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ICD-10-PCS/01R/01RH4KZ
Inpatient Procedure Code

01RH4KZ

Replacement of Peroneal Nerve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach

Replace of Peroneal Nrv with Nonaut Sub, 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 System1

Peripheral Nervous System

3
Root OperationR

Replacement

Putting in or on biological or synthetic material that physically takes the place and/or function of all or a portion of a body part

4
Body PartH

Peroneal Nerve

5
Approach4

Percutaneous Endoscopic

6
DeviceK

Nonautologous Tissue Substitute

7
QualifierZ

No Qualifier

Potential MS-DRG Relationships (FY2026)

The MS-DRG grouper treats this as an operating room procedure. It appears in the surgical logic of 12 MS-DRGs:

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

Contextual Map

Every relationship of 01RH4KZ 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

  • 01R[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 (12)

  • DRG 040 — PERIPHERAL, CRANIAL NERVE AND OTHER NERVOUS SYSTEM PROCEDURES WITH MCC [MS-DRG]: “PERIPHERAL, CRANIAL NERVE AND OTHER NERVOUS SYSTEM PROCEDURES WITH MCC — Peripheral, Cranial Nerve and Other Nervous System Procedures (MDC 01)”
  • DRG 041 — PERIPHERAL, CRANIAL NERVE AND OTHER NERVOUS SYSTEM PROCEDURES WITH CC OR PERIPHERAL NEUROSTIMULATOR [MS-DRG]: “PERIPHERAL, CRANIAL NERVE AND OTHER NERVOUS SYSTEM PROCEDURES WITH CC OR PERIPHERAL NEUROSTIMULATOR — Peripheral, Cranial Nerve and Other Nervous System Procedures (MDC 01)”
  • DRG 042 — PERIPHERAL, CRANIAL NERVE AND OTHER NERVOUS SYSTEM PROCEDURES WITHOUT CC/MCC [MS-DRG]: “PERIPHERAL, CRANIAL NERVE AND OTHER NERVOUS SYSTEM PROCEDURES WITHOUT CC/MCC — Peripheral, Cranial Nerve and Other Nervous System Procedures (MDC 01)”
  • DRG 515 — OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE O.R. PROCEDURES WITH MCC [MS-DRG]: “OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE O.R. PROCEDURES WITH MCC — Other Musculoskeletal System and Connective Tissue O.R. Procedures (MDC 08)”
  • DRG 516 — OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE O.R. PROCEDURES WITH CC [MS-DRG]: “OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE O.R. PROCEDURES WITH CC — Other Musculoskeletal System and Connective Tissue O.R. Procedures (MDC 08)”
  • DRG 517 — OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE O.R. PROCEDURES WITHOUT CC/MCC [MS-DRG]: “OTHER MUSCULOSKELETAL SYSTEM AND CONNECTIVE TISSUE O.R. PROCEDURES WITHOUT CC/MCC — Other Musculoskeletal System and Connective Tissue O.R. Procedures (MDC 08)”
  • DRG 907 — OTHER O.R. PROCEDURES FOR INJURIES WITH MCC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITH MCC — Other O.R. Procedures for Injuries (MDC 21)”
  • DRG 908 — OTHER O.R. PROCEDURES FOR INJURIES WITH CC [MS-DRG]: “OTHER O.R. PROCEDURES FOR INJURIES WITH CC — Other O.R. Procedures for Injuries (MDC 21)”
  • and 4 more

MDC crossing · diagnoses (34371)

  • MDC 01 — Diseases and Disorders of the Nervous System [MDC crossing]: “Diseases and Disorders of the Nervous System — 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.”
  • 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.”
  • A02.21 — Salmonella meningitis [Same-MDC diagnosis]: “Salmonella meningitis — grouped in MDC 01, the diagnosis side of this code's crossing.”
  • A06.6 — Amebic brain abscess [Same-MDC diagnosis]: “Amebic brain abscess — grouped in MDC 01, the diagnosis side of this code's crossing.”
  • A17.0 — Tuberculous meningitis [Same-MDC diagnosis]: “Tuberculous meningitis — grouped in MDC 01, the diagnosis side of this code's crossing.”
  • A17.1 — Meningeal tuberculoma [Same-MDC diagnosis]: “Meningeal tuberculoma — grouped in MDC 01, the diagnosis side of this code's crossing.”
  • A17.81 — Tuberculoma of brain and spinal cord [Same-MDC diagnosis]: “Tuberculoma of brain and spinal cord — grouped in MDC 01, the diagnosis side of this code's crossing.”
  • and 34366 more

Nearest codes

  • 01R14KZ — Replacement of Cervical Nerve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach [One axis away]
  • 01R24KZ — Replacement of Phrenic Nerve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach [One axis away]
  • 01R44KZ — Replacement of Ulnar Nerve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach [One axis away]
  • 01R54KZ — Replacement of Median Nerve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach [One axis away]
  • 01R64KZ — Replacement of Radial Nerve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach [One axis away]
  • 01R84KZ — Replacement of Thoracic Nerve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach [One axis away]
  • 01RB4KZ — Replacement of Lumbar Nerve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach [One axis away]
  • 01RC4KZ — Replacement of Pudendal Nerve with Nonautologous Tissue Substitute, Percutaneous Endoscopic Approach [One axis away]

Change history

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