ICD-10-PCS Code For Lumbar Plexus: Procedure Code Group Overview

The International Classification of Diseases, Tenth Revision, Procedure Coding System (ICD-10-PCS) code group 01S9 includes procedures performed to reposition structures in the lumbar plexus. These ICD-10-PCS codes are used for inpatient documentation when a clinician corrects the location or relationship of the lumbar plexus to restore normal nerve function. Accurate coding within the ICD-10-PCS 01S9 group is essential for proper inpatient reimbursement, as it captures the procedure performed and determines appropriate case mix and payment.

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Lumbar Plexus Reposition Procedure Overview

Procedures in this group involve repositioning all or part of the lumbar plexus within the peripheral nervous system to restore normal anatomical location or relationship. These operations target the lumbar plexus and may be performed to correct displacement, entrapment, or other malposition affecting nerve function. Accurate ICD-10-PCS coding is important for inpatient reimbursement because it documents the specific root operation and anatomical focus that determine case mix and payment.

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
1	Body System	Peripheral Nervous System
S	Operation	Reposition
9	Body Part	Lumbar Plexus

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ICD-10-PCS Code For Lumbar Plexus: Procedure Code Group Overview

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Lumbar Plexus Reposition Procedure Overview

Code Attributes

Character	ICD-10-PCS Category	Code Group Details
0	Section	Medical and Surgical
1	Body System	Peripheral Nervous System
S	Operation	Reposition
9	Body Part	Lumbar Plexus

When to Use

Use a code from this group when the primary objective of the inpatient procedure is to move the lumbar plexus to correct its location or relationship. These codes apply when the repositioning is distinct from procedures such as repair, release, or neurolysis and is performed in an operating room or comparable inpatient setting.

ICD-10-PCS Codes

3 rows

ICD-10-PCS Code	Description
01S90ZZ	Reposition Lumbar Plexus, Open Approach
01S93ZZ	Reposition Lumbar Plexus, Percutaneous Approach
01S94ZZ	Reposition Lumbar Plexus, Percutaneous Endoscopic Approach

DRG Codes

6 rows

DRG Code	Description
040	Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC
041	Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator
042	Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC
957	Other O.R. Procedures for Multiple Significant Trauma with MCC
958	Other O.R. Procedures for Multiple Significant Trauma with CC
959	Other O.R. Procedures for Multiple Significant Trauma without CC/MCC

Typical Clinical Scenarios

An elderly patient presents after a high-energy motor vehicle collision with significant pelvic fractures and lateral displacement of nerve roots causing traction and malalignment of the lumbar plexus leading to progressive motor weakness and neuropathic pain. The patient is admitted to the inpatient service for surgical correction of nerve position concurrent with fracture fixation to restore anatomical relationships and prevent permanent nerve injury; the objective is to move the lumbar plexus back to its normal location. Typical codes: 01S90ZZ.
A middle-aged patient with chronic entrapment symptoms and refractory neuropathic pain attributable to post-surgical scarring around the lumbar plexus is scheduled for an elective inpatient procedure to mobilize and reposition adherent nerve elements to a more suitable location to relieve tension and improve function. The planned admission is for operative repositioning of the affected lumbar plexus under controlled conditions after conservative measures have failed. Typical codes: 01S94ZZ, 01S93ZZ.
A younger patient develops acute compressive neuropathy of the lumbar plexus after a deep soft-tissue hematoma following anticoagulation, with rapid progression of sensory loss and motor deficit; the patient is taken to the operating room emergently to evacuate the hematoma and reposition displaced plexus fibers to restore neural continuity and blood flow. Typical codes: 01S90ZZ, 01S93ZZ.

Related Codes

01S0-CERVICAL-PLEXUS-REPOSITION

ICD-10-PCS Code For Cervical Plexus: Procedure Code Group Overview

01S1-CERVICAL-NERVE-REPOSITION

ICD-10-PCS Code For Cervical Nerve: Procedure Code Group Overview

01S2-PHRENIC-NERVE-REPOSITION

ICD-10-PCS Code For Phrenic Nerve: Procedure Code Group Overview

01S3-BRACHIAL-PLEXUS-REPOSITION

ICD-10-PCS Code For Brachial Plexus: Procedure Code Group Overview

01S4-ULNAR-NERVE-REPOSITION

ICD-10-PCS Code For Ulnar Nerve: Procedure Code Group Overview

01S5-MEDIAN-NERVE-REPOSITION

ICD-10-PCS Code For Median Nerve: Procedure Code Group Overview

01S6-RADIAL-NERVE-REPOSITION

ICD-10-PCS Code For Radial Nerve: Procedure Code Group Overview

01S8-THORACIC-NERVE-REPOSITION

ICD-10-PCS Code For Thoracic Nerve: Procedure Code Group Overview

01SA-LUMBOSACRAL-PLEXUS-REPOSITION

ICD-10-PCS Code For Lumbosacral Plexus: Procedure Code Group Overview

01SB-LUMBAR-NERVE-REPOSITION

ICD-10-PCS Code For Lumbar Nerve: Procedure Code Group Overview

Showing 1–10 of 17

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

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When to Use

ICD-10-PCS Codes

3 rows

ICD-10-PCS Code	Description
01S90ZZ	Reposition Lumbar Plexus, Open Approach
01S93ZZ	Reposition Lumbar Plexus, Percutaneous Approach
01S94ZZ	Reposition Lumbar Plexus, Percutaneous Endoscopic Approach

