2W3HX2ZImmobilization of Left Thumb using Cast
- Billable / Specific Code
2W3HX2Z is a billable ICD-10-PCS procedure code for Immobilization of Left Thumb using Cast. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Immobilization involves limiting or preventing motion of a body region. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Immobilization by splint or other external device.
Code Identity
PCS Table Breakdown
Each ICD-10-PCS code is built from seven characters, each an axis of the procedure. Hover or tap the icons for the official CMS definitions.
| Position | Designation | Value | Meaning |
|---|---|---|---|
| 1 | Section | 2 | Placement |
| 2 | Body System | W | Anatomical Regions |
| 3 | Operation | 3 | Immobilization |
| 4 | BodyRegion | H | Thumb, Left |
| 5 | Approach | X | External |
| 6 | Device | 2 | Cast |
| 7 | Qualifier | Z | No Qualifier |
In the ICD-10-PCS Alphabetic Index
These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:
To code immobilization of the left thumb, open the FY 2027 ICD-10-PCS Alphabetic Index at Immobilization, then the subterms Thumb, Left. The index leads to table 2W3, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 2W3HX2Z.
Clinical Classification (CCSR)
AHRQ groups this procedure code into these clinical categories.
Convert to ICD-9-PCS
Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.
Similar Procedure Codes
Questions About 2W3HX2Z
Is 2W3HX2Z a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Immobilization of Left Thumb using Cast on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 2W3HX2Z mean?
The code breaks down character by character: the 1st character 2 is the Section (Placement); the 2nd character W is the Body System (Anatomical Regions); the 3rd character 3 is the Operation (Immobilization); the 4th character H is the BodyRegion (Thumb, Left); the 5th character X is the Approach (External); the 6th character 2 is the Device (Cast); the 7th character Z is the Qualifier (No Qualifier).
What is the ICD-9-PCS equivalent of 2W3HX2Z?
Under the General Equivalence Mappings, Immobilization of Left Thumb using Cast crosswalks to ICD-9-PCS 93.53 (Application of other cast). The mapping is approximate, so confirm it fits the documentation.
