Skip to content
Dx

ICD-10-PCS 2027 procedure code

0HN2XZZRelease Right Ear Skin, External 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 0HN2XZZ

0HN2XZZ is the ICD-10-PCS code for a release procedure on the skin, right ear using an external approach. In ICD-10-PCS, release means freeing a body part from an abnormal physical constraint by cutting or by the use of force.

In plain terms, this corresponds to other plastic repair of external ear, the ICD-9-CM procedure title it maps to (18.79).

For a different body part, codes include 0HN0XZZ (skin, scalp), 0HN1XZZ (skin, face), 0HN3XZZ (skin, left ear), 0HN4XZZ (skin, neck), 0HN5XZZ (skin, chest), 0HN6XZZ (skin, back) and 20 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 579 (Other Skin, Subcutaneous Tissue and Breast Procedures with MCC), DRG 580 (Other Skin, Subcutaneous Tissue and Breast Procedures with CC) and DRG 581 (Other Skin, Subcutaneous Tissue and Breast Procedures without CC/MCC), under the surgical categories “Other Ear, Nose, Mouth and Throat O.R. Procedures”, “Other Skin, Subcutaneous Tissue and Breast 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
HSkin and Breast
3. Operation
NRelease

Freeing a body part from an abnormal physical constraint by cutting or by the use of force

Some of the restraining tissue may be taken out but none of the body part is taken out

Includes: Adhesiolysis, carpal tunnel release

4. Body Part
2Skin, Right Ear
5. Approach
XExternal

Procedures performed directly on the skin or mucous membrane and procedures performed indirectly by the application of external force through the skin or mucous membrane

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 →
  • 18.79Other plastic repair of external earapproximate

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 0HN2XZZ

Is 0HN2XZZ a valid ICD-10-PCS code for 2027?

Yes. 0HN2XZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0HN2XZZ an O.R. procedure?

Yes. 0HN2XZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 0HN2XZZ group to?

Depending on the principal diagnosis, 0HN2XZZ can group to MS-DRG 143, MS-DRG 144, MS-DRG 145, MS-DRG 579, MS-DRG 580 and MS-DRG 581.

What is the ICD-9 procedure code for 0HN2XZZ?

The CMS GEMs map 0HN2XZZ to ICD-9-CM 18.79 (Other plastic repair of external ear).