0HBU7ZZExcision of Left Breast, Via Natural or Artificial Opening

  • Billable / Specific Code
ICD-10-PCS 0HBU7ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

0HBU7ZZ is a billable ICD-10-PCS procedure code for Excision of Left Breast, Via Natural or Artificial Opening. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to 11 MS-DRGs. The root operation Excision involves cutting out or off, without replacement, a portion of a body part. In AHRQ's Clinical Classifications Software (CCSR), this procedure falls under Mastectomy and lumpectomy.

Code Identity

ICD-10-PCS Code
0HBU7ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Excision of Left Breast, Via Natural or Artificial Opening
Short Description
Excision of Left Breast, Via Natural or Artificial Opening
Same as the full description in the CMS dataset.
Parent Code

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

In the ICD-10-PCS Alphabetic Index

These FY 2027 ICD-10-PCS Alphabetic Index entries lead to this code:

Leads to this code's table
Leads to this code's table
Leads to this code's table
Anatomy or device term that leads here
Anatomy or device term that leads here
Excision, Breast, Left
Leads to this code's table
Reduction, Mammoplasty
Leads to this code's table
Size reduction, breast
Leads to this code's table
Leads to this code's table

To code excision of the left breast, open the FY 2027 ICD-10-PCS Alphabetic Index at Excision, then the subterms Breast, Left. The index leads to table 0HB, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0HBU7ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

SKB003
Mastectomy and lumpectomy
Clinical domain: Skin and Breast Procedures

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for this code under the General Equivalence Mappings.

85.21
Local excision of lesion of breast
Approximate match.

Similar Procedure Codes

Questions About 0HBU7ZZ

Is 0HBU7ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Excision of Left Breast, Via Natural or Artificial Opening on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 0HBU7ZZ 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 B is the Operation (Excision); 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 0HBU7ZZ group to?

On an inpatient stay, Excision of Left Breast, Via Natural or Artificial Opening maps to MS-DRGs 584, 585, 628, 629, 630, 907, 908, 909, 957, 958, 959, with relative weights from 1.3715 to 7.5502. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 0HBU7ZZ?

Under the General Equivalence Mappings, Excision of Left Breast, Via Natural or Artificial Opening crosswalks to ICD-9-PCS 85.21 (Local excision of lesion of breast). The mapping is approximate, so confirm it fits the documentation.