Skip to main content
Inpatient Procedure Code

0N9P0ZX ICD-10-PCS Code: Drainage of Right Orbit, Open 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.

PositionValueMeaning
1
Section0

Medical and Surgical

2
Body SystemN

Head and Facial Bones

3
Root Operation9

Drainage

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

4
Body PartP

Orbit, Right

5
Approach0

Open

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 2 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.

0N9K0ZX — Drainage of Right Palatine Bone, Open Approach, Diagnostic, 0N9L0ZX — Drainage of Left Palatine Bone, Open Approach, Diagnostic, 0N9M0ZX — Drainage of Right Zygomatic Bone, Open Approach, Diagnostic, 0N9N0ZX — Drainage of Left Zygomatic Bone, Open Approach, Diagnostic, 0N9Q0ZX — Drainage of Left Orbit, Open Approach, Diagnostic, 0N9R0ZX — Drainage of Maxilla, Open Approach, Diagnostic, 0N9T0ZX — Drainage of Right Mandible, Open Approach, Diagnostic, 0N9V0ZX — Drainage of Left Mandible, Open Approach, Diagnostic, +14 more

Same operation — other Approach

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

0N9P3ZX — Drainage of Right Orbit, Percutaneous Approach, Diagnostic, 0N9P4ZX — Drainage of Right Orbit, Percutaneous Endoscopic Approach, Diagnostic

Same operation — other Qualifier

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

0N9P0ZZ — Drainage of Right Orbit, Open 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.

0NB00ZX — Excision of Skull, Open Approach, Diagnostic, 0NB03ZX — Excision of Skull, Percutaneous Approach, Diagnostic, 0NB04ZX — Excision of Skull, Percutaneous Endoscopic Approach, Diagnostic, 0NB10ZX — Excision of Frontal Bone, Open Approach, Diagnostic, 0NB13ZX — Excision of Frontal Bone, Percutaneous Approach, Diagnostic, 0NB14ZX — Excision of Frontal Bone, Percutaneous Endoscopic Approach, Diagnostic, 0NB30ZX — Excision of Right Parietal Bone, Open Approach, Diagnostic, 0NB33ZX — Excision of Right Parietal Bone, Percutaneous Approach, Diagnostic, 0NB34ZX — Excision of Right Parietal Bone, Percutaneous Endoscopic Approach, Diagnostic, 0NB40ZX — Excision of Left Parietal Bone, Open Approach, Diagnostic, 0NB43ZX — Excision of Left Parietal Bone, Percutaneous Approach, Diagnostic, 0NB44ZX — Excision of Left Parietal Bone, Percutaneous Endoscopic Approach, Diagnostic, 0NB50ZX — Excision of Right Temporal Bone, Open Approach, Diagnostic, 0NB53ZX — Excision of Right Temporal Bone, Percutaneous Approach, Diagnostic, 0NB54ZX — Excision of Right Temporal Bone, Percutaneous Endoscopic Approach, Diagnostic, 0NB60ZX — Excision of Left Temporal Bone, Open Approach, Diagnostic, 0NB63ZX — Excision of Left Temporal Bone, Percutaneous Approach, Diagnostic, 0NB64ZX — Excision of Left Temporal Bone, Percutaneous Endoscopic Approach, Diagnostic, 0NB70ZX — Excision of Occipital Bone, Open Approach, Diagnostic, 0NB73ZX — Excision of Occipital Bone, Percutaneous Approach, Diagnostic, +840 more

Contextual Map

Every relationship of 0N9P0ZX 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 0N9P0ZX 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 (3193)

  • MDC 02 — Diseases and Disorders of the Eye[MDC crossing]: “Diseases and Disorders of the Eye — 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
  • A18.50 — Tuberculosis of eye, unspecified[Same-MDC diagnosis]: “Tuberculosis of eye, unspecified — grouped in MDC 02, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A18.51 — Tuberculous episcleritis[Same-MDC diagnosis]: “Tuberculous episcleritis — grouped in MDC 02, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A18.52 — Tuberculous keratitis[Same-MDC diagnosis]: “Tuberculous keratitis — grouped in MDC 02, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A18.53 — Tuberculous chorioretinitis[Same-MDC diagnosis]: “Tuberculous chorioretinitis — grouped in MDC 02, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • A18.54 — Tuberculous iridocyclitis[Same-MDC diagnosis]: “Tuberculous iridocyclitis — grouped in MDC 02, the diagnosis side of this code's crossing.”— CMS MS-DRG Definitions Manual (Appendix B) · FY2026
  • and 3188 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