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Inpatient Procedure Code

09WH4YZ ICD-10-PCS Code: Revision of Other Device in Right Ear, Percutaneous Endoscopic Approach

Revision of Other Device in Right Ear, Perc Endo Approach

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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 System9

Ear, Nose, Sinus

3
Root OperationW

Revision

Correcting, to the extent possible, a portion of a malfunctioning device or the position of a displaced device

4
Body PartH

Ear, Right

5
Approach4

Percutaneous Endoscopic

6
DeviceY

Other Device

7
QualifierZ

No Qualifier

Related Codes

Same operation — other Body Part

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

09WJ4YZ — Revision of Other Device in Left Ear, Percutaneous Endoscopic Approach, 09WK4YZ — Revision of Other Device in Nasal Mucosa and Soft Tissue, Percutaneous Endoscopic Approach, 09WY4YZ — Revision of Other Device in Sinus, Percutaneous Endoscopic Approach

Same operation — other Approach

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

09WH0YZ — Revision of Other Device in Right Ear, Open Approach, 09WH3YZ — Revision of Other Device in Right Ear, Percutaneous Approach, 09WH7YZ — Revision of Other Device in Right Ear, Via Natural or Artificial Opening, 09WH8YZ — Revision of Other Device in Right Ear, Via Natural or Artificial Opening Endoscopic

Same operation — other Device

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

09WH40Z — Revision of Drainage Device in Right Ear, Percutaneous Endoscopic Approach, 09WH47Z — Revision of Autologous Tissue Substitute in Right Ear, Percutaneous Endoscopic Approach, 09WH4DZ — Revision of Intraluminal Device in Right Ear, Percutaneous Endoscopic Approach, 09WH4JZ — Revision of Synthetic Substitute in Right Ear, Percutaneous Endoscopic Approach, 09WH4KZ — Revision of Nonautologous Tissue Substitute in Right Ear, 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 ENT procedures, NEC (Ear, Nose, and Throat 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.

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Contextual Map

Every relationship of 09WH4YZ 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

Clinical classification (CCSR)

  • ENT017 — ENT procedures, NEC[CCSR category]: “ENT procedures, NEC — Ear, Nose, and Throat Procedures”— AHRQ CCSR for ICD-10-PCS Procedures (HCUP) · v2026.1

Nearest codes

Change history

Change history

  • FY2018 — October 1, 2017
    Added to the code set
    Revision of Other Device in Right Ear, Percutaneous Endoscopic Approach
    FY2018 changes

Read from: CMS ICD-10-PCS code tables, index and definitions — FY2027; CMS MS-DRG Definitions Manual (incl. Appendix B diagnosis index, Appendix C CC/MCC list, Appendix E procedure index) and IPPS Final Rule tables — v44; 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 · How MedCoder verifies its implementation

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources