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ICD-10-PCS 2027 procedure code

0C01XZZAlteration of Lower Lip, 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 0C01XZZ

0C01XZZ is the ICD-10-PCS code for a alteration procedure on the lower lip using an external approach. In ICD-10-PCS, alteration means modifying the anatomic structure of a body part without affecting the function of the body part.

In plain terms, this corresponds to other plastic repair of mouth, the ICD-9-CM procedure title it maps to (27.59).

For a different body part, codes include 0C00XZZ (upper lip).

With a different device, use 0C01X7Z (autologous tissue substitute), 0C01XJZ (synthetic substitute) and 0C01XKZ (nonautologous tissue substitute).

It is an operating-room procedure in the MS-DRG logic for DRG 137 (Mouth Procedures with CC/MCC), DRG 138 (Mouth 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), DRG 581 (Other Skin, Subcutaneous Tissue and Breast Procedures without CC/MCC) and DRG 907 (Other O.R. Procedures for Injuries with MCC), under the surgical categories “Mouth 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
CMouth and Throat
3. Operation
0Alteration

Modifying the anatomic structure of a body part without affecting the function of the body part

Principal purpose is to improve appearance

Includes: Face lift, breast augmentation

4. Body Part
1Lower Lip

Includes: Frenulum labii inferioris; Labial gland; Vermilion border

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

Different body part

MS-DRG v44.0 grouping

All DRGs →

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

MDC 03 · Diseases and Disorders of the Ear, Nose, Mouth and Throat · Mouth Procedures

ICD-9-CM equivalent

Converter →
  • 27.59Other plastic repair of mouthapproximate

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 0C01XZZ

Is 0C01XZZ a valid ICD-10-PCS code for 2027?

Yes. 0C01XZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0C01XZZ an O.R. procedure?

Yes. 0C01XZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 0C01XZZ group to?

Depending on the principal diagnosis, 0C01XZZ can group to MS-DRG 137, MS-DRG 138, MS-DRG 579, MS-DRG 580, MS-DRG 581 and MS-DRG 907.

What is the ICD-9 procedure code for 0C01XZZ?

The CMS GEMs map 0C01XZZ to ICD-9-CM 27.59 (Other plastic repair of mouth).