DRG Codes

6 rows

DRG Code	Description
040	Peripheral, Cranial Nerve and Other Nervous System Procedures with MCC
041	Peripheral, Cranial Nerve and Other Nervous System Procedures with CC or Peripheral Neurostimulator
042	Peripheral, Cranial Nerve and Other Nervous System Procedures without CC/MCC
957	Other O.R. Procedures for Multiple Significant Trauma with MCC
958	Other O.R. Procedures for Multiple Significant Trauma with CC
959	Other O.R. Procedures for Multiple Significant Trauma without CC/MCC

Typical Clinical Scenarios

An elderly patient presents after a high-energy motor vehicle collision with significant pelvic fractures and lateral displacement of nerve roots causing traction and malalignment of the lumbar plexus leading to progressive motor weakness and neuropathic pain. The patient is admitted to the inpatient service for surgical correction of nerve position concurrent with fracture fixation to restore anatomical relationships and prevent permanent nerve injury; the objective is to move the lumbar plexus back to its normal location. Typical codes: 01S90ZZ.
A middle-aged patient with chronic entrapment symptoms and refractory neuropathic pain attributable to post-surgical scarring around the lumbar plexus is scheduled for an elective inpatient procedure to mobilize and reposition adherent nerve elements to a more suitable location to relieve tension and improve function. The planned admission is for operative repositioning of the affected lumbar plexus under controlled conditions after conservative measures have failed. Typical codes: 01S94ZZ, 01S93ZZ.
A younger patient develops acute compressive neuropathy of the lumbar plexus after a deep soft-tissue hematoma following anticoagulation, with rapid progression of sensory loss and motor deficit; the patient is taken to the operating room emergently to evacuate the hematoma and reposition displaced plexus fibers to restore neural continuity and blood flow. Typical codes: 01S90ZZ, 01S93ZZ.

Related Codes

01S0-CERVICAL-PLEXUS-REPOSITION

ICD-10-PCS Code For Cervical Plexus: Procedure Code Group Overview

01S1-CERVICAL-NERVE-REPOSITION

ICD-10-PCS Code For Cervical Nerve: Procedure Code Group Overview

01S2-PHRENIC-NERVE-REPOSITION

ICD-10-PCS Code For Phrenic Nerve: Procedure Code Group Overview

01S3-BRACHIAL-PLEXUS-REPOSITION

ICD-10-PCS Code For Brachial Plexus: Procedure Code Group Overview

01S4-ULNAR-NERVE-REPOSITION

ICD-10-PCS Code For Ulnar Nerve: Procedure Code Group Overview

01S5-MEDIAN-NERVE-REPOSITION

ICD-10-PCS Code For Median Nerve: Procedure Code Group Overview

01S6-RADIAL-NERVE-REPOSITION

ICD-10-PCS Code For Radial Nerve: Procedure Code Group Overview

01S8-THORACIC-NERVE-REPOSITION

ICD-10-PCS Code For Thoracic Nerve: Procedure Code Group Overview

01SA-LUMBOSACRAL-PLEXUS-REPOSITION

ICD-10-PCS Code For Lumbosacral Plexus: Procedure Code Group Overview

01SB-LUMBAR-NERVE-REPOSITION

ICD-10-PCS Code For Lumbar Nerve: Procedure Code Group Overview

Showing 1–10 of 17

Frequently Asked Questions

References

1.CPT® Codes and Descriptions. AAPC. Retrieved Aug 11, 2026.Maintains the CPT code set's official descriptions and guidelines, licensed from the American Medical Association, used as the definitional source for CPT codes on this page.
2.HCPCS Quarterly Update. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's quarterly release of HCPCS Level II codes and short/long descriptors, the source for HCPCS code definitions and update history.
3.ICD-10-CM Full Code List. Centers for Medicare & Medicaid Services (CMS). Retrieved Aug 11, 2026.CMS's complete ICD-10-CM diagnosis code list, used to cross-reference diagnosis codes associated with this procedure or service.

Published by

Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

ICD-10-PCS Code For Lumbar Plexus: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Lumbar Plexus: Procedure Code Group Overview policy alerts

Lumbar Plexus Reposition Procedure Overview

Code Attributes

ICD-10-PCS Code For Lumbar Plexus: Procedure Code Group Overview

Sign up for ICD-10-PCS Code For Lumbar Plexus: Procedure Code Group Overview policy alerts

Lumbar Plexus Reposition Procedure Overview

Code Attributes

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in ICD-10-PCS code group 01S9?

What is the main objective of procedures in the Lumbar Plexus reposition group?

Under which ICD-10-PCS section and operation are these codes classified?

How does accurate coding within 01S9 affect inpatient reimbursement?

What DRG groupings may relate to procedures coded in 01S9?

References

When to Use

ICD-10-PCS Codes

DRG Codes

Typical Clinical Scenarios

Related Codes

Which procedures are included in ICD-10-PCS code group 01S9?

What is the main objective of procedures in the Lumbar Plexus reposition group?

Under which ICD-10-PCS section and operation are these codes classified?

How does accurate coding within 01S9 affect inpatient reimbursement?

What DRG groupings may relate to procedures coded in 01S9?

References