0PSS04ZReposition Left Thumb Phalanx with Internal Fixation Device, Open Approach

  • Billable / Specific Code
ICD-10-PCS 0PSS04Z
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

0PSS04Z is a billable ICD-10-PCS procedure code for Reposition Left Thumb Phalanx with Internal Fixation Device, Open Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to 5 MS-DRGs. The root operation Reposition involves moving to its normal location, or other suitable location, all or a portion of a body part.

Code Identity

ICD-10-PCS Code
0PSS04Z
Billable Status
Yes — Valid for Submission
Code Describes
Reposition Left Thumb Phalanx with Internal Fixation Device, Open Approach
Parent Code
Short Description
Reposition Left Thumb Phalanx with Int Fix, 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 SystemPUpper Bones
3OperationSReposition
4BodyPartSThumb Phalanx, Left
5Approach0Open
6Device4Internal Fixation Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0PSS04Z under the General Equivalence Mappings.

79.34
Approximate match.

Similar Procedure Codes

Questions About 0PSS04Z

Is 0PSS04Z a billable code?

Yes. 0PSS04Z is a complete seven-character ICD-10-PCS code, specific enough to report Reposition Left Thumb Phalanx with Internal Fixation Device, Open Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 0PSS04Z mean?

0PSS04Z 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 S is the Operation (Reposition); the 4th character S is the BodyPart (Thumb Phalanx, Left); the 5th character 0 is the Approach (Open); the 6th character 4 is the Device (Internal Fixation Device); the 7th character Z is the Qualifier (No Qualifier).

What MS-DRG does 0PSS04Z group to?

On an inpatient stay, Reposition Left Thumb Phalanx with Internal Fixation Device, Open Approach maps to MS-DRGs 513, 514, 957, 958, 959, with relative weights from 1.0223 to 7.6199. The MS-DRG sets the fixed Medicare payment for the stay.

What is the ICD-9-PCS equivalent of 0PSS04Z?

Under the General Equivalence Mappings, Reposition Left Thumb Phalanx with Internal Fixation Device, Open Approach crosswalks to ICD-9-PCS 79.34. The mapping is approximate, so confirm it fits the documentation.