0NS4XZZReposition Left Parietal Bone, External Approach

  • Billable / Specific Code
ICD-10-PCS 0NS4XZZ
CMS Source: FY 2026 ICD-10-PCS dataset. Effective Oct 1, 2025 – Sep 30, 2026.FacebookXLinkedInPrint

0NS4XZZ is a billable ICD-10-PCS procedure code for Reposition Left Parietal Bone, External Approach. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026). 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
0NS4XZZ
Billable Status
Yes — Valid for Submission
Code Describes
Reposition Left Parietal Bone, External Approach
Parent Code
Short Description
Reposition Left Parietal Bone, External 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 SystemNHead and Facial Bones
3OperationSReposition
4BodyPart4Parietal Bone, Left
5ApproachXExternal
6DeviceZNo Device
7QualifierZNo Qualifier

Convert to ICD-9-PCS

Closest ICD-9-PCS equivalents for 0NS4XZZ under the General Equivalence Mappings.

20.2
Approximate match.

Similar Procedure Codes

Questions About 0NS4XZZ

Is 0NS4XZZ a billable code?

Yes. 0NS4XZZ is a complete seven-character ICD-10-PCS code, specific enough to report Reposition Left Parietal Bone, External Approach on inpatient claims from October 1, 2025 through September 30, 2026.

What do the characters in 0NS4XZZ mean?

0NS4XZZ breaks down character by character: the 1st character 0 is the Section (Medical and Surgical); the 2nd character N is the Body System (Head and Facial Bones); the 3rd character S is the Operation (Reposition); the 4th character 4 is the BodyPart (Parietal Bone, Left); the 5th character X is the Approach (External); the 6th character Z is the Device (No Device); the 7th character Z is the Qualifier (No Qualifier).

What is the ICD-9-PCS equivalent of 0NS4XZZ?

Under the General Equivalence Mappings, Reposition Left Parietal Bone, External Approach crosswalks to ICD-9-PCS 20.2. The mapping is approximate, so confirm it fits the documentation.