Extremity using Splint
- 2W39X2Z Immobilization of Left Upper Extremity using Cast
- 2W39X3Z Immobilization of Left Upper Extremity using Brace
- 2W39XYZ Immobilization of Left Upper Extremity using Other Device
- 2W3AX1Z Immobilization of Right Upper Arm using Splint
- 2W3AX2Z Immobilization of Right Upper Arm using Cast
- 2W3AX3Z Immobilization of Right Upper Arm using Brace
- 2W3AXYZ Immobilization of Right Upper Arm using Other Device
- 2W3BX1Z Immobilization of Left Upper Arm using Splint
- 2W3BX2Z Immobilization of Left Upper Arm using Cast
- 2W3BX3Z Immobilization of Left Upper Arm using Brace
- 2W3BXYZ Immobilization of Left Upper Arm using Other Device
- 2W3CX1Z Immobilization of Right Lower Arm using Splint
- 2W3CX2Z Immobilization of Right Lower Arm using Cast
- 2W3CX3Z Immobilization of Right Lower Arm using Brace
- 2W3CXYZ Immobilization of Right Lower Arm using Other Device
- 2W3DX1Z Immobilization of Left Lower Arm using Splint
- 2W3DX2Z Immobilization of Left Lower Arm using Cast
- 2W3DX3Z Immobilization of Left Lower Arm using Brace
- 2W3DXYZ Immobilization of Left Lower Arm using Other Device
- 2W3EX1Z Immobilization of Right Hand using Splint
- 2W3EX2Z Immobilization of Right Hand using Cast
- 2W3EX3Z Immobilization of Right Hand using Brace
- 2W3EXYZ Immobilization of Right Hand using Other Device
- 2W3FX1Z Immobilization of Left Hand using Splint
- 2W3FX2Z Immobilization of Left Hand using Cast
- 2W3FX3Z Immobilization of Left Hand using Brace
- 2W3FXYZ Immobilization of Left Hand using Other Device
- 2W3GX1Z Immobilization of Right Thumb using Splint
- 2W3GX2Z Immobilization of Right Thumb using Cast
- 2W3GX3Z Immobilization of Right Thumb using Brace
- 2W3GXYZ Immobilization of Right Thumb using Other Device
- 2W3HX1Z Immobilization of Left Thumb using Splint
- 2W3HX2Z Immobilization of Left Thumb using Cast
- 2W3HX3Z Immobilization of Left Thumb using Brace
- 2W3HXYZ Immobilization of Left Thumb using Other Device
- 2W3JX1Z Immobilization of Right Finger using Splint
- 2W3JX2Z Immobilization of Right Finger using Cast
- 2W3JX3Z Immobilization of Right Finger using Brace
- 2W3JXYZ Immobilization of Right Finger using Other Device
- 2W3KX1Z Immobilization of Left Finger using Splint
- 2W3KX2Z Immobilization of Left Finger using Cast
- 2W3KX3Z Immobilization of Left Finger using Brace
- 2W3KXYZ Immobilization of Left Finger using Other Device
- 2W3LX1Z Immobilization of Right Lower Extremity using Splint
- 2W3LX2Z Immobilization of Right Lower Extremity using Cast
- 2W3LX3Z Immobilization of Right Lower Extremity using Brace
- 2W3LXYZ Immobilization of Right Lower Extremity using Other Device
- 2W3MX1Z Immobilization of Left Lower Extremity using Splint
- 2W3MX2Z Immobilization of Left Lower Extremity using Cast
- 2W3MX3Z Immobilization of Left Lower Extremity using Brace
- 2W3MXYZ Immobilization of Left Lower Extremity using Other Device
- 2W3NX1Z Immobilization of Right Upper Leg using Splint
- 2W3NX2Z Immobilization of Right Upper Leg using Cast
- 2W3NX3Z Immobilization of Right Upper Leg using Brace
- 2W3NXYZ Immobilization of Right Upper Leg using Other Device
- 2W3PX1Z Immobilization of Left Upper Leg using Splint
- 2W3PX2Z Immobilization of Left Upper Leg using Cast
- 2W3PX3Z Immobilization of Left Upper Leg using Brace
- 2W3PXYZ Immobilization of Left Upper Leg using Other Device
- 2W3QX1Z Immobilization of Right Lower Leg using Splint
- 2W3QX2Z Immobilization of Right Lower Leg using Cast
- 2W3QX3Z Immobilization of Right Lower Leg using Brace
- 2W3QXYZ Immobilization of Right Lower Leg using Other Device
- 2W3RX1Z Immobilization of Left Lower Leg using Splint
- 2W3RX2Z Immobilization of Left Lower Leg using Cast
- 2W3RX3Z Immobilization of Left Lower Leg using Brace
- 2W3RXYZ Immobilization of Left Lower Leg using Other Device
- 2W3SX1Z Immobilization of Right Foot using Splint
- 2W3SX2Z Immobilization of Right Foot using Cast
- 2W3SX3Z Immobilization of Right Foot using Brace
- 2W3SXYZ Immobilization of Right Foot using Other Device
- 2W3TX1Z Immobilization of Left Foot using Splint
- 2W3TX2Z Immobilization of Left Foot using Cast
- 2W3TX3Z Immobilization of Left Foot using Brace
- 2W3TXYZ Immobilization of Left Foot using Other Device
- 2W3UX1Z Immobilization of Right Toe using Splint
- 2W3UX2Z Immobilization of Right Toe using Cast
- 2W3UX3Z Immobilization of Right Toe using Brace
- 2W3UXYZ Immobilization of Right Toe using Other Device
- 2W3VX1Z Immobilization of Left Toe using Splint
- 2W3VX2Z Immobilization of Left Toe using Cast
- 2W3VX3Z Immobilization of Left Toe using Brace
- 2W3VXYZ Immobilization of Left Toe using Other Device
About the 2W3 Code Range
The ICD-10-PCS root operation Immobilization (code starting with 2W3) refers to placing a device on an anatomical region to restrict movement. This operation is classified under Placement, emphasizing its role in stabilizing body parts without altering their structure.
Immobilization is commonly applied to various regions such as the Head, Face, Neck, Chest Wall, Back, and multiple limbs including the Upper Extremities, Lower Extremities, Hands, Fingers, Feet, and Toes. Devices used include Splints, Casts, Braces, Wire, or other specialized immobilizing tools, as seen in codes like 2W30X1Z for immobilizing the head with a splint, 2W31X9Z for immobilizing the face with wire, or 2W3MX3Z for immobilization of the left lower extremity using a brace. Each code specifies the body part and device used, allowing precise documentation of the immobilization procedure. Accurate coding is essential for reflecting the intent and method of restricting movement for therapeutic or protective purposes within the ICD-10-PCS system.
Questions About This Page
How many billable codes are in the 2W3 range?
Of the 122 codes in this range, 121 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 2W3 range classify?
The range classifies Immobilization procedures, limiting or preventing motion of a body region, performed on the anatomical regions. Each code adds the body part, approach, device, and qualifier in characters four through seven, and links to its own reference page.
Related References
Source: CMS FY 2026 ICD-10-PCS order file and code tables, effective October 1, 2025 through September 30, 2026.
