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ICD-10-PCS/0CW/0CWY0YZ
Inpatient Procedure Code

0CWY0YZ

Revision of Other Device in Mouth and Throat, 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.

PositionValueMeaning
1
Section0

Medical and Surgical

2
Body SystemC

Mouth and Throat

3
Root OperationW

Revision

Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device

4
Body PartY

Mouth and Throat

5
Approach0

Open

6
DeviceY

Other 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 11 MS-DRGs:

From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.

Contextual Map

Every relationship of 0CWY0YZ 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

  • 0CW[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 (11)

  • 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 579 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH MCC [MS-DRG]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH MCC — Other Skin, Subcutaneous Tissue and Breast Procedures (MDC 09)”
  • DRG 580 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC [MS-DRG]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC — Other Skin, Subcutaneous Tissue and Breast Procedures (MDC 09)”
  • DRG 581 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITHOUT CC/MCC [MS-DRG]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITHOUT CC/MCC — Other Skin, Subcutaneous Tissue and Breast Procedures (MDC 09)”
  • 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)”
  • and 3 more

MDC crossing · diagnoses (13279)

  • MDC 03 — Diseases and Disorders of the Ear, Nose, Mouth and Throat [MDC crossing]: “Diseases and Disorders of the Ear, Nose, Mouth and Throat — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
  • MDC 09 — Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast [MDC crossing]: “Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast — the grouper's crossing between diagnoses and procedures: a principal diagnosis sets the MDC, and same-MDC procedures move the stay to its surgical DRGs.”
  • A18.6 — Tuberculosis of (inner) (middle) ear [Same-MDC diagnosis]: “Tuberculosis of (inner) (middle) ear — grouped in MDC 03, the diagnosis side of this code's crossing.” · check together
  • A36.0 — Pharyngeal diphtheria [Same-MDC diagnosis]: “Pharyngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.” · check together
  • A36.1 — Nasopharyngeal diphtheria [Same-MDC diagnosis]: “Nasopharyngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.” · check together
  • A36.2 — Laryngeal diphtheria [Same-MDC diagnosis]: “Laryngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.” · check together
  • A54.5 — Gonococcal pharyngitis [Same-MDC diagnosis]: “Gonococcal pharyngitis — grouped in MDC 03, the diagnosis side of this code's crossing.” · check together
  • and 13274 more

Nearest codes

  • 0CWA0YZ — Revision of Other Device in Salivary Gland, Open Approach [One axis away]
  • 0CWS0YZ — Revision of Other Device in Larynx, Open Approach [One axis away]
  • 0CWY00Z — Revision of Drainage Device in Mouth and Throat, Open Approach [One axis away]
  • 0CWY01Z — Revision of Radioactive Element in Mouth and Throat, Open Approach [One axis away]
  • 0CWY07Z — Revision of Autologous Tissue Substitute in Mouth and Throat, Open Approach [One axis away]
  • 0CWY0DZ — Revision of Intraluminal Device in Mouth and Throat, Open Approach [One axis away]
  • 0CWY0JZ — Revision of Synthetic Substitute in Mouth and Throat, Open Approach [One axis away]
  • 0CWY0KZ — Revision of Nonautologous Tissue Substitute in Mouth and Throat, Open Approach [One axis away]

Change history

No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.