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    v1.0.30
    OpenPayerBilling CodesOtherHCPCS hcpcs-k1002-cranial-electrotherapy-stimulation-system
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    HCPCS K1002: Cranial Electrotherapy Stimulation System

    HCPCS Level II code K1002 describes a cranial electrotherapy stimulation (CES) system used to deliver low-level electrical stimulation to the head; the service is equipment/device provision for neurostimulation therapy and is typically associated with durable medical equipment supplied for use in outpatient clinics, ambulatory care settings, or patient homes depending on clinician orders.

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    Table of contents

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    Clinical & Coding Specifications

    Clinical Context

    A typical patient is a 35–65-year-old adult presenting to an outpatient behavioral health clinic with persistent symptoms of generalized anxiety disorder, major depressive disorder with mild-to-moderate severity, or chronic insomnia who has had inadequate response or intolerance to first-line pharmacologic and psychotherapeutic treatments. The clinician (psychiatrist, neurologist, or pain medicine specialist) documents treatment history, obtains informed consent, and performs a brief baseline assessment including symptom severity scales (for example, PHQ-9, GAD-7, or Insomnia Severity Index). The cranial electrotherapy stimulation (CES) device is either applied in clinic as a single supervised session for acute symptom management or provided as a take-home device with training for daily home use. Typical workflow steps include: device selection and verification (K1002 describes a CES system), education on device operation and safety, documentation of baseline symptoms and contraindications (for example, implanted electronic devices, unstable seizure disorder), programming and electrode placement, supervised treatment session (usually 20–60 minutes) or device dispensing with documented training, and follow-up visits to assess efficacy and adverse effects. Billing uses HCPCS Level II code K1002 for the CES system; additional evaluation and management or psychotherapy CPT codes may be billed separately when medically appropriate and supported by documentation.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    99213Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutesCommonly billed for follow-up visits assessing response to CES, medication adjustments, or device-related issues.
    99203Office or other outpatient visit for a new patient, typically 30 minutesUsed for the initial evaluation and decision to initiate CES when the patient is new to the clinician.
    99354Prolonged service in the outpatient setting, face-to-face; first hour (list separately in addition to code for E/M)May be used when extensive training or device education for CES requires prolonged face-to-face time beyond typical E/M visit.
    99070Supplies and materials provided by the physician over and above those usually included with the office visitUsed to report noncovered or additional supplies related to CES device setup or electrode disposables when payor permits.
    99406Smoking and tobacco use cessation counseling visit, intermediate, greater than 3 minutes up to 10 minutesExample of a behavioral counseling CPT that may be billed in the same visit if smoking cessation counseling is provided alongside CES therapy (billing per payer rules).

    Related Modifiers

    8 rows

    ModifierDescriptionWhen to Use
    22Modifier –22 (Increased Procedural Services) is used when a reported procedure is substantially more extensive than normally required. The CPT Manual and CMS state it may be appended only when the…- When to use: Append modifier -22 to a procedural CPT code when the service performed is substantially more extensive than the usual service described by that code — i.e., the procedure required…
    23Modifier -23 (Unusual Anesthesia) is used on anesthesia service CPT codes when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia…- Use modifier -23 only on anesthesia CPT codes (00100–01999) when a procedure that normally requires no anesthesia or only local anesthesia must be performed under general anesthesia because of…
    52Modifier ‑52 (Reduced Services) indicates that a service or procedure was partially reduced or omitted at the provider’s discretion, allowing reporting of the basic procedure number with a qualifier…- Use modifier -52 when a physician or qualified health professional electively reduces or omits part of a procedure or service (for example, performing fewer required views or omitting a portion of…
    53Modifier 53 (Discontinued Procedure) signals that a surgical or diagnostic service was begun by the physician but terminated because of extenuating circumstances that threatened the patient’s…- Use modifier -53 when a physician/qualified healthcare professional has started a surgical or diagnostic procedure (e.g., anesthesia administered, incision or scope insertion) and then discontinues…
    54Modifier ‑54 (“Surgical care only”) is appended to a CPT surgical procedure when the reporting surgeon performs the intraoperative (surgical) component but does not furnish the preoperative and/or…- Use modifier -54 when the reporting surgeon provided only the intraoperative (surgical) component of a procedure and preoperative and/or postoperative management has been or will be provided by…
    55Modifier –55 indicates the billing provider furnished only postoperative management for a procedure that has a global surgical period. According to AAPC, this modifier is appended to the same CPT…- Use modifier -55 when billing the same CPT surgical code that has a 10- or 90-day global period and you, as a provider other than the original surgeon, furnished ONLY postoperative management (no…
    56Modifier ‑56 indicates the reporting provider furnished only the preoperative management for a surgical procedure and did not perform the intraoperative or postoperative care. It is used in…- Use Modifier -56 when a provider performs only the preoperative management in a split‑care situation (one physician manages preop care while a different physician performs the intraoperative…
    62Modifier 62 indicates that two surgeons function as co‑surgeons, each performing distinct parts of the same primary surgical procedure. It is appended to the primary procedure code (and any…- Use modifier -62 when two surgeons act as co‑surgeons (both primary surgeons) on a single definitive primary procedure, each performing distinct parts of the same surgical procedure (append -62 to…

    Related Provider Taxonomies

    8 rows

    Taxonomy Code
    2084P0800X
    2084N0400X
    207L00000X
    363L00000X
    3104A0630X
    2279C0205X
    2080P0008X
    367H00000X

    Related Codes

    HCPCS-C1300-HYPERBARIC-OXYGEN-FULL-BODY-CHAMBER-30MIN

    HCPCS Level II C1300: Hyperbaric Oxygen, Full‑Body Chamber, per 30 min

    HCPCS-K0901-KNEE-ORTHOSIS-SINGLE-UPRIGHT-PREFABRICATED

    HCPCS Level II K0901: Knee Orthosis, Single Upright, Prefabricated

    HCPCS-K0902-KNEE-ORTHOSIS-DOUBLE-UPRIGHT-PREFABRICATED-OTS

    HCPCS Level II K0902: Knee Orthosis, Double Upright, Prefabricated

    HCPCS-K0903-DIABETIC-CUSTOM-MULTIPLE-DENSITY-INSERT

    HCPCS K0903: Diabetic Custom Multi-density Total Contact Insert

    HCPCS-K1001-ELECTRONIC-POSITIONAL-OSA-TREATMENT-SENSOR

    HCPCS K1001: Electronic Positional Obstructive Sleep Apnea Treatment

    HCPCS-K1003-WHIRLPOOL-TUB-WALK-IN-PORTABLE

    HCPCS Level II K1003: Whirlpool Tub, Walk-In, Portable

    HCPCS-LEVEL-II-M1144-LIMITED-CONSULTATIVE-THERAPY-1-2-VISITS

    HCPCS Level II M1144: Ongoing Care Not Indicated, 1–2 Visits

    HCPCS-M0064-PSYCHIATRIC-MEDICATION-MANAGEMENT-BRIEF-OFFICE-VISIT

    HCPCS M0064: Brief Visit for Psychiatric Medication Monitoring

    HCPCS-M1000-PAIN-SCREEN-MODERATE-SEVERE

    HCPCS M1000: Pain Screened as Moderate to Severe

    HCPCS-M1001-PAIN-MANAGEMENT-PLAN-OF-CARE-MODERATE-SEVERE-PAIN

    HCPCS Level II M1001: Plan of Care for Moderate to Severe Pain

    Showing 1–10 of 16

    Frequently Asked Questions

    References

    1. 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. 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. 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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