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    OpenPayerBilling CodesOtherHCPCS hcpcs-k1003-whirlpool-tub-walk-in-portable
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    HCPCS Level II K1003: Whirlpool Tub, Walk-In, Portable

    HCPCS Level II code K1003 describes a portable, walk-in whirlpool tub intended for therapeutic hydrotherapy treatments; the service type is durable medical equipment used primarily in home or long‑term care settings to support mobility-impaired patients requiring therapeutic bathing and hydrotherapy for wound care, pain relief, or rehabilitation.

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    Table of contents

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    Clinical & Coding Specifications

    Clinical Context

    A portable walk-in whirlpool tub (K1003) is delivered to and installed in the home of a patient with limited mobility who requires hydrotherapy for wound care, pain management, or rehabilitation. Typical patients include older adults with chronic lower-extremity wounds, diabetic foot ulcers, or post-operative edema and range-of-motion limitations. The clinical workflow begins with a treating clinician (physical therapist, wound care nurse, or physician) documenting medical necessity for whirlpool therapy in the plan of care, including frequency and duration. A durable medical equipment (DME) supplier coordinates delivery and setup at the patient’s residence or in a skilled nursing facility. The supplier documents delivery, patient education on safe entry/exit using the walk-in door, and any special accommodations (portable power or water connections). Follow-up visits by the ordering clinician assess therapeutic response, skin integrity, and continued medical necessity for ongoing use. Billing to payors such as Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, BUCA, and Medicare uses K1003 with appropriate modifiers when circumstances (e.g., unusual service complexity, bilateral needs, provider-originated services) apply.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    97014Application of a modality to 1 or more areas; electrical stimulation (unattended)Often performed in the same home health or outpatient rehabilitation episode alongside whirlpool hydrotherapy for pain control and tissue healing.
    97022Whirlpool, hydrotherapy; immersion in water, full bodyA direct therapeutic modality that may be billed when facility-based whirlpool hydrotherapy (non-portable) is provided; relates conceptually to portable whirlpool use documented with K1003.
    97530Therapeutic activities, direct (one-on-one)May be used by therapists who incorporate whirlpool as part of a broader therapeutic session addressing functional deficits.
    97602Debridement, open wounds, non-selective (e.g., wet to moist dressings, topical enzymatic, abrasion)Procedural wound care that may occur before or after whirlpool therapy; whirlpool is used for wound cleansing and maceration preparation.
    99070Supplies and materials (eg, drugs, appliances, equipment) provided by the physician over and above those usually included with the office visitCaptures physician-supplied items relative to care episodes and can be associated in documentation when additional supplies accompany whirlpool use.

    Related Modifiers

    7 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…
    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
    3336C0002X
    193200000X
    207Q00000X
    2084S0010X
    246QI0000X
    261QV0200X
    3418M1120X
    208200000X

    Related ICD-10-CM Codes

    24 rows

    ICD-10-CM CodeDescription
    G62.9Polyneuropathy, unspecified
    G83.4Cauda equina syndrome
    M16.11Unilateral primary osteoarthritis, right hip
    M16.12Unilateral primary osteoarthritis, left hip
    M17.0Bilateral primary osteoarthritis of knee
    M17.11Unilateral primary osteoarthritis, right knee
    M17.12Unilateral primary osteoarthritis, left knee
    M19.071Primary osteoarthritis, right ankle and foot
    M19.072Primary osteoarthritis, left ankle and foot
    M20.11Hallux valgus (acquired), right foot

    Showing 1–10 of 24

    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-K1002-CRANIAL-ELECTROTHERAPY-STIMULATION-SYSTEM

    HCPCS K1002: Cranial Electrotherapy Stimulation System

    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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