0HNRXZZRelease Toe Nail, External Approach
- Billable / Specific Code
0HNRXZZ is a billable ICD-10-PCS procedure code for Release Toe Nail, External Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 6 MS-DRGs. The root operation Release involves freeing a body part from an abnormal physical constraint by cutting or by the use of force. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Nail procedures.
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 | N | Release |
| 4 | BodyPart | R | Toe Nail |
| 5 | Approach | X | External |
| 6 | Device | Z | No Device |
| 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 release of the toe nail, open the FY 2027 ICD-10-PCS Alphabetic Index at Release, then the subterm Toe Nail. The entry lists 0HNRXZZ directly as a complete, billable 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.
Questions About 0HNRXZZ
Is 0HNRXZZ a billable code?
Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Release Toe Nail, External Approach on inpatient claims from October 1, 2026 through September 30, 2027.
What is the ICD-10-PCS code for release of the toe nail?
The FY 2027 ICD-10-PCS Alphabetic Index entry Release, Toe Nail is a direct entry for 0HNRXZZ, Release Toe Nail, External Approach, billable on inpatient claims from October 1, 2026 through September 30, 2027.
What do the characters in 0HNRXZZ 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 N is the Operation (Release); the 4th character R is the BodyPart (Toe Nail); the 5th character X is the Approach (External); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).
What MS-DRG does 0HNRXZZ group to?
On an inpatient stay, Release Toe Nail, External Approach maps to MS-DRGs 579, 580, 581, 907, 908, 909, with relative weights from 1.3810 to 3.8962. The MS-DRG sets the fixed Medicare payment for the stay.
What is the ICD-9-PCS equivalent of 0HNRXZZ?
Under the General Equivalence Mappings, Release Toe Nail, External Approach crosswalks to ICD-9-PCS 86.89 (Other repair and reconstruction of skin and subcutaneous tissue). The mapping is approximate, so confirm it fits the documentation.
