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ICD-10-PCS 2027 procedure code

0C1S0F4Bypass Larynx to Cutaneous with Tracheostomy Device, Open Approach

✓ Valid for 2027O.R. procedure

Short description: Bypass Larynx to Cutaneous with Trach Dev, Open Approach

Code last changed in FY2026 (effective October 1, 2025). Source: official FY2027 ICD-10-PCS release from CMS. Page updated September 29, 2026. About our data

About 0C1S0F4

0C1S0F4 is the ICD-10-PCS code for a bypass procedure on the larynx using an open approach with tracheostomy device (qualifier: cutaneous). In ICD-10-PCS, bypass means altering the route of passage of the contents of a tubular body part.

The same procedure with a different approach is coded 0C1S3F4 (percutaneous).

With a different device, use 0C1S0E4 (intraluminal device, endotracheal airway) and 0C1S0Z4 (no device).

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 FY2026, effective October 1, 2025.

What each character means

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

Altering the route of passage of the contents of a tubular body part

Rerouting contents of a body part to a downstream area of the normal route, to a similar route and body part, or to an abnormal route and dissimilar body part. Includes one or more anastomoses, with or without the use of a device

Includes: Coronary artery bypass, colostomy formation

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
FTracheostomy Device
7. Qualifier
4Cutaneous

Other versions of this procedure

Different approach

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
  • FY2026 (effective 10/1/2025): Added
  • No changes since FY2026.

Common questions about 0C1S0F4

Is 0C1S0F4 a valid ICD-10-PCS code for 2027?

Yes. 0C1S0F4 is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0C1S0F4 an O.R. procedure?

Yes. 0C1S0F4 is an O.R. procedure in MS-DRG v44.0.

What DRG does 0C1S0F4 group to?

Depending on the principal diagnosis, 0C1S0F4 can group to MS-DRG 143, MS-DRG 144, MS-DRG 145, MS-DRG 166, MS-DRG 167 and MS-DRG 168.