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Inpatient Procedure Code

0Q904ZX ICD-10-PCS Code: Drainage of Lumbar Vertebra, Percutaneous Endoscopic Approach, Diagnostic

Drainage of Lumbar Vertebra, 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 SystemQ

Lower Bones

3
Root Operation9

Drainage

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

4
Body Part0

Lumbar Vertebra

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 16 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.

0Q914ZX — Drainage of Sacrum, Percutaneous Endoscopic Approach, Diagnostic, 0Q924ZX — Drainage of Right Pelvic Bone, Percutaneous Endoscopic Approach, Diagnostic, 0Q934ZX — Drainage of Left Pelvic Bone, Percutaneous Endoscopic Approach, Diagnostic, 0Q944ZX — Drainage of Right Acetabulum, Percutaneous Endoscopic Approach, Diagnostic, 0Q954ZX — Drainage of Left Acetabulum, Percutaneous Endoscopic Approach, Diagnostic, 0Q964ZX — Drainage of Right Upper Femur, Percutaneous Endoscopic Approach, Diagnostic, 0Q974ZX — Drainage of Left Upper Femur, Percutaneous Endoscopic Approach, Diagnostic, 0Q984ZX — Drainage of Right Femoral Shaft, Percutaneous Endoscopic Approach, Diagnostic, +16 more

Same operation — other Approach

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

0Q900ZX — Drainage of Lumbar Vertebra, Open Approach, Diagnostic, 0Q903ZX — Drainage of Lumbar Vertebra, Percutaneous Approach, Diagnostic

Same operation — other Qualifier

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

0Q904ZZ — Drainage of Lumbar Vertebra, 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.

0PBT0ZX — Excision of Right Finger Phalanx, Open Approach, Diagnostic, 0PBT3ZX — Excision of Right Finger Phalanx, Percutaneous Approach, Diagnostic, 0PBT4ZX — Excision of Right Finger Phalanx, Percutaneous Endoscopic Approach, Diagnostic, 0PBV0ZX — Excision of Left Finger Phalanx, Open Approach, Diagnostic, 0PBV3ZX — Excision of Left Finger Phalanx, Percutaneous Approach, Diagnostic, 0PBV4ZX — Excision of Left Finger Phalanx, Percutaneous Endoscopic Approach, Diagnostic, 0PJY0ZZ — Inspection of Upper Bone, Open Approach, 0PJY3ZZ — Inspection of Upper Bone, Percutaneous Approach, 0PJY4ZZ — Inspection of Upper Bone, Percutaneous Endoscopic Approach, 0PJYXZZ — Inspection of Upper Bone, External Approach, 0QB00ZX — Excision of Lumbar Vertebra, Open Approach, Diagnostic, 0QB03ZX — Excision of Lumbar Vertebra, Percutaneous Approach, Diagnostic, 0QB04ZX — Excision of Lumbar Vertebra, Percutaneous Endoscopic Approach, Diagnostic, 0QB10ZX — Excision of Sacrum, Open Approach, Diagnostic, 0QB13ZX — Excision of Sacrum, Percutaneous Approach, Diagnostic, 0QB14ZX — Excision of Sacrum, Percutaneous Endoscopic Approach, Diagnostic, 0QB20ZX — Excision of Right Pelvic Bone, Open Approach, Diagnostic, 0QB23ZX — Excision of Right Pelvic Bone, Percutaneous Approach, Diagnostic, 0QB24ZX — Excision of Right Pelvic Bone, Percutaneous Endoscopic Approach, Diagnostic, 0QB30ZX — Excision of Left Pelvic Bone, Open Approach, Diagnostic, +834 more

Contextual Map

Every relationship of 0Q904ZX 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 0Q904ZX with these 5 related codes in Claim Check

PCS table

MS-DRG participation (16)

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 (26695)

  • 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 10 — Endocrine, Nutritional and Metabolic Diseases and Disorders[MDC crossing]: “Endocrine, Nutritional and Metabolic Diseases and Disorders — 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 26690 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