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ICD-10-PCS 2027 procedure code

0KB40ZXExcision of Tongue, Palate, Pharynx Muscle, Open Approach, Diagnostic

✓ Valid for 2027O.R. procedure

Short description: Excision of Tongue/Palate/Phar Muscle, Open Approach, Diagn

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 0KB40ZX

0KB40ZX is the ICD-10-PCS code for a excision procedure on the tongue, palate, pharynx muscle using an open approach (qualifier: diagnostic). In ICD-10-PCS, excision means cutting out or off, without replacement, a portion of a body part.

In plain terms, this corresponds to open biopsy of soft tissue, the ICD-9-CM procedure title it maps to (83.21).

For a different body part, codes include 0KB00ZX (head muscle), 0KB10ZX (facial muscle), 0KB20ZX (right neck muscle), 0KB30ZX (left neck muscle), 0KB50ZX (right shoulder muscle), 0KB60ZX (left shoulder muscle) and 21 more.

The same procedure with a different approach is coded 0KB43ZX (percutaneous) and 0KB44ZX (percutaneous endoscopic).

It is an operating-room procedure in the MS-DRG logic for DRG 040 (Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC), DRG 041 (Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator), DRG 042 (Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC), DRG 500 (Soft Tissue Procedures with MCC), DRG 501 (Soft Tissue Procedures with CC) and DRG 502 (Soft Tissue Procedures without CC/MCC), under the surgical categories “Peripheral, Cranial Nerve and Other Nervous System Procedures”, “Soft Tissue Procedures”, “Other Skin, Subcutaneous Tissue and Breast Procedures” 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
KMuscles
3. Operation
BExcision

Cutting out or off, without replacement, a portion of a body part

The qualifier DIAGNOSTIC is used to identify excision procedures that are biopsies

Includes: Partial nephrectomy, liver biopsy

4. Body Part
4Tongue, Palate, Pharynx Muscle

Includes: Chondroglossus muscle; Genioglossus muscle; Hyoglossus muscle; Inferior longitudinal muscle; Levator veli palatini muscle; Palatoglossal muscle; Palatopharyngeal muscle; Pharyngeal constrictor muscle; Salpingopharyngeus muscle; Styloglossus muscle; Stylopharyngeus muscle; Superior longitudinal muscle; Tensor veli palatini muscle

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
XDiagnostic

Other versions of this procedure

Different qualifier

MS-DRG v44.0 grouping

All DRGs →

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

MDC 08 · Diseases and Disorders of the Musculoskeletal System and Connective Tissue · Soft Tissue Procedures

ICD-9-CM equivalent

Converter →
  • 83.21Open biopsy of soft tissueapproximate

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 0KB40ZX

Is 0KB40ZX a valid ICD-10-PCS code for 2027?

Yes. 0KB40ZX is valid for inpatient procedures from October 1, 2026 through September 30, 2027.

Is 0KB40ZX an O.R. procedure?

Yes. 0KB40ZX is an O.R. procedure in MS-DRG v44.0.

What DRG does 0KB40ZX group to?

Depending on the principal diagnosis, 0KB40ZX can group to MS-DRG 040, MS-DRG 041, MS-DRG 042, MS-DRG 500, MS-DRG 501 and MS-DRG 502.

What is the ICD-9 procedure code for 0KB40ZX?

The CMS GEMs map 0KB40ZX to ICD-9-CM 83.21 (Open biopsy of soft tissue).