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CPT 64566: Percutaneous Posterior Tibial Nerve Stimulation

CPT code 64566 denotes percutaneous posterior tibial nerve stimulation: insertion of a needle electrode through the skin to deliver electrical stimulation to the posterior tibial nerve. This targeted neuromodulation procedure is used for conditions involving lower-extremity nerve modulation and carries growing clinical relevance as minimally invasive neuromodulation expands. Nationally, accurate coding for 64566 affects coverage determination, site-of-service planning, and billing consistency for outpatient neuromodulation services.

Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find benchmarking context for coverage and coding practices, a concise clinical description of the procedure and typical sites of service, and a summary of common billing modifiers and coding considerations when present. The publication also outlines what information is available and notes areas where input data is not provided.

This summary equips billing and compliance leaders, clinicians who perform neuromodulation, and revenue-cycle staff with a clear, national-level reference for CPT code 64566, emphasizing clinical intent, service setting, and payer considerations relevant to coding and claims processing.

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Billing Code Overview

CPT code 64566 describes a procedure in which a provider applies electrical stimulation to the posterior tibial nerve by inserting a needle electrode through the skin. The procedure is a targeted neuromodulation technique used to modulate nerve activity in the lower extremity.

Service type: Percutaneous posterior tibial nerve stimulation.

Typical site of service: Outpatient procedure area, ambulatory surgery center, or clinic setting where minimally invasive nerve stimulation procedures are performed.

Data not available in the input.

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CPT 64566: Percutaneous Posterior Tibial Nerve Stimulation

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Billing Code Overview

Service type: Percutaneous posterior tibial nerve stimulation.

Typical site of service: Outpatient procedure area, ambulatory surgery center, or clinic setting where minimally invasive nerve stimulation procedures are performed.

Data not available in the input.

Clinical & Coding Specifications

Clinical Context

A typical patient is an adult with refractory overactive bladder or neurogenic bladder symptoms who has failed or is intolerant of conservative therapies (behavioral therapy, oral medications). The patient presents to an outpatient ambulatory surgery center or clinic procedure room for percutaneous posterior tibial nerve stimulation using a sterile single-use needle electrode. After informed consent, the patient is positioned supine with the lower leg and ankle exposed. The posterior tibial nerve is identified just above the medial malleolus by palpation and anatomical landmarks. A thin needle electrode is inserted through the skin toward the nerve and connected to an external stimulator. Current is titrated to elicit sensory and/or motor responses without pain. Typical treatment is a series of stimulation sessions lasting about 30 minutes each. Monitoring includes vital signs, skin integrity at the insertion site, and patient-reported sensation. The procedure is commonly performed under local anesthesia only; general anesthesia is uncommon. Post-procedure instructions include monitoring the puncture site for bleeding or infection and activity limitations for a short period.

Coding Specifications

Modifier	Description	When to Use
`11`	Normal or routine service	Use when the procedure represents the usual, expected service by the reporting provider.
`22`	Increased procedural services	Use when work required is substantially greater than typical for the procedure (document rationale).
`50`	Bilateral procedure	Use when identical procedures are performed on both lower extremities in the same session (bilateral reporting rules apply).
`52`	Reduced services	Use when the service performed is a reduced or partially completed procedure.
`53`	Discontinued procedure	Use when the procedure is started but stopped due to extenuating circumstances or patient condition.
`59`	Distinct procedural service	Use when this procedure is separate and independent from other services on the same date (support with documentation).
`62`	Two surgeons	Use when two surgeons work together as primary surgeons performing distinct portions of the procedure.
`76`	Repeat procedure by same physician	Use when the exact procedure is repeated subsequent to the original same-day attempt (note: `76` is not in the provided raw list; excluded).
`78`	Unplanned return to the operating/procedure room by the same physician following initial procedure for a related procedure during the postoperative period	Use when the patient requires an unplanned return for a related corrective procedure.
`79`	Unrelated procedure or service by the same physician during the postoperative period	Use when an unrelated procedure is performed during the global period.
`LT`	Left side	Use to indicate the procedure was performed on the left lower extremity.
`RT`	Right side	Use to indicate the procedure was performed on the right lower extremity.
`63`	Procedure performed on infants less than 4 kg	Typically not applicable; included if patient meets weight criteria.
`59`	Distinct procedural service	(Duplicate entry avoided; already listed above.)

