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ICD-10-PCS/0WH/0WHL4YZ
Inpatient Procedure Code

0WHL4YZ

Insertion of Other Device into Lower Back, Percutaneous Endoscopic Approach

Insertion of Other Device into Low Back, Perc Endo Approach

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 SystemW

Anatomical Regions, General

3
Root OperationH

Insertion

Putting in a nonbiological appliance that monitors, assists, performs, or prevents a physiological function but does not physically take the place of a body part

4
Body PartL

Lower Back

5
Approach4

Percutaneous Endoscopic

6
DeviceY

Other Device

7
QualifierZ

No Qualifier

Potential MS-DRG Relationships (FY2026)

The MS-DRG grouper treats this as a non-operating-room procedure. It appears in the surgical logic of 3 MS-DRGs:

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

Contextual Map

Every relationship of 0WHL4YZ 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

  • 0WH[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 579 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH MCC [MS-DRG]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH MCC — Other Skin, Subcutaneous Tissue and Breast Procedures (MDC 09)”
  • DRG 580 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC [MS-DRG]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITH CC — Other Skin, Subcutaneous Tissue and Breast Procedures (MDC 09)”
  • DRG 581 — OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITHOUT CC/MCC [MS-DRG]: “OTHER SKIN, SUBCUTANEOUS TISSUE AND BREAST PROCEDURES WITHOUT CC/MCC — Other Skin, Subcutaneous Tissue and Breast Procedures (MDC 09)”

MDC crossing · diagnoses (5441)

  • 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.”
  • A06.7 — Cutaneous amebiasis [Same-MDC diagnosis]: “Cutaneous amebiasis — grouped in MDC 09, the diagnosis side of this code's crossing.”
  • A18.4 — Tuberculosis of skin and subcutaneous tissue [Same-MDC diagnosis]: “Tuberculosis of skin and subcutaneous tissue — grouped in MDC 09, the diagnosis side of this code's crossing.”
  • A22.0 — Cutaneous anthrax [Same-MDC diagnosis]: “Cutaneous anthrax — grouped in MDC 09, the diagnosis side of this code's crossing.”
  • A31.1 — Cutaneous mycobacterial infection [Same-MDC diagnosis]: “Cutaneous mycobacterial infection — grouped in MDC 09, the diagnosis side of this code's crossing.”
  • A36.3 — Cutaneous diphtheria [Same-MDC diagnosis]: “Cutaneous diphtheria — grouped in MDC 09, the diagnosis side of this code's crossing.”
  • and 5436 more

Nearest codes

  • 0WH04YZ — Insertion of Other Device into Head, Percutaneous Endoscopic Approach [One axis away]
  • 0WH14YZ — Insertion of Other Device into Cranial Cavity, Percutaneous Endoscopic Approach [One axis away]
  • 0WH24YZ — Insertion of Other Device into Face, Percutaneous Endoscopic Approach [One axis away]
  • 0WH34YZ — Insertion of Other Device into Oral Cavity and Throat, Percutaneous Endoscopic Approach [One axis away]
  • 0WH44YZ — Insertion of Other Device into Upper Jaw, Percutaneous Endoscopic Approach [One axis away]
  • 0WH54YZ — Insertion of Other Device into Lower Jaw, Percutaneous Endoscopic Approach [One axis away]
  • 0WH64YZ — Insertion of Other Device into Neck, Percutaneous Endoscopic Approach [One axis away]
  • 0WH84YZ — Insertion of Other Device into Chest Wall, Percutaneous Endoscopic Approach [One axis away]

Change history

No changes recorded for this code — unchanged since the FY2026 (April) baseline of the change ledger.