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Inpatient Procedure Code

0P9M4ZX ICD-10-PCS Code: Drainage of Right Carpal, Percutaneous Endoscopic Approach, Diagnostic

Drainage of Right Carpal, 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 SystemP

Upper Bones

3
Root Operation9

Drainage

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

4
Body PartM

Carpal, 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 19 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.

0P9H4ZX — Drainage of Right Radius, Percutaneous Endoscopic Approach, Diagnostic, 0P9J4ZX — Drainage of Left Radius, Percutaneous Endoscopic Approach, Diagnostic, 0P9K4ZX — Drainage of Right Ulna, Percutaneous Endoscopic Approach, Diagnostic, 0P9L4ZX — Drainage of Left Ulna, Percutaneous Endoscopic Approach, Diagnostic, 0P9N4ZX — Drainage of Left Carpal, Percutaneous Endoscopic Approach, Diagnostic, 0P9P4ZX — Drainage of Right Metacarpal, Percutaneous Endoscopic Approach, Diagnostic, 0P9Q4ZX — Drainage of Left Metacarpal, Percutaneous Endoscopic Approach, Diagnostic, 0P9R4ZX — Drainage of Right Thumb Phalanx, Percutaneous Endoscopic Approach, Diagnostic, +18 more

Same operation — other Approach

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

0P9M0ZX — Drainage of Right Carpal, Open Approach, Diagnostic, 0P9M3ZX — Drainage of Right Carpal, Percutaneous Approach, Diagnostic

Same operation — other Qualifier

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

0P9M4ZZ — Drainage of Right Carpal, 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.

0NJ04ZZ — Inspection of Skull, Percutaneous Endoscopic Approach, 0NJ0XZZ — Inspection of Skull, External Approach, 0NJB0ZZ — Inspection of Nasal Bone, Open Approach, 0NJB3ZZ — Inspection of Nasal Bone, Percutaneous Approach, 0NJB4ZZ — Inspection of Nasal Bone, Percutaneous Endoscopic Approach, 0NJBXZZ — Inspection of Nasal Bone, External Approach, 0NJW0ZZ — Inspection of Facial Bone, Open Approach, 0NJW3ZZ — Inspection of Facial Bone, Percutaneous Approach, 0NJW4ZZ — Inspection of Facial Bone, Percutaneous Endoscopic Approach, 0NJWXZZ — Inspection of Facial Bone, External Approach, 0PB00ZX — Excision of Sternum, Open Approach, Diagnostic, 0PB03ZX — Excision of Sternum, Percutaneous Approach, Diagnostic, 0PB04ZX — Excision of Sternum, Percutaneous Endoscopic Approach, Diagnostic, 0PB10ZX — Excision of 1 to 2 Ribs, Open Approach, Diagnostic, 0PB13ZX — Excision of 1 to 2 Ribs, Percutaneous Approach, Diagnostic, 0PB14ZX — Excision of 1 to 2 Ribs, Percutaneous Endoscopic Approach, Diagnostic, 0PB20ZX — Excision of 3 or More Ribs, Open Approach, Diagnostic, 0PB23ZX — Excision of 3 or More Ribs, Percutaneous Approach, Diagnostic, 0PB24ZX — Excision of 3 or More Ribs, Percutaneous Endoscopic Approach, Diagnostic, 0PB30ZX — Excision of Cervical Vertebra, Open Approach, Diagnostic, +828 more

Contextual Map

Every relationship of 0P9M4ZX 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 0P9M4ZX with these 5 related codes in Claim Check

PCS table

MS-DRG participation (19)

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 (31415)

  • 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
  • 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.”— CMS MS-DRG Definitions Manual · FY2026
  • A02.23 — Salmonella arthritis[Same-MDC diagnosis]: “Salmonella arthritis — grouped in MDC 08, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A02.24 — Salmonella osteomyelitis[Same-MDC diagnosis]: “Salmonella osteomyelitis — grouped in MDC 08, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A18.01 — Tuberculosis of spine[Same-MDC diagnosis]: “Tuberculosis of spine — grouped in MDC 08, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A18.02 — Tuberculous arthritis of other joints[Same-MDC diagnosis]: “Tuberculous arthritis of other joints — grouped in MDC 08, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A18.03 — Tuberculosis of other bones[Same-MDC diagnosis]: “Tuberculosis of other bones — grouped in MDC 08, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • and 31410 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