0PN40ZZRelease Thoracic Vertebra, Open Approach

Medical and Surgical›Upper Bones›Release
  • Billable / Specific Code
ICD-10-PCS 0PN40ZZ
CMS Source: FY 2027 ICD-10-PCS dataset. Effective Oct 1, 2026 – Sep 30, 2027.FacebookXLinkedInPrint

0PN40ZZ is a billable ICD-10-PCS procedure code for Release Thoracic Vertebra, Open Approach. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRGs 515, 516, 517. 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 Musculoskeletal procedures, NEC.

Code Identity

ICD-10-PCS Code
0PN40ZZ
Billable Status
Yes — Valid for Submission
Code Describes
Release Thoracic Vertebra, Open Approach
Short Description
Release Thoracic Vertebra, Open Approach
Same as the full description in the CMS dataset.
Parent Code
0PN

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 SystemPUpper Bones
3OperationNRelease
4BodyPart4Thoracic Vertebra
5Approach0Open
6DeviceZNo Device
7QualifierZNo Qualifier

In the ICD-10-PCS Alphabetic Index

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

Condylysis
Leads to this code's table
Osteolysis
Leads to this code's table
Vertebral arch
Anatomy or device term that leads here
Vertebral body
Anatomy or device term that leads here
Spinous process
Anatomy or device term that leads here
Vertebral lamina
Anatomy or device term that leads here
Vertebral foramen
Anatomy or device term that leads here
Vertebral pedicle
Anatomy or device term that leads here
Transverse process
Anatomy or device term that leads here
Release, Vertebra, Thoracic
Leads to this code's table

To code release of the thoracic vertebra, open the FY 2027 ICD-10-PCS Alphabetic Index at Release, then the subterms Vertebra, Thoracic. The index leads to table 0PN, where the approach, device and qualifier values shown in the breakdown above complete the seven-character code 0PN40ZZ.

Browse the full ICD-10-PCS Alphabetic Index →

Clinical Classification (CCSR)

AHRQ groups this procedure code into these clinical categories.

MST030
Musculoskeletal procedures, NEC
Clinical domain: Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures

Convert to ICD-9-PCS

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

78.49
Other repair or plastic operations on bone, other bones
Approximate match.

Similar Procedure Codes

Questions About 0PN40ZZ

Is 0PN40ZZ a billable code?

Yes. This is a complete seven-character ICD-10-PCS code, specific enough to report Release Thoracic Vertebra, Open Approach on inpatient claims from October 1, 2026 through September 30, 2027.

What do the characters in 0PN40ZZ mean?

The code breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character P is the Body System (Upper Bones); the 3rd character N is the Operation (Release); the 4th character 4 is the BodyPart (Thoracic Vertebra); the 5th character 0 is the Approach (Open); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 0PN40ZZ group to?

On an inpatient stay, Release Thoracic Vertebra, Open Approach maps to MS-DRGs 515, 516, 517, with relative weights from 1.5728 to 3.1892. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 0PN40ZZ?

Under the General Equivalence Mappings, Release Thoracic Vertebra, Open Approach crosswalks to ICD-9-PCS 78.49 (Other repair or plastic operations on bone, other bones). The mapping is approximate, so confirm it fits the documentation.