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Inpatient Procedure Code

0NWBX4Z ICD-10-PCS Code: Revision of Internal Fixation Device in Nasal Bone, External Approach

Revision of Int Fix in Nasal Bone, Extern Approach

Axis Breakdown

Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.

PositionValueMeaning
1
Section0

Medical and Surgical

2
Body SystemN

Head and Facial Bones

3
Root OperationW

Revision

Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device

4
Body PartB

Nasal Bone

5
ApproachX

External

6
Device4

Internal Fixation Device

7
QualifierZ

No Qualifier

Related Codes

Same operation — other Body Part

Same table and root operation, differing only in the body part character.

0NW0X4Z — Revision of Internal Fixation Device in Skull, External Approach, 0NWWX4Z — Revision of Internal Fixation Device in Facial Bone, External Approach

Same operation — other Approach

Same table and root operation, differing only in the approach character.

0NWB04Z — Revision of Internal Fixation Device in Nasal Bone, Open Approach, 0NWB34Z — Revision of Internal Fixation Device in Nasal Bone, Percutaneous Approach, 0NWB44Z — Revision of Internal Fixation Device in Nasal Bone, Percutaneous Endoscopic Approach

Same operation — other Device

Same table and root operation, differing only in the device character.

0NWBX0Z — Revision of Drainage Device in Nasal Bone, External Approach, 0NWBX5Z — Revision of External Fixation Device in Nasal Bone, External Approach, 0NWBX7Z — Revision of Autologous Tissue Substitute in Nasal Bone, External Approach, 0NWBXJZ — Revision of Synthetic Substitute in Nasal Bone, External Approach, 0NWBXKZ — Revision of Nonautologous Tissue Substitute in Nasal Bone, External Approach, 0NWBXMZ — Revision of Bone Growth Stimulator in Nasal Bone, External Approach

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Bone fixation (excluding extremities) (Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures); listed here are the members in other PCS tables. Source: Clinical Classifications Software Refined (CCSR), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, November 2025.

0NSV3ZZ — Reposition Left Mandible, Percutaneous Approach, 0NSV44Z — Reposition Left Mandible with Internal Fixation Device, Percutaneous Endoscopic Approach, 0NSV45Z — Reposition Left Mandible with External Fixation Device, Percutaneous Endoscopic Approach, 0NSV4ZZ — Reposition Left Mandible, Percutaneous Endoscopic Approach, 0NSX04Z — Reposition Hyoid Bone with Internal Fixation Device, Open Approach, 0NSX0ZZ — Reposition Hyoid Bone, Open Approach, 0NSX34Z — Reposition Hyoid Bone with Internal Fixation Device, Percutaneous Approach, 0NSX3ZZ — Reposition Hyoid Bone, Percutaneous Approach, 0NSX44Z — Reposition Hyoid Bone with Internal Fixation Device, Percutaneous Endoscopic Approach, 0NSX4ZZ — Reposition Hyoid Bone, Percutaneous Endoscopic Approach, 0PH000Z — Insertion of Rigid Plate Internal Fixation Device into Sternum, Open Approach, 0PH004Z — Insertion of Internal Fixation Device into Sternum, Open Approach, 0PH030Z — Insertion of Rigid Plate Internal Fixation Device into Sternum, Percutaneous Approach, 0PH034Z — Insertion of Internal Fixation Device into Sternum, Percutaneous Approach, 0PH040Z — Insertion of Rigid Plate Internal Fixation Device into Sternum, Percutaneous Endoscopic Approach, 0PH044Z — Insertion of Internal Fixation Device into Sternum, Percutaneous Endoscopic Approach, 0PH104Z — Insertion of Internal Fixation Device into 1 to 2 Ribs, Open Approach, 0PH134Z — Insertion of Internal Fixation Device into 1 to 2 Ribs, Percutaneous Approach, 0PH144Z — Insertion of Internal Fixation Device into 1 to 2 Ribs, Percutaneous Endoscopic Approach, 0PH204Z — Insertion of Internal Fixation Device into 3 or More Ribs, Open Approach, +534 more

Contextual Map

Every relationship of 0NWBX4Z in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

PCS table

Clinical classification (CCSR)

Nearest codes

Change history

No changes recorded for this code. This ledger tracks additions, deletions and description changes from FY2026 (April) onward. Note changes are not tracked.

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2026 (April); CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43; AHRQ HCUP Clinical Classifications Software Refined for ICD-10-PCS Procedures (hcup-us.ahrq.gov/toolssoftware/ccsr/PRCCSR_v2026-1.zip) — v2026.1. All data sources · How to read the labels