Skip to main content
Inpatient Procedure Code

0R9C4ZX ICD-10-PCS Code: Drainage of Right Temporomandibular Joint, Percutaneous Endoscopic Approach, Diagnostic

Drainage of R Temporomandib Jt, Perc Endo Approach, Diagn

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 SystemR

Upper Joints

3
Root Operation9

Drainage

Taking or letting out fluids and/or gases from a body part

4
Body PartC

Temporomandibular Joint, Right

5
Approach4

Percutaneous Endoscopic

6
DeviceZ

No Device

7
QualifierX

Diagnostic

MS-DRG Grouper Relationships (FY2026)

Potential MS-DRG participation — not a DRG assignment.

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 6 MS-DRGs:

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.

0R964ZX — Drainage of Thoracic Vertebral Joint, Percutaneous Endoscopic Approach, Diagnostic, 0R994ZX — Drainage of Thoracic Vertebral Disc, Percutaneous Endoscopic Approach, Diagnostic, 0R9A4ZX — Drainage of Thoracolumbar Vertebral Joint, Percutaneous Endoscopic Approach, Diagnostic, 0R9B4ZX — Drainage of Thoracolumbar Vertebral Disc, Percutaneous Endoscopic Approach, Diagnostic, 0R9D4ZX — Drainage of Left Temporomandibular Joint, Percutaneous Endoscopic Approach, Diagnostic, 0R9E4ZX — Drainage of Right Sternoclavicular Joint, Percutaneous Endoscopic Approach, Diagnostic, 0R9F4ZX — Drainage of Left Sternoclavicular Joint, Percutaneous Endoscopic Approach, Diagnostic, 0R9G4ZX — Drainage of Right Acromioclavicular Joint, Percutaneous Endoscopic Approach, Diagnostic, +20 more

Same operation — other Approach

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

0R9C0ZX — Drainage of Right Temporomandibular Joint, Open Approach, Diagnostic, 0R9C3ZX — Drainage of Right Temporomandibular Joint, Percutaneous Approach, Diagnostic

Same operation — other Qualifier

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

0R9C4ZZ — Drainage of Right Temporomandibular Joint, Percutaneous Endoscopic Approach

Same procedure category (CCSR), other tables

AHRQ's Clinical Classifications Software Refined groups these ICD-10-PCS procedures with this one under Bone and joint biopsy (Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures); listed here are the members in other PCS tables. Source: Clinical Classifications Software Refined (CCSR), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, November 2025.

0QBR0ZX — Excision of Left Toe Phalanx, Open Approach, Diagnostic, 0QBR3ZX — Excision of Left Toe Phalanx, Percutaneous Approach, Diagnostic, 0QBR4ZX — Excision of Left Toe Phalanx, Percutaneous Endoscopic Approach, Diagnostic, 0QBS0ZX — Excision of Coccyx, Open Approach, Diagnostic, 0QBS3ZX — Excision of Coccyx, Percutaneous Approach, Diagnostic, 0QBS4ZX — Excision of Coccyx, Percutaneous Endoscopic Approach, Diagnostic, 0QJY0ZZ — Inspection of Lower Bone, Open Approach, 0QJY3ZZ — Inspection of Lower Bone, Percutaneous Approach, 0QJY4ZZ — Inspection of Lower Bone, Percutaneous Endoscopic Approach, 0QJYXZZ — Inspection of Lower Bone, External Approach, 0RB00ZX — Excision of Occipital-cervical Joint, Open Approach, Diagnostic, 0RB03ZX — Excision of Occipital-cervical Joint, Percutaneous Approach, Diagnostic, 0RB04ZX — Excision of Occipital-cervical Joint, Percutaneous Endoscopic Approach, Diagnostic, 0RB10ZX — Excision of Cervical Vertebral Joint, Open Approach, Diagnostic, 0RB13ZX — Excision of Cervical Vertebral Joint, Percutaneous Approach, Diagnostic, 0RB14ZX — Excision of Cervical Vertebral Joint, Percutaneous Endoscopic Approach, Diagnostic, 0RB30ZX — Excision of Cervical Vertebral Disc, Open Approach, Diagnostic, 0RB33ZX — Excision of Cervical Vertebral Disc, Percutaneous Approach, Diagnostic, 0RB34ZX — Excision of Cervical Vertebral Disc, Percutaneous Endoscopic Approach, Diagnostic, 0RB40ZX — Excision of Cervicothoracic Vertebral Joint, Open Approach, Diagnostic, +851 more

Contextual Map

Every relationship of 0R9C4ZX 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.

Run 0R9C4ZX with these 5 related codes in Claim Check

PCS table

MS-DRG participation

Clinical classification (CCSR)

  • MST002 — Bone and joint biopsy[CCSR category]: “Bone and joint biopsy — Musculoskeletal, Subcutaneous Tissue, and Fascia Procedures”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1

MDC crossing · diagnoses (26785)

  • 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.”— CMS MS-DRG Definitions Manual · FY2026
  • MDC 08 — Diseases and Disorders of the Musculoskeletal System and Connective Tissue[MDC crossing]: “Diseases and Disorders of the Musculoskeletal System and Connective Tissue — 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.”— CMS MS-DRG Definitions Manual · FY2026
  • 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.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A36.0 — Pharyngeal diphtheria[Same-MDC diagnosis]: “Pharyngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A36.1 — Nasopharyngeal diphtheria[Same-MDC diagnosis]: “Nasopharyngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A36.2 — Laryngeal diphtheria[Same-MDC diagnosis]: “Laryngeal diphtheria — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A54.5 — Gonococcal pharyngitis[Same-MDC diagnosis]: “Gonococcal pharyngitis — grouped in MDC 03, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • and 26780 more

Nearest codes

Change history

No changes recorded for this code. This ledger tracks additions, deletions and description changes from FY2026 (April) onward. Note changes are not tracked.

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2026 (April); CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v43; AHRQ HCUP Clinical Classifications Software Refined for ICD-10-PCS Procedures (hcup-us.ahrq.gov/toolssoftware/ccsr/PRCCSR_v2026-1.zip) — v2026.1. All data sources · How to read the labels