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    v1.0.28
    OpenPayerBilling CodesDurable Medical EquipmentHCPCS hcpcs-e0445-oximeter-noninvasive-pulse-oximetry-device
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    HCPCS Level II E0445: Oximeter Device for Non-Invasive Blood Oxygen Measurement

    HCPCS Level II code E0445 describes an oximeter device for non-invasive measurement of blood oxygen levels, a durable medical equipment item used for pulse oximetry monitoring; service type: durable medical equipment (DME); typical site of service: home use or outpatient settings where continuous or spot-check oxygen saturation assessments are needed.

    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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    Clinical & Coding Specifications

    Clinical Context

    A typical patient is an adult with chronic obstructive pulmonary disease (COPD) or congestive heart failure who presents to a primary care clinic or pulmonary specialty practice for evaluation of dyspnea or oxygenation status. The clinician orders a noninvasive pulse oximeter device (E0445) to measure peripheral oxygen saturation (SpO2) and heart rate on an ambulatory or home-use basis. The clinical workflow: the clinician documents the indication (for example, hypoxemia, nocturnal desaturation screening, titration of supplemental oxygen, or monitoring during activity), prescribes the device and duration of need, provides training on proper sensor placement and use, and arranges delivery or pickup. Device setup may occur in the clinic, pulmonary lab, or durable medical equipment supplier location. Results are used to guide supplemental oxygen orders, adjust activity recommendations, or trigger further testing such as arterial blood gas or overnight oximetry/polysomnography.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    94760Noninvasive ear or pulse oximetry for oxygen saturation; single determinationPerformed in clinic or emergency setting to obtain a point SpO2 measurement before providing or ordering a home pulse oximeter E0445.
    94761Noninvasive ear or pulse oximetry for oxygen saturation; multiple determinations (eg, during exercise)Used when serial spot checks are performed during an office-based exercise test or six-minute walk to document desaturation and justify E0445 provision.
    94640Pressurized or nonpressurized inhalation treatment for acute airway obstruction (eg, nebulizer therapy)May be provided in the same visit when oximetry documents hypoxemia prompting bronchodilator therapy; supports clinical workflow but is a separate billable service.
    93000Electrocardiogram, routine ECG with at least 12 leads; with interpretation and reportOften performed alongside oximetry when evaluating cardiac causes of dyspnea that relate to oxygenation status.
    95800Sleep study, unattended portable monitor (Type III)Home oximetry data from E0445 may prompt or complement formal unattended portable sleep testing for suspected sleep-disordered breathing.

    Related Modifiers

    7 rows

    ModifierDescriptionWhen to Use
    26Modifier 26 (Professional Component) identifies and bills only the professional portion of a split service — the physician’s interpretation, report, and medical judgment — when the technical…- Use CPT Modifier -26 when you are billing only the professional component (PC) of a split‑bill eligible service—i.e., you performed the physician interpretation, medical judgment and prepared a…
    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…
    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…
    80CPT® Modifier 80 (Assistant Surgeon) is appended to a surgical CPT code when a physician (MD or DO) provides full, continuous assistance throughout the operative procedure. It is intended only for…- Use CPT Modifier -80 when a physician (MD or DO) serves as an assistant surgeon and provides full, continuous assistance throughout the entire operative procedure; append -80 to the surgical CPT…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    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…
    207L00000XAnesthesiology PhysicianAn anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an opera…
    208000000XPediatrics PhysicianA pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectru…
    207P00000XEmergency Medicine PhysicianAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospit…
    363A00000XPhysician AssistantA physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and…
    111NX0800XOrthopedic ChiropractorChiropractic Orthopedics/Neuromusculoskeletal Medicine is defined as that branch of chiropractic medicine that includes the continued acquisition of k…
    261QS1200XSleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities · Clinic/Center
    163WP2201XAmbulatory Care Registered NurseNursing Service Providers · Registered Nurse

    Related Payer Policy Updates

    Specialty: Durable Medical Equipment (DME)1 / 3

    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-E0100-CANE-DURABLE-MEDICAL-EQUIPMENT-AMBULATION

    HCPCS E0100: Cane, Adjustable or Fixed, With Tip

    HCPCS-E0105-CANE-QUAD-THREE-PRONG-MOBILITY-AID

    HCPCS Level II E0105: Cane, Quad or Three-Prong, Includes Tips

    HCPCS-E0110-FOREARM-CRUTCHES-PAIR-DME-MOBILITY

    HCPCS Level II E0110: Forearm Crutches, Pair, Complete with Tips and Handgrips

    HCPCS-E0111-CRUTCH-FOREARM-DURABLE-MEDICAL-EQUIPMENT

    HCPCS Level II E0111: Crutch, Forearm, With Tip and Handgrips

    HCPCS-E0112-UNDERARM-WOOD-CRUTCHES-PAIR

    HCPCS Level II E0112: Underarm Wooden Crutches, Pair

    HCPCS-E0113-CRUTCH-UNDERARM-WOOD-ADJUSTABLE-FIXED-WITH-PAD-TIP-HANDGRIP

    HCPCS Level II E0113: Crutch Underarm, Wood, Adjustable or Fixed

    HCPCS-E0114-UNDERARM-CRUTCHES-PAIR-ADJUSTABLE-FIXED

    HCPCS Level II E0114: Underarm (Axillary) Crutches, Adjustable or Fixed, Pair

    HCPCS-E0116-UNDERARM-CRUTCH-NON-WOOD-ADJUSTABLE-FIXED

    HCPCS E0116: Underarm Crutch, Non-Wood, Adjustable/Fixed with Pad

    HCPCS-E0117-ARTICULATING-SPRING-ASSISTED-UNDERARM-CRUTCH

    HCPCS Level II E0117: Crutch, Underarm, Articulating, Spring-Assisted

    HCPCS-E0118-LOWER-LEG-PLATFORM-CRUTCH-SUBSTITUTE

    HCPCS E0118: Crutch Substitute, Lower Leg Platform

    Showing 1–10 of 670

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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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