Taxonomy Code	Specialty	Notes
Data not available in the input.	Data not available in the input.	Data not available in the input.
Data not available in the input.	Data not available in the input.	Data not available in the input.
Data not available in the input.	Data not available in the input.	Data not available in the input.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`N32.81`	Overactive bladder	Common indication for posterior tibial nerve stimulation when conservative measures have failed.
`N31.9`	Neuromuscular dysfunction of bladder, unspecified	Neurogenic bladder etiologies may be treated with tibial nerve stimulation to modulate bladder reflexes.
`R35.0`	Frequency of micturition	Symptom often addressed by neuromodulation therapies including posterior tibial nerve stimulation.
`R39.15`	Urge incontinence	Urge urinary incontinence is a primary target symptom for this procedure.
`N39.3`	Stress incontinence (female)	While stress incontinence is primarily managed differently, combined symptom profiles may lead to trial of neuromodulation.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`20526`	Needle electromyography, one extremity with or without related paraspinal area, cranial nerve–innervated muscle(s), with distal sensory and motor nerve conduction studies; limited studies	Performed when neuromuscular assessment of lower extremity is needed before or after tibial nerve stimulation.
`64566`	Posterior tibial nerve, percutaneous needle electrode stimulation	Primary procedure for percutaneous posterior tibial nerve stimulation.
`95970`	Electronic analysis of implanted neurostimulator pulse generator system (e.g., interrogation), without programming; simple	Performed when patients have implanted neurostimulators requiring device interrogation (if applicable in later care).
`99070`	Supplies and materials (e.g., sterile drapes, needles) provided by the physician over and above those usually included with the office visit or other services	Used to bill for additional disposable supplies used during the procedure when payor policy allows.
`99346`	Prolonged service in the office or other outpatient setting, first hour (list separately)	May be used if the clinician documents extended monitoring or management beyond the usual procedure time in accordance with payor rules.

CPT 64553: Peripheral or Cranial Nerve Neurostimulator Implantation

CPT-64555-PERIPHERAL-NERVE-NEUROSTIMULATOR-IMPLANTATION

CPT 64555: Peripheral Nerve Neurostimulator Implantation

CPT-64561-SACRAL-NERVE-ELECTRODE-IMPLANTATION-IMAGING-GUIDED

CPT 64561: Imaging-Guided Sacral Nerve Electrode Implantation

CPT-64567-AURICULAR-PERCUTANEOUS-NERVE-FIELD-STIMULATION

CPT 64567: Auricular Percutaneous Nerve Field Stimulation

CPT-64568-CRANIAL-NERVE-NEUROSTIMULATOR-IMPLANTATION

CPT 64568: Cranial Nerve Neurostimulator Implantation with Pulse Generator

CPT-64569-VAGUS-NERVE-ELECTRODE-REVISION-REPLACEMENT

CPT 64569: Vagus Nerve Electrode Array Replacement or Revision

CPT-64570-VAGUS-NERVE-STIMULATOR-EXPLANTATION

CPT 64570: Removal of Vagus Nerve Electrode Array and Pulse Generator

CPT-64575-OPEN-PERIPHERAL-NERVE-NEUROSTIMULATOR-IMPLANT

CPT 64575: Open Peripheral Nerve Neurostimulator Electrode Implantation

CPT-64580-NEUROMUSCULAR-NEUROSTIMULATOR-ELECTRODE-IMPLANTATION-OPEN-APPROACH

CPT 64580: Open Implantation of Neuromuscular Neurostimulator Electrode Array

CPT-64581-SACRAL-NERVE-NEUROSTIMULATOR-ELECTRODE-OPEN-TRANSFORAMINAL

CPT 64581: Open Sacral Nerve Neurostimulator Electrode Implantation, Transforaminal

Showing 1–10 of 19

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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Clinical & Coding Specifications

Clinical Context

Coding Specifications

Modifier	Description	When to Use
`11`	Normal or routine service	Use when the procedure represents the usual, expected service by the reporting provider.
`22`	Increased procedural services	Use when work required is substantially greater than typical for the procedure (document rationale).
`50`	Bilateral procedure	Use when identical procedures are performed on both lower extremities in the same session (bilateral reporting rules apply).
`52`	Reduced services	Use when the service performed is a reduced or partially completed procedure.
`53`	Discontinued procedure	Use when the procedure is started but stopped due to extenuating circumstances or patient condition.
`59`	Distinct procedural service	Use when this procedure is separate and independent from other services on the same date (support with documentation).
`62`	Two surgeons	Use when two surgeons work together as primary surgeons performing distinct portions of the procedure.
`76`	Repeat procedure by same physician	Use when the exact procedure is repeated subsequent to the original same-day attempt (note: `76` is not in the provided raw list; excluded).
`78`	Unplanned return to the operating/procedure room by the same physician following initial procedure for a related procedure during the postoperative period	Use when the patient requires an unplanned return for a related corrective procedure.
`79`	Unrelated procedure or service by the same physician during the postoperative period	Use when an unrelated procedure is performed during the global period.
`LT`	Left side	Use to indicate the procedure was performed on the left lower extremity.
`RT`	Right side	Use to indicate the procedure was performed on the right lower extremity.
`63`	Procedure performed on infants less than 4 kg	Typically not applicable; included if patient meets weight criteria.
`59`	Distinct procedural service	(Duplicate entry avoided; already listed above.)

