HCPCS A-Codes
Transportation Services Including Ambulance, Medical & Surgical Supplies

This section covers a wide variety of medical and surgical supplies, as well as some DME-related supplies and accessories. Medicare generally covers DME-related supplies, accessories, maintenance, and repair under the prosthetic devices provision.


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  • A4557

    Lead wires, (e.g., apnea monitor), per pair
  • A4558

    Conductive gel or paste, for use with electrical device (e.g., tens, nmes), per oz
  • A4559

    Coupling gel or paste, for use with ultrasound device, per oz
  • A4560

    Neuromuscular electrical stimulator (nmes), disposable, replacement only
  • A4561

    Pessary, reusable, rubber, any type
  • A4562

    Pessary, reusable, non rubber, any type
  • A4563

    Rectal control system for vaginal insertion, for long term use, includes pump and all supplies and accessories, any type each
  • A4564

    Pessary, disposable, any type
  • A4565

    Slings
  • A4566

    Shoulder sling or vest design, abduction restrainer, with or without swathe control, prefabricated, includes fitting and adjustment
  • A4570

    Splint
  • A4575

    Topical hyperbaric oxygen chamber, disposable
  • A4580

    Cast supplies (e.g., plaster)
  • A4590

    Special casting material (e.g., fiberglass)
  • A4593

    Neuromodulation stimulator system, adjunct to rehabilitation therapy regime, controller
  • A4594

    Neuromodulation stimulator system, adjunct to rehabilitation therapy regime, mouthpiece each
  • A4595

    Electrical stimulator supplies, 2 lead, per month, (e.g., tens, nmes)
  • A4596

    Cranial electrotherapy stimulation (ces) system supplies and accessories, per month
  • A4600

    Sleeve for intermittent limb compression device, replacement only, each
  • A4601

    Lithium ion battery, rechargeable, for non-prosthetic use, replacement
  • A4602

    Replacement battery for external infusion pump owned by patient, lithium, 1.5 volt, each
  • A4604

    Tubing with integrated heating element for use with positive airway pressure device
  • A4605

    Tracheal suction catheter, closed system, each
  • A4606

    Oxygen probe for use with oximeter device, replacement
  • A4608

    Transtracheal oxygen catheter, each
  • A4611

    Battery, heavy duty; replacement for patient owned ventilator
  • A4612

    Battery cables; replacement for patient-owned ventilator
  • A4613

    Battery charger; replacement for patient-owned ventilator
  • A4614

    Peak expiratory flow rate meter, hand held
  • A4615

    Cannula, nasal
  • A4616

    Tubing (oxygen), per foot
  • A4617

    Mouth piece
  • A4618

    Breathing circuits
  • A4619

    Face tent
  • A4620

    Variable concentration mask
  • A4623

    Tracheostomy, inner cannula
  • A4624

    Tracheal suction catheter, any type other than closed system, each
  • A4625

    Tracheostomy care kit for new tracheostomy
  • A4626

    Tracheostomy cleaning brush, each
  • A4627

    Spacer, bag or reservoir, with or without mask, for use with metered dose inhaler
  • A4628

    Oral and/or oropharyngeal suction catheter, each
  • A4629

    Tracheostomy care kit for established tracheostomy
  • A4630

    Replacement batteries, medically necessary, transcutaneous electrical stimulator, owned by patient
  • A4633

    Replacement bulb/lamp for ultraviolet light therapy system, each
  • A4634

    Replacement bulb for therapeutic light box, tabletop model
  • A4635

    Underarm pad, crutch, replacement, each
  • A4636

    Replacement, handgrip, cane, crutch, or walker, each
  • A4637

    Replacement, tip, cane, crutch, walker, each.
  • A4638

    Replacement battery for patient-owned ear pulse generator, each
  • A4639

    Replacement pad for infrared heating pad system, each

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/3/2026

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