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    v1.0.28
    OpenPayerBilling CodesProsthetic ProceduresHCPCS hcpcs-l5220-above-knee-short-prosthesis-stubbie-articulated-ankle-foot
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    HCPCS Level II L5220: Above-Knee Short Prosthesis (Stubbies)

    HCPCS Level II code L5220 describes an above-knee short prosthesis (stubbies) without a knee joint, with an articulated ankle/foot, dynamically aligned, intended as a lower-limb prosthetic device for patients requiring a short residual limb solution; service type: prosthetic device fabrication and delivery; typical site of service: prosthetics clinic, orthotics and prosthetics (O&P) facility, or outpatient rehabilitation setting.

    For related coverage guidance, see recent payer policy updates: External Prosthetic Devices, Orthotics.

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    Table of contents

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    Clinical & Coding Specifications

    Clinical Context

    A middle-aged patient with a transfemoral (above-knee) limb loss presents to a prosthetics clinic for fitting of a short, above-knee prosthesis without a knee joint — commonly called a "stubbie" — equipped with an articulated ankle/foot and dynamically aligned. The patient may have undergone recent surgical amputation for trauma, tumor resection, or vascular disease and requires a short-length socket for mobility training in community and indoor environments. The clinical workflow includes: initial prosthetic assessment by a prosthetist and physiatrist or orthopedic surgeon; socket casting or digital scan; component selection (short pylon, appropriate foot/ankle assembly, and dynamic alignment components); fabrication and bench alignment; initial fitting and dynamic alignment adjustments during gait training with a physical therapist; follow-up visits for prosthetic tuning, socket modifications, and patient education on donning/doffing and skin care. Typical sites of service are outpatient prosthetics clinics, rehabilitation hospitals, and ambulatory surgery centers when fabrication/fitting requires on-site modifications.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    97760Orthotic and prosthetic management and training, initial encounter; lower extremity, upper extremity, and trunk, including assessment and fit, with training in donning/doffing, skin care, and gait training (per 15 minutes)Used during initial prosthesis fitting and patient training sessions to bill therapy time associated with the stubbie prosthesis
    97763Orthotic/prosthetic management and training, subsequent encounterUsed for follow-up training visits for adjustments, functional training, and re-assessment after initial fitting
    97161Physical therapy evaluation, low complexityMay be used when a physical therapist evaluates the patient’s functional status and mobility needs before or after prosthetic fitting
    99070Supplies and materials provided by the physician over and above those usually included with the office visitUsed to bill for additional expendable supplies used during fitting or adjustments when applicable
    99080Miscellaneous administrative servicesUsed for documentation or record retrieval required by payors in complex cases involving medical necessity or justification

    Related Modifiers

    9 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…
    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…
    78CPT modifier -78 indicates an unplanned, related return to the operating or procedure room by the same provider during the global postoperative period. It is appended when treatment for a…- Use modifier -78 when an unplanned, related complication during the original procedure’s global postoperative period requires the patient to return to a formal operating or procedure room and the…
    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…
    82Modifier 82 is appended to a surgical CPT code to indicate that an attending physician acted as an assistant because a qualified resident surgeon was unavailable. In teaching hospitals it documents…- When to use: Append modifier 82 in teaching-hospital settings to indicate a physician served as an assistant surgeon because a qualified resident surgeon was unavailable (includes situations where…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    332B00000XDurable Medical Equipment & Medical SuppliesA supplier of medical equipment such as respirators, wheelchairs, home dialysis systems, or monitoring systems, that are prescribed by a physician for…
    2084P0800XPsychiatry PhysicianA Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, …
    207X00000XOrthopaedic Surgery PhysicianAn orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated…
    3336C0002XClinic PharmacyA pharmacy in a clinic, emergency room or hospital (outpatient) that dispenses medications to patients for self-administration under the supervision o…
    207L00000XAnesthesiology PhysicianAn anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an opera…
    103TE1100XExercise & Sports PsychologistA psychologist with a proficiency in sports psychology that uses psychological knowledge and skills to address optimal performance and well-being of a…
    225XF0002XFeeding, Eating & Swallowing Occupational TherapistOccupational therapists provide interventions to clients of all ages with feeding, eating and swallowing difficulties. Occupational therapists provid…
    390200000XStudent in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensur…

