Skip to main content
Inpatient Procedure Code

0NSR0ZZ ICD-10-PCS Code: Reposition Maxilla, Open Approach

Check this code on a claim

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 OperationS

Reposition

Moving to its normal location, or other suitable location, all or a portion of a body part

4
Body PartR

Maxilla

5
Approach0

Open

6
DeviceZ

No Device

7
QualifierZ

No Qualifier

MS-DRG Grouper Relationships (FY2027)

Potential MS-DRG participation — not a DRG assignment.

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 12 MS-DRGs:

From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.

Related Codes

Same operation — other Body Part

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

0NSL0ZZ — Reposition Left Palatine Bone, Open Approach, 0NSM0ZZ — Reposition Right Zygomatic Bone, Open Approach, 0NSN0ZZ — Reposition Left Zygomatic Bone, Open Approach, 0NSP0ZZ — Reposition Right Orbit, Open Approach, 0NSQ0ZZ — Reposition Left Orbit, Open Approach, 0NST0ZZ — Reposition Right Mandible, Open Approach, 0NSV0ZZ — Reposition Left Mandible, Open Approach, 0NSX0ZZ — Reposition Hyoid Bone, Open Approach, +14 more

Same operation — other Approach

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

0NSR3ZZ — Reposition Maxilla, Percutaneous Approach, 0NSR4ZZ — Reposition Maxilla, Percutaneous Endoscopic Approach, 0NSRXZZ — Reposition Maxilla, External Approach

Same operation — other Device

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

0NSR04Z — Reposition Maxilla with Internal Fixation Device, Open Approach, 0NSR05Z — Reposition Maxilla with External Fixation Device, Open 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.

0NPBX4Z — Removal of Internal Fixation Device from Nasal Bone, External Approach, 0NPBX5Z — Removal of External Fixation Device from Nasal Bone, External Approach, 0NPW04Z — Removal of Internal Fixation Device from Facial Bone, Open Approach, 0NPW05Z — Removal of External Fixation Device from Facial Bone, Open Approach, 0NPW34Z — Removal of Internal Fixation Device from Facial Bone, Percutaneous Approach, 0NPW35Z — Removal of External Fixation Device from Facial Bone, Percutaneous Approach, 0NPW44Z — Removal of Internal Fixation Device from Facial Bone, Percutaneous Endoscopic Approach, 0NPW45Z — Removal of External Fixation Device from Facial Bone, Percutaneous Endoscopic Approach, 0NPWX4Z — Removal of Internal Fixation Device from Facial Bone, External Approach, 0NPWX5Z — Removal of External Fixation Device from Facial Bone, External Approach, 0NW004Z — Revision of Internal Fixation Device in Skull, Open Approach, 0NW005Z — Revision of External Fixation Device in Skull, Open Approach, 0NW034Z — Revision of Internal Fixation Device in Skull, Percutaneous Approach, 0NW035Z — Revision of External Fixation Device in Skull, Percutaneous Approach, 0NW044Z — Revision of Internal Fixation Device in Skull, Percutaneous Endoscopic Approach, 0NW045Z — Revision of External Fixation Device in Skull, Percutaneous Endoscopic Approach, 0NW0X4Z — Revision of Internal Fixation Device in Skull, External Approach, 0NW0X5Z — Revision of External Fixation Device in Skull, External Approach, 0NWB04Z — Revision of Internal Fixation Device in Nasal Bone, Open Approach, 0NWB05Z — Revision of External Fixation Device in Nasal Bone, Open Approach, +408 more

Contextual Map

Every relationship of 0NSR0ZZ 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.

Run 0NSR0ZZ with these 5 related codes in Claim Check

PCS table

MS-DRG participation (12)

Clinical classification (CCSR)

MDC crossing · diagnoses (33240)

  • MDC 03 — Diseases and Disorders of the Ear, Nose, Mouth and Throat[MDC crossing]: “Diseases and Disorders of the Ear, Nose, Mouth and Throat — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”— CMS MS-DRG Definitions Manual · FY2027
  • MDC 08 — Diseases and Disorders of the Musculoskeletal System and Connective Tissue[MDC crossing]: “Diseases and Disorders of the Musculoskeletal System and Connective Tissue — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”— CMS MS-DRG Definitions Manual · FY2027
  • A18.6 — Tuberculosis of (inner) (middle) ear[Same-MDC diagnosis]: “Tuberculosis of (inner) (middle) ear — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • A36.0 — Pharyngeal diphtheria[Same-MDC diagnosis]: “Pharyngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • A36.1 — Nasopharyngeal diphtheria[Same-MDC diagnosis]: “Nasopharyngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • A36.2 — Laryngeal diphtheria[Same-MDC diagnosis]: “Laryngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • A54.5 — Gonococcal pharyngitis[Same-MDC diagnosis]: “Gonococcal pharyngitis — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2027
  • and 33235 more

Nearest codes

Change history

Change history

  • FY2018 — October 1, 2017
    Description revised
    Reposition Right Maxilla, Open Approach → Reposition Maxilla, Open Approach
    FY2018 changes

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2027; CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44; 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 · How MedCoder verifies its implementation

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources