0HHW0NZInsertion of Tissue Expander into Right Nipple, Open Approach

  • Billable / Specific Code
ICD-10-PCS 0HHW0NZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

0HHW0NZ is a billable ICD-10-PCS procedure code for Insertion of Tissue Expander into Right Nipple, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 8 MS-DRGs. The root operation Insertion involves putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part.

Code Identity

ICD-10-PCS Code
0HHW0NZ
Billable Status
Yes — Valid for Submission
Code Describes
Insertion of Tissue Expander into Right Nipple, Open Approach
Parent Code
Short Description
Insertion of Tissue Expander into R Nipple, Open Approach

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.

PositionDesignationValueMeaning
1Section0Medical and Surgical
2Body SystemHSkin and Breast
3OperationHInsertion
4BodyPartWNipple, Right
5Approach0Open
6DeviceNTissue Expander
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0HHW0NZ under the General Equivalence Mappings.

85.95
Approximate match.

Similar Procedure Codes

Questions About 0HHW0NZ

Is 0HHW0NZ a billable code?

Yes. 0HHW0NZ is a complete seven-character ICD-10-PCS code, specific enough to report Insertion of Tissue Expander into Right Nipple, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 0HHW0NZ mean?

0HHW0NZ 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 H is the Operation (Insertion); the 4th character W is the BodyPart (Nipple, 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 MS-DRG does 0HHW0NZ group to?

On an inpatient stay, Insertion of Tissue Expander into Right Nipple, Open Approach maps to MS-DRGs 584, 585, 907, 908, 909, 957, 958, 959, with relative weights from 1.3127 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 0HHW0NZ?

Under the General Equivalence Mappings, Insertion of Tissue Expander into Right Nipple, Open Approach crosswalks to ICD-9-PCS 85.95. The mapping is approximate, so confirm it fits the documentation.