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ICD-10-PCS 2027 procedure code

0NTH0ZZResection of Right Lacrimal Bone, Open Approach

✓ Valid for 2027O.R. procedure

Code unchanged since ICD-10-PCS took effect on October 1, 2015. Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0NTH0ZZ

0NTH0ZZ is the ICD-10-PCS code for a resection procedure on the right lacrimal bone using an open approach. In ICD-10-PCS, resection means cutting out or off, without replacement, all of a body part.

In plain terms, this corresponds to other total ostectomy of other facial bone, the ICD-9-CM procedure title it maps to (76.45).

For a different body part, codes include 0NT10ZZ (frontal bone), 0NT30ZZ (right parietal bone), 0NT40ZZ (left parietal bone), 0NT50ZZ (right temporal bone), 0NT60ZZ (left temporal bone), 0NT70ZZ (occipital bone) and 15 more.

It is an operating-room procedure in the MS-DRG logic for DRG 143 (Other Ear, Nose, Mouth and Throat O.R. Procedures with MCC), DRG 144 (Other Ear, Nose, Mouth and Throat O.R. Procedures with CC), DRG 145 (Other Ear, Nose, Mouth and Throat O.R. Procedures without CC/MCC), DRG 515 (Other Musculoskeletal System and Connective Tissue O.R. Procedures with MCC), DRG 516 (Other Musculoskeletal System and Connective Tissue O.R. Procedures with CC) and DRG 517 (Other Musculoskeletal System and Connective Tissue O.R. Procedures without CC/MCC), under the surgical categories “Other Ear, Nose, Mouth and Throat O.R. Procedures”, “Other Musculoskeletal System and Connective Tissue O.R. Procedures”, “Other O.R. Procedures for Injuries” and 1 more.

It has been valid since ICD-10-PCS took effect on October 1, 2015.

What each character means

1. Section
0Medical and Surgical
2. Body System
NHead and Facial Bones
3. Operation
TResection

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

Includes: Total nephrectomy, total lobectomy of lung

4. Body Part
HLacrimal Bone, Right
5. Approach
0Open

Cutting through the skin or mucous membrane and any other body layers necessary to expose the site of the procedure

6. Device
ZNo Device
7. Qualifier
ZNo Qualifier

Other versions of this procedure

MS-DRG v44.0 grouping

All DRGs →

Surgical MS-DRGs this procedure can group to, depending on the principal diagnosis's MDC.

ICD-9-CM equivalent

Converter →
  • 76.45Other total ostectomy of other facial boneapproximate

From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
  • No changes since FY2016.

Common questions about 0NTH0ZZ

Is 0NTH0ZZ a valid ICD-10-PCS code for 2027?

Yes. 0NTH0ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0NTH0ZZ an O.R. procedure?

Yes. 0NTH0ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 0NTH0ZZ group to?

Depending on the principal diagnosis, 0NTH0ZZ can group to MS-DRG 143, MS-DRG 144, MS-DRG 145, MS-DRG 515, MS-DRG 516 and MS-DRG 517.

What is the ICD-9 procedure code for 0NTH0ZZ?

The CMS GEMs map 0NTH0ZZ to ICD-9-CM 76.45 (Other total ostectomy of other facial bone).