0WB30ZZ

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:

• MDC 03 — Mouth Procedures: DRG 137, DRG 138

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

Related Codes

Same operation — other Body Part

Same table and root operation, differing only in the body part character.

0WB00ZZ — Excision of Head, Open Approach, 0WB20ZZ — Excision of Face, Open Approach, 0WB40ZZ — Excision of Upper Jaw, Open Approach, 0WB50ZZ — Excision of Lower Jaw, Open Approach, 0WB60ZZ — Excision of Neck, Open Approach, 0WB80ZZ — Excision of Chest Wall, Open Approach, 0WBC0ZZ — Excision of Mediastinum, Open Approach, 0WBF0ZZ — Excision of Abdominal Wall, Open Approach, +5 more

Same operation — other Approach

Same table and root operation, differing only in the approach character.

0WB33ZZ — Excision of Oral Cavity and Throat, Percutaneous Approach, 0WB34ZZ — Excision of Oral Cavity and Throat, Percutaneous Endoscopic Approach, 0WB3XZZ — Excision of Oral Cavity and Throat, External Approach

Same operation — other Qualifier

Same table and root operation, differing only in the qualifier character.

0WB30ZX — Excision of Oral Cavity and Throat, Open Approach, Diagnostic

Contextual Map

Every relationship of 0WB30ZZ 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

• 0WB[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

• 0WB00ZZ — Excision of Head, Open Approach [One axis away]
• 0WB20ZZ — Excision of Face, Open Approach [One axis away]
• 0WB30ZX — Excision of Oral Cavity and Throat, Open Approach, Diagnostic [One axis away]
• 0WB33ZZ — Excision of Oral Cavity and Throat, Percutaneous Approach [One axis away]
• 0WB34ZZ — Excision of Oral Cavity and Throat, Percutaneous Endoscopic Approach [One axis away]
• 0WB3XZZ — Excision of Oral Cavity and Throat, External Approach [One axis away]
• 0WB40ZZ — Excision of Upper Jaw, Open Approach [One axis away]
• 0WB50ZZ — Excision of Lower Jaw, Open Approach [One axis away]