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    v1.0.28
    OpenPayerBilling CodesNational Codes Established for State Medicaid AgenciesHCPCS hcpcs-t4540-incontinence-protective-underpad-chair-size-reusable
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    HCPCS Level II T4540: Reusable Protective Underpad, Chair Size

    HCPCS Level II code T4540 describes an incontinence product defined as a reusable protective underpad, chair size, each intended for continence management; this item is a durable, washable pad used to protect chairs or seating surfaces from urine or other body fluids, classified as a durable medical equipment/supplies service typically provided for use in the home or long-term care facility setting.

    For related coverage guidance, see recent payer policy updates: Interferential Stimulation Devices (for home use), Prior Authorization for Durable Medical Equipment (DME), Breast Pumps.

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    Table of contents

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    Clinical & Coding Specifications

    Clinical Context

    A community-dwelling older adult with chronic urinary or fecal incontinence receives a durable reusable chair-size protective underpad (T4540) to protect seating surfaces at home. Typical patients include older adults with neurogenic bladder from spinal cord injury, dementia with functional incontinence, severe mobility impairment after stroke, or palliative patients with reduced ability to transfer to a commode. The clinical workflow begins with a clinician (primary care physician, geriatrician, physiatrist, wound care nurse, or home health clinician) documenting ongoing incontinence and need for protective bedding or seating protection. A durable medical equipment (DME) supplier reviews the order, verifies medical necessity, and furnishes a reusable chair-size protective underpad to the patient and caregiver with education on placement, laundering, and inspection for wear. Home health nurses may reassess fit and condition during follow-up visits; caregiver training addresses skin inspection and frequency of pad changes to reduce risk of incontinence-associated dermatitis and pressure injury. Billing uses HCPCS Level II code T4540 for each reusable chair-size underpad supplied.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    99213Office or other outpatient visit for the evaluation and management of an established patient, typically 15 minutesCommon visit code when a clinician documents chronic incontinence and orders the reusable chair-size protective underpad.
    99501Home visit for the assessment and care of a patient for continuity of home health services (example code for home assessment)Used by home health clinicians performing home safety and equipment assessments that result in furnishing T4540.
    99406Smoking and tobacco cessation counseling visit, intermediate, 3–10 minutesNot directly related but may appear on the same encounter when counseling is provided; included here only as an example of concurrent counseling services in outpatient workflow.
    97535Self-care/home management training (eg, activities of daily living, compensatory training), each 15 minutesUsed by occupational therapists training patients/caregivers in safe transfer and management of incontinence supplies and seating protection.
    97001Physical therapy evaluationUsed when physical therapists assess seating needs and recommend protective chair pads as part of a seating and pressure management plan.

    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 CodeSpecialtyNotes
    251B00000XCase Management AgencyAn organization that is responsible for providing case management services. The agency provides services which assist an individual in gaining access…
    207R00000XInternal Medicine PhysicianA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults…
    208000000XPediatrics PhysicianA pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectru…
    282N00000XGeneral Acute Care HospitalAn acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medica…
    251V00000XVoluntary or Charitable AgencyAgencies · Voluntary or Charitable
    261QM1102XMilitary Outpatient Operational (Transportable) Component Clinic/Center"Non-fixed" facilities or distinct parts of a "non-fixed" facility, providing outpatient medical and dental services, primarily intended for DoD activ…
    2080T0004XPediatric Transplant Hepatology PhysicianA pediatrician with expertise in transplant hepatology encompasses the special knowledge and skill required of pediatric gastroenterologists to care f…
    225800000XRecreation TherapistA recreation therapist uses recreational activities for intervention in some physical, social or emotional behavior to bring about a desired change in…

    Related ICD-10-CM Codes

    28 rows

    ICD-10-CM CodeDescription
    E11.65Type 2 diabetes mellitus with hyperglycemia
    F03.90Unspecified dementia, unspecified severity, without behavioral disturbance, psychotic disturbance, mood disturbance, and anxiety
    F98.0Enuresis not due to a substance or known physiological condition
    G81.90Hemiplegia, unspecified affecting unspecified side
    G82.20Paraplegia, unspecified
    G83.4Cauda equina syndrome
    I69.391Dysphagia following cerebral infarction
    I69.398Other sequelae of cerebral infarction
    K59.00Constipation, unspecified
    K59.9Functional intestinal disorder, unspecified

    Showing 1–10 of 28

    Related Payer Policy Updates

    Specialty: Durable Medical Equipment (DME)1 / 2

    10 rows

    PolicyPayerEffective Date
    Interferential Stimulation Devices (for home use)Moda Health2026-10-01
    Prior Authorization for Durable Medical Equipment (DME)Blue Cross Blue Shield - Rhode Island2026-10-01
    Breast PumpsModa Health2026-09-01
    Personal Emergency Response SystemsCareSource Georgia2026-09-01
    Continuous Passive Motion (CPM) DevicesCigna2026-08-15
    Push-Rim Activated Power-Assist Device (E0986) — Manual Wheelchair Accessorymoda_health_plan_inc2026-08-13
    Beds and Mattresses (for Ohio Only)Colorado Rocky Mountain Health Plans2026-08-01
    Beds and Mattresses (for Kentucky Only)UnitedHealthcare2026-08-01
    Pneumatic Compression Devices (for Nebraska Only)UnitedHealthcare2026-08-01
    Indications for Coverage — Hospital beds, support surfaces, and safety enclosure beds (DME)Colorado Rocky Mountain Health Plans2026-08-01

    Related Codes

    HCPCS-LEVEL-II-T1030-NURSING-CARE-HOME-REGISTERED-NURSE-PER-DIEM

    HCPCS Level II T1030: Nursing Care in Home by Registered Nurse, Per Diem

    HCPCS-LEVEL-II-T2014-PREVOCATIONAL-HABILITATION-PER-DIEM

    HCPCS Level II T2014: Habilitation, Prevocational, Waiver; Per Diem

    HCPCS-LEVEL-II-T2020-DAY-HABILITATION-WAIVER-PER-DIEM

    HCPCS Level II T2020: Day Habilitation, Waiver; Per Diem

    HCPCS-LEVEL-II-T2047-HABILITATION-PREVOCATIONAL-WAIVER

    HCPCS Level II T2047: Habilitation Prevocational Waiver, per 15 minutes

    HCPCS-LEVEL-II-T4535-DISPOSABLE-INCONTINENCE-LINER-PAD

    HCPCS Level II T4535: Disposable Incontinence Liner/Pad

    HCPCS-LEVEL-II-T4538-REUSABLE-DIAPER-PER-DIAPER

    HCPCS Level II T4538: Reusable Diaper, Each

    HCPCS-T1000-PRIVATE-DUTY-LICENSED-NURSING-15-MIN

    HCPCS Level II T1000: Private Duty Licensed Nursing, up to 15 Minutes

    HCPCS-T1001-NURSING-ASSESSMENT-EVALUATION

    HCPCS Level II T1001: Nursing Assessment/Evaluation

    HCPCS-T1002-RN-SERVICES-15-MINUTES

    HCPCS T1002: RN Services, Up to 15 Minutes

    HCPCS-T1003-LPN-LVN-SERVICES-15-MINUTES

    HCPCS Level II T1003: LPN/LVN Services, Up to 15 Minutes

    Showing 1–10 of 113

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    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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