0C9NXZX
Drainage of Uvula, External Approach, Diagnostic
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 Operation9 | Drainage Taking or letting out fluids and/or gases from a body part |
| 4 | Body PartN | Uvula |
| 5 | ApproachX | External |
| 6 | DeviceZ | No Device |
| 7 | QualifierX | Diagnostic |
Potential MS-DRG Relationships (FY2026)
The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 2 MS-DRGs:
From the CMS MS-DRG Definitions Manual, Appendix E. Actual DRG assignment depends on the complete claim.
Contextual Map
Every relationship of 0C9NXZX 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
- 0C9[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)”
MDC crossing · diagnoses (1444)
- 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.”
- 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 1439 more
Nearest codes
- 0C90XZX — Drainage of Upper Lip, External Approach, Diagnostic [One axis away]
- 0C91XZX — Drainage of Lower Lip, External Approach, Diagnostic [One axis away]
- 0C92XZX — Drainage of Hard Palate, External Approach, Diagnostic [One axis away]
- 0C93XZX — Drainage of Soft Palate, External Approach, Diagnostic [One axis away]
- 0C94XZX — Drainage of Buccal Mucosa, External Approach, Diagnostic [One axis away]
- 0C95XZX — Drainage of Upper Gingiva, External Approach, Diagnostic [One axis away]
- 0C96XZX — Drainage of Lower Gingiva, External Approach, Diagnostic [One axis away]
- 0C97XZX — Drainage of Tongue, External Approach, Diagnostic [One axis away]
Change history
No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.