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Dx

ICD-10-PCS 2027 procedure code

0CSS0ZZReposition Larynx, Open Approach

✓ Valid for 2027O.R. procedure

Code last changed in FY2024 (effective October 1, 2023). Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0CSS0ZZ

0CSS0ZZ is the ICD-10-PCS code for a reposition procedure on the larynx using an open approach. In ICD-10-PCS, reposition means moving to its normal location, or other suitable location, all or a portion of a body part.

For a different body part, codes include 0CS00ZZ (upper lip), 0CS10ZZ (lower lip), 0CS20ZZ (hard palate), 0CS30ZZ (soft palate), 0CS70ZZ (tongue), 0CSB0ZZ (right parotid duct) and 5 more.

The same procedure with a different approach is coded 0CSS7ZZ (via natural or artificial opening) and 0CSS8ZZ (via natural or artificial opening endoscopic).

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 166 (Other Respiratory System O.R. Procedures with MCC), DRG 167 (Other Respiratory System O.R. Procedures with CC) and DRG 168 (Other Respiratory System O.R. Procedures without CC/MCC), under the surgical categories “Other Ear, Nose, Mouth and Throat O.R. Procedures”, “Other Respiratory System O.R. Procedures”, “Other O.R. Procedures for Injuries” and 1 more.

It was added in FY2024, effective October 1, 2023.

What each character means

1. Section
0Medical and Surgical
2. Body System
CMouth and Throat
3. Operation
SReposition

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

The body part is moved to a new location from an abnormal location, or from a normal location where it is not functioning correctly. The body part may or may not be cut out or off to be moved to the new location

Includes: Reposition of undescended testicle, fracture reduction

4. Body Part
SLarynx

Includes: Aryepiglottic fold; Arytenoid cartilage; Corniculate cartilage; Cricoid cartilage; Cricothyroid membrane; Cuneiform cartilage; False vocal cord; Glottis; Rima glottidis; Thyroid cartilage; Ventricular fold

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.

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
  • FY2024 (effective 10/1/2023): Added
  • No changes since FY2024.

Common questions about 0CSS0ZZ

Is 0CSS0ZZ a valid ICD-10-PCS code for 2027?

Yes. 0CSS0ZZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0CSS0ZZ an O.R. procedure?

Yes. 0CSS0ZZ is an O.R. procedure in MS-DRG v44.0.

What DRG does 0CSS0ZZ group to?

Depending on the principal diagnosis, 0CSS0ZZ can group to MS-DRG 143, MS-DRG 144, MS-DRG 145, MS-DRG 166, MS-DRG 167 and MS-DRG 168.