ICD-10-PCS 2027 procedure code
0WH33YZInsertion of Other Device into Oral Cavity and Throat, Percutaneous Approach
Short description: Insertion of Oth Dev into Oral Cav & Throat, Perc Approach
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 0WH33YZ
0WH33YZ is the ICD-10-PCS code for a insertion procedure on the oral cavity and throat using a percutaneous approach with other device. In ICD-10-PCS, insertion means putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part.
In plain terms, this corresponds to incision of mouth, unspecified structure, the ICD-9-CM procedure title it maps to (27.92).
For a different body part, codes include 0WH03YZ (head), 0WH13YZ (cranial cavity), 0WH23YZ (face), 0WH43YZ (upper jaw), 0WH53YZ (lower jaw), 0WH63YZ (neck) and 16 more.
The same procedure with a different approach is coded 0WH30YZ (open) and 0WH34YZ (percutaneous endoscopic).
With a different device, use 0WH331Z (radioactive element) and 0WH333Z (infusion device).
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
- WAnatomical Regions, General
- 3. Operation
- HInsertion
Putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part
Includes: Insertion of radioactive implant, insertion of central venous catheter
- 4. Body Part
- 3Oral Cavity and Throat
- 5. Approach
- 3Percutaneous
Entry, by puncture or minor incision, of instrumentation through the skin or mucous membrane and any other body layers necessary to reach the site of the procedure
- 6. Device
- YOther Device
Includes: Alfapump(R) system
- 7. Qualifier
- ZNo Qualifier
Other versions of this procedure
Different body part
Different approach
Different device
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
MDC 09 · Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast · Other Skin, Subcutaneous Tissue and Breast Procedures
MDC 21 · Injuries, Poisonings and Toxic Effects of Drugs · Other O.R. Procedures for Injuries
MDC 24 · Multiple Significant Trauma · Other O.R. Procedures for Multiple Significant Trauma
ICD-9-CM equivalent
Converter →- 27.92Incision of mouth, unspecified structureapproximate
From the CMS 2018 General Equivalence Mappings (GEMs), the final GEMs release.
Code history
- 2016
- 2017
- 2018
- 2019
- 2020
- 2021
- 2022
- 2023
- 2024
- 2025
- 2026
- 2027
- FY2016 (effective 10/1/2015): Added (first year of ICD-10-CM)
- No changes since FY2016.
Common questions about 0WH33YZ
Is 0WH33YZ a valid ICD-10-PCS code for 2027?
- Yes. 0WH33YZ is valid for inpatient procedures from October 1, 2026 through September 30, 2027.
Is 0WH33YZ an O.R. procedure?
- Yes. 0WH33YZ is an O.R. procedure in MS-DRG v44.0.
What DRG does 0WH33YZ group to?
- Depending on the principal diagnosis, 0WH33YZ 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 0WH33YZ?
- The CMS GEMs map 0WH33YZ to ICD-9-CM 27.92 (Incision of mouth, unspecified structure).