0HNU7ZZRelease Left Breast, Via Natural or Artificial Opening

  • Billable / Specific Code
ICD-10-PCS 0HNU7ZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

0HNU7ZZ is a billable ICD-10-PCS procedure code for Release Left Breast, Via Natural or Artificial Opening. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRGs 584, 585. The root operation Release involves freeing a body part from an abnormal physical constraint by cutting or by the use of force.

Code Identity

ICD-10-PCS Code
0HNU7ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Release Left Breast, Via Natural or Artificial Opening
Parent Code
Short Description
Release Left Breast, Via Natural or Artificial Opening

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
3OperationNRelease
4BodyPartUBreast, Left
5Approach7Via Natural or Artificial Opening
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0HNU7ZZ under the General Equivalence Mappings.

85.89
Approximate match.

Similar Procedure Codes

Questions About 0HNU7ZZ

Is 0HNU7ZZ a billable code?

Yes. 0HNU7ZZ is a complete seven-character ICD-10-PCS code, specific enough to report Release Left Breast, Via Natural or Artificial Opening on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 0HNU7ZZ mean?

0HNU7ZZ 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 U is the BodyPart (Breast, Left); the 5th character 7 is the Approach (Via Natural or Artificial Opening); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 0HNU7ZZ group to?

On an inpatient stay, Release Left Breast, Via Natural or Artificial Opening maps to MS-DRGs 584, 585, with relative weights from 1.9291 to 2.1407. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 0HNU7ZZ?

Under the General Equivalence Mappings, Release Left Breast, Via Natural or Artificial Opening crosswalks to ICD-9-PCS 85.89. The mapping is approximate, so confirm it fits the documentation.