0HWT0NZRevision of Tissue Expander in Right Breast, Open Approach
- Billable / Specific Code
0HWT0NZ is a billable ICD-10-PCS procedure code for Revision of Tissue Expander in Right Breast, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027). The root operation Revision involves correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Breast reconstruction.
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 | 0 | Medical and Surgical |
| 2 | Body System | H | Skin and Breast |
| 3 | Operation | W | Revision |
| 4 | BodyPart | T | Breast, Right |
| 5 | Approach | 0 | Open |
| 6 | Device | N | Tissue Expander |
| 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:
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 0HWT0NZ
Is 0HWT0NZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Revision of Tissue Expander in Right Breast, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0HWT0NZ mean?
The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character H is the Body System (Skin and Breast); the 3rd character W is the Operation (Revision); the 4th character T is the BodyPart (Breast, Right); the 5th character 0 is the Approach (Open); the 6th character N is the Device (Tissue Expander); the 7th character Z is the Qualifier (No Qualifier).
What is the ICD-9-PCS equivalent of 0HWT0NZ?
Under the General Equivalence Mappings, Revision of Tissue Expander in Right Breast, Open Approach crosswalks to ICD-9-PCS 85.0 (Mastotomy). The mapping is approximate, so confirm it fits the documentation.
