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Inpatient Procedure Code

0NTN0ZZ ICD-10-PCS Code: Resection of Left Zygomatic Bone, Open 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 OperationT

Resection

Cutting out or off, without replacement, all of a body part

4
Body PartN

Zygomatic Bone, Left

5
Approach0

Open

6
DeviceZ

No Device

7
QualifierZ

No Qualifier

MS-DRG Grouper Relationships (FY2026)

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.

0NTJ0ZZ — Resection of Left Lacrimal Bone, Open Approach, 0NTK0ZZ — Resection of Right Palatine Bone, Open Approach, 0NTL0ZZ — Resection of Left Palatine Bone, Open Approach, 0NTM0ZZ — Resection of Right Zygomatic Bone, Open Approach, 0NTP0ZZ — Resection of Right Orbit, Open Approach, 0NTQ0ZZ — Resection of Left Orbit, Open Approach, 0NTR0ZZ — Resection of Maxilla, Open Approach, 0NTT0ZZ — Resection of Right Mandible, Open Approach, +13 more

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Bone excision (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.

0NDK0ZZ — Extraction of Right Palatine Bone, Open Approach, 0NDL0ZZ — Extraction of Left Palatine Bone, Open Approach, 0NDM0ZZ — Extraction of Right Zygomatic Bone, Open Approach, 0NDN0ZZ — Extraction of Left Zygomatic Bone, Open Approach, 0NDP0ZZ — Extraction of Right Orbit, Open Approach, 0NDQ0ZZ — Extraction of Left Orbit, Open Approach, 0NDR0ZZ — Extraction of Maxilla, Open Approach, 0NDT0ZZ — Extraction of Right Mandible, Open Approach, 0NDV0ZZ — Extraction of Left Mandible, Open Approach, 0NDX0ZZ — Extraction of Hyoid Bone, Open Approach, 0P500ZZ — Destruction of Sternum, Open Approach, 0P503ZZ — Destruction of Sternum, Percutaneous Approach, 0P504ZZ — Destruction of Sternum, Percutaneous Endoscopic Approach, 0P510ZZ — Destruction of 1 to 2 Ribs, Open Approach, 0P513ZZ — Destruction of 1 to 2 Ribs, Percutaneous Approach, 0P514ZZ — Destruction of 1 to 2 Ribs, Percutaneous Endoscopic Approach, 0P520ZZ — Destruction of 3 or More Ribs, Open Approach, 0P523ZZ — Destruction of 3 or More Ribs, Percutaneous Approach, 0P524ZZ — Destruction of 3 or More Ribs, Percutaneous Endoscopic Approach, 0P530Z3 — Destruction of Cervical Vertebra using Laser Interstitial Thermal Therapy, Open Approach, +571 more

Contextual Map

Every relationship of 0NTN0ZZ 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 0NTN0ZZ with these 5 related codes in Claim Check

PCS table

MS-DRG participation (12)

Clinical classification (CCSR)

  • MST018 — Bone excision[CCSR category]: “Bone excision — Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1

MDC crossing · diagnoses (33179)

  • 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 · FY2026
  • 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 · FY2026
  • 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) · FY2026
  • 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) · FY2026
  • 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) · FY2026
  • 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) · FY2026
  • 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) · FY2026
  • and 33174 more

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