0CB40ZZ
Excision of Buccal Mucosa, Open Approach
Axis Breakdown
Every ICD-10-PCS code is exactly seven characters, one per axis. Each character's meaning is defined by its position in the code.
| Position | Value | Meaning |
|---|---|---|
| 1 | Section0 | Medical and Surgical |
| 2 | Body SystemC | Mouth and Throat |
| 3 | Root OperationB | Excision Cutting out or off, without replacement, a portion of a body part |
| 4 | Body Part4 | Buccal Mucosa |
| 5 | Approach0 | Open |
| 6 | DeviceZ | No Device |
| 7 | QualifierZ | No Qualifier |
Potential MS-DRG Relationships (FY2026)
The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 8 MS-DRGs:
- MDC 03 — Mouth Procedures: DRG 137, DRG 138
- MDC 21 — Other O.R. Procedures for Injuries: DRG 907, DRG 908, DRG 909
- MDC 24 — Other O.R. Procedures for Multiple Significant Trauma: DRG 957, DRG 958, DRG 959
From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.
Contextual Map
Every relationship of 0CB40ZZ in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
PCS table
- 0CB[PCS table]
- [object Object] — Section: [object Object] [Section]: “[object Object]”
- [object Object] — Body System: [object Object] [Body System]: “[object Object]”
- [object Object] — Operation: [object Object] [Operation]: “[object Object]”
MS-DRG participation
- DRG 137 — MOUTH PROCEDURES WITH CC/MCC [MS-DRG]: “MOUTH PROCEDURES WITH CC/MCC — Mouth Procedures (MDC 03)”
- DRG 138 — MOUTH PROCEDURES WITHOUT CC/MCC [MS-DRG]: “MOUTH PROCEDURES WITHOUT CC/MCC — Mouth Procedures (MDC 03)”
- DRG 907 — OTHER O.R. PROCEDURES FOR INJURIES WITH MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITH MCC — Other O.R. Procedures for Injuries (MDC 21)”
- DRG 908 — OTHER O.R. PROCEDURES FOR INJURIES WITH CC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITH CC — Other O.R. Procedures for Injuries (MDC 21)”
- DRG 909 — OTHER O.R. PROCEDURES FOR INJURIES WITHOUT CC/MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITHOUT CC/MCC — Other O.R. Procedures for Injuries (MDC 21)”
- DRG 957 — OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITH MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITH MCC — Other O.R. Procedures for Multiple Significant Trauma (MDC 24)”
- DRG 958 — OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITH CC [MS-DRG]: “OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITH CC — Other O.R. Procedures for Multiple Significant Trauma (MDC 24)”
- DRG 959 — OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITHOUT CC/MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR MULTIPLE SIGNIFICANT TRAUMA WITHOUT CC/MCC — Other O.R. Procedures for Multiple Significant Trauma (MDC 24)”
Nearest codes
- 0CB00ZZ — Excision of Upper Lip, Open Approach [One axis away]
- 0CB10ZZ — Excision of Lower Lip, Open Approach [One axis away]
- 0CB20ZZ — Excision of Hard Palate, Open Approach [One axis away]
- 0CB30ZZ — Excision of Soft Palate, Open Approach [One axis away]
- 0CB40ZX — Excision of Buccal Mucosa, Open Approach, Diagnostic [One axis away]
- 0CB43ZZ — Excision of Buccal Mucosa, Percutaneous Approach [One axis away]
- 0CB4XZZ — Excision of Buccal Mucosa, External Approach [One axis away]
- 0CB50ZZ — Excision of Upper Gingiva, Open Approach [One axis away]
Change history
No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.