    Related ICD-10-CM Codes

    24 rows

    ICD-10-CM CodeDescription
    E10.621Type 1 diabetes mellitus with foot ulcer
    E11.621Type 2 diabetes mellitus with foot ulcer
    G54.6Phantom limb syndrome with pain
    G62.0Drug-induced polyneuropathy
    I70.233Atherosclerosis of native arteries of right leg with ulceration of ankle
    I70.235Atherosclerosis of native arteries of right leg with ulceration of other part of foot
    M86.671Other chronic osteomyelitis, right ankle and foot
    M86.672Other chronic osteomyelitis, left ankle and foot
    M96.811Intraoperative hemorrhage and hematoma of a musculoskeletal structure complicating other procedure
    M96.821Accidental puncture and laceration of a musculoskeletal structure during other procedure

    Showing 1–10 of 24

    Related Payer Policy Updates

    Specialty: Prosthetics & Orthotics1 / 1

    2 rows

    PolicyPayerEffective Date
    External Prosthetic Devicesuniverahealthcare2026-08-17
    Orthoticsuniverahealthcare2026-08-17

    Related Codes

    HCPCS-L5000-PARTIAL-FOOT-SHOE-INSERT-LONGITUDINAL-ARCH-TOE-FILLER

    HCPCS Level II L5000: Partial Foot Shoe Insert with Longitudinal Arch, Toe Filler

    HCPCS-L5010-PARTIAL-FOOT-MOLDED-SOCKET-ANKLE-HEIGHT-TOE-FILLER

    HCPCS L5010: Partial Foot Molded Socket, Ankle Height, With Toe Filler

    HCPCS-L5020-PARTIAL-FOOT-MOLDED-SOCKET-TIBIAL-TUBERCLE-TOE-FILLER

    HCPCS L5020: Partial Foot Molded Socket with Toe Filler

    HCPCS-L5050-ANKLE-SYMES-MOLDED-SOCKET-SACH-FOOT

    HCPCS L5050: Ankle/Symes Molded Socket with SACH Foot

    HCPCS-L5060-ANKLE-SYMES-METAL-FRAME-MOLDED-LEATHER-SOCKET-ARTICULATED-ANKLE-FOOT

    HCPCS L5060: Ankle/Symes Metal Frame with Molded Leather Socket

    HCPCS-L5100-BELOW-KNEE-MOLDED-SOCKET-SHIN-SACH-FOOT

    HCPCS Level II L5100: Below-Knee Molded Socket with Shin and SACH Foot

    HCPCS-L5105-BELOW-KNEE-PLASTIC-SOCKET-SACH-FOOT

    HCPCS L5105: Below-Knee Plastic Socket Prosthesis with SACH Foot

    HCPCS-L5150-KNEE-DISARTICULATION-MOLDED-SOCKET-EXTERNAL-KNEE-SACH-FOOT

    HCPCS L5150: Knee Disarticulation Molded Socket with External Knee and SACH Foot

    HCPCS-L5160-KNEE-DISARTICULATION-MOLDED-SOCKET-BENT-KNEE-SACH-FOOT

    HCPCS Level II L5160: Knee Disarticulation Molded Socket, Bent Knee Configuration

    HCPCS-L5200-ABOVE-KNEE-MOLDED-SOCKET-SINGLE-AXIS-KNEE-SACH-FOOT

    HCPCS Level II L5200: Above-knee Prosthesis with Molded Socket and Single-axis Knee

    Showing 1–10 of 472

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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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