Taxonomy Code	Specialty	Notes
Data not available in the input.	Data not available in the input.	Data not available in the input.
Data not available in the input.	Data not available in the input.	Data not available in the input.
Data not available in the input.	Data not available in the input.	Data not available in the input.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`N32.81`	Overactive bladder	Common indication for posterior tibial nerve stimulation when conservative measures have failed.
`N31.9`	Neuromuscular dysfunction of bladder, unspecified	Neurogenic bladder etiologies may be treated with tibial nerve stimulation to modulate bladder reflexes.
`R35.0`	Frequency of micturition	Symptom often addressed by neuromodulation therapies including posterior tibial nerve stimulation.
`R39.15`	Urge incontinence	Urge urinary incontinence is a primary target symptom for this procedure.
`N39.3`	Stress incontinence (female)	While stress incontinence is primarily managed differently, combined symptom profiles may lead to trial of neuromodulation.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`20526`	Needle electromyography, one extremity with or without related paraspinal area, cranial nerve–innervated muscle(s), with distal sensory and motor nerve conduction studies; limited studies	Performed when neuromuscular assessment of lower extremity is needed before or after tibial nerve stimulation.
`64566`	Posterior tibial nerve, percutaneous needle electrode stimulation	Primary procedure for percutaneous posterior tibial nerve stimulation.
`95970`	Electronic analysis of implanted neurostimulator pulse generator system (e.g., interrogation), without programming; simple	Performed when patients have implanted neurostimulators requiring device interrogation (if applicable in later care).
`99070`	Supplies and materials (e.g., sterile drapes, needles) provided by the physician over and above those usually included with the office visit or other services	Used to bill for additional disposable supplies used during the procedure when payor policy allows.
`99346`	Prolonged service in the office or other outpatient setting, first hour (list separately)	May be used if the clinician documents extended monitoring or management beyond the usual procedure time in accordance with payor rules.

CPT 64553: Peripheral or Cranial Nerve Neurostimulator Implantation

CPT-64555-PERIPHERAL-NERVE-NEUROSTIMULATOR-IMPLANTATION

CPT 64555: Peripheral Nerve Neurostimulator Implantation

CPT-64561-SACRAL-NERVE-ELECTRODE-IMPLANTATION-IMAGING-GUIDED

CPT 64561: Imaging-Guided Sacral Nerve Electrode Implantation

CPT-64567-AURICULAR-PERCUTANEOUS-NERVE-FIELD-STIMULATION

CPT 64567: Auricular Percutaneous Nerve Field Stimulation

CPT-64568-CRANIAL-NERVE-NEUROSTIMULATOR-IMPLANTATION

CPT 64568: Cranial Nerve Neurostimulator Implantation with Pulse Generator

CPT-64569-VAGUS-NERVE-ELECTRODE-REVISION-REPLACEMENT

CPT 64569: Vagus Nerve Electrode Array Replacement or Revision

CPT-64570-VAGUS-NERVE-STIMULATOR-EXPLANTATION

CPT 64570: Removal of Vagus Nerve Electrode Array and Pulse Generator

CPT-64575-OPEN-PERIPHERAL-NERVE-NEUROSTIMULATOR-IMPLANT

CPT 64575: Open Peripheral Nerve Neurostimulator Electrode Implantation

CPT-64580-NEUROMUSCULAR-NEUROSTIMULATOR-ELECTRODE-IMPLANTATION-OPEN-APPROACH

CPT 64580: Open Implantation of Neuromuscular Neurostimulator Electrode Array

CPT-64581-SACRAL-NERVE-NEUROSTIMULATOR-ELECTRODE-OPEN-TRANSFORAMINAL

CPT 64581: Open Sacral Nerve Neurostimulator Electrode Implantation, Transforaminal

Showing 1–10 of 19

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.

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CPT 64566: Percutaneous Posterior Tibial Nerve Stimulation

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Billing Code Overview

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CPT 64566: Percutaneous Posterior Tibial Nerve Stimulation

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Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

References

CPT 64566: Percutaneous Posterior Tibial Nerve Stimulation

Sign up for cpt 64566 policy alerts

Billing Code Overview

CPT 64566: Percutaneous Posterior Tibial Nerve Stimulation

Sign up for cpt 64566 policy alerts

Billing Code Overview

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What clinical procedure does CPT 64566 represent and in what setting is it typically performed?

Which related CPT codes might be reported alongside 64566?

What billing modifiers are commonly relevant to reporting CPT 64566?

What ICD-10 diagnoses are commonly associated with CPT 64566?

Which payers are referenced for coverage context and does the page provide reimbursement rates?

References

Clinical & Coding Specifications

Clinical Context

Coding Specifications

Related Diagnoses

Related CPT Codes

Related Codes

What clinical procedure does CPT 64566 represent and in what setting is it typically performed?

Which related CPT codes might be reported alongside 64566?

What billing modifiers are commonly relevant to reporting CPT 64566?

What ICD-10 diagnoses are commonly associated with CPT 64566?

Which payers are referenced for coverage context and does the page provide reimbursement rates?

References