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    v1.0.28
    OpenPayerBilling CodesTemporary CodesHCPCS hcpcs-q4037-short-leg-plaster-cast-supplies-adult
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    HCPCS Q4037: Short Leg Cast Supply, Adult (Plaster)

    HCPCS Level II code Q4037 denotes cast supplies for a short leg cast for adults (11 years and older) made of plaster, representing the supply component of casting for lower-extremity immobilization; service type is cast supply and the typical site of service is ambulatory or hospital outpatient setting where orthopedic casting is performed.

    For related coverage guidance, see recent payer policy updates: B-Hemolytic Streptococcus Testing, Human Immunodeficiency Virus (HIV) — Coverage Criteria for Testing and Resistance Assays, Hepatitis Testing (A, B, C, D) Coverage Criteria.

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    Table of contents

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    Clinical & Coding Specifications

    Clinical Context

    A typical adult patient presents to an urgent care or orthopedic clinic after an acute inversion injury of the ankle sustained while playing recreational sports. The clinician performs a focused musculoskeletal exam and obtains plain radiographs to exclude displaced fractures. Radiographs show no displaced fracture but clinical instability and swelling warrant immobilization. The patient is fitted with a short leg plaster cast using Q4037 cast supplies for immobilization and pain control. The workflow includes initial evaluation, imaging, wound/skin assessment, selection of appropriate cast type and size, application of stockinette and padding, placement of plaster bandage material, molding to the ankle and lower leg, drying time monitoring, and discharge instructions including elevation, weight-bearing status, and return precautions. Typical sites of service are outpatient clinics, urgent care centers, emergency departments, and orthopedic ambulatory procedure areas. The service applies to adults and adolescents aged 11 years and older requiring a short leg plaster cast for immobilization of the ankle, distal tibia/fibula, or foot injuries where plaster is clinically indicated.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    29075Application of short leg cast (calf to foot)Directly corresponds to application procedure that uses Q4037 cast supplies
    29515Application of splint to foot and/or ankle, staticAlternative or temporary immobilization prior to definitive casting
    20690Application of external fixation deviceUsed in more severe or unstable fractures before or instead of a short leg cast
    11042Debridement; skin, subcutaneous tissue and muscleMay be performed prior to cast application if wound care or debridement is required
    99070Supplies and materials provided by physician over and above those usually included with the office visitBilled when additional non-routine supplies (beyond typical cast kit) are furnished

    Related Modifiers

    5 rows

    ModifierDescriptionWhen to Use
    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…
    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…
    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…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    207Q00000XFamily Medicine PhysicianFamily Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadt…
    2080P0207XPediatric Hematology & Oncology PhysicianA pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous disea…
    3336C0003XCommunity/Retail PharmacyA pharmacy where pharmacists store, prepare, and dispense medicinal preparations and/or prescriptions for a local patient population in accordance wit…
    164W00000XLicensed Practical NurseAn individual with post-high school vocational training and practical experience in the provision of nursing care at a level less than that required f…
    133VN1201XObesity and Weight Management Nutrition Registered DietitianAn individual who is a Board Certified Specialist for Obesity and Weight Management and educates, supports, and advocates for patients and clients to …
    2279G1100XGeneral Care Registered Respiratory TherapistThis level of care includes diagnostics testing, therapeutics, monitoring, rehabilitation of patients with disorders of the cardiopulmonary system, as…
    363LX0001XObstetrics & Gynecology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers · Nurse Practitioner
    101YA0400XAddiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers · Counselor

    Related Payer Policy Updates

    Specialty: Infectious Disease1 / 3

    9 rows

    PolicyPayerEffective Date
    B-Hemolytic Streptococcus TestingOscar Health2026-10-01
    Human Immunodeficiency Virus (HIV) — Coverage Criteria for Testing and Resistance AssaysOscar Health2026-10-01
    Hepatitis Testing (A, B, C, D) Coverage CriteriaOscar Health2026-10-01
    Lyme Disease Testing Coverage CriteriaOscar Health2026-10-01
    Pathogen Panel TestingOscar Health2026-10-01
    Diagnostic Testing of Common Sexually Transmitted InfectionsOscar Health2026-10-01
    Testing for Vector-Borne InfectionsOscar Health2026-10-01
    Coronavirus Testing in the Outpatient SettingOscar Health2026-10-01
    Testing for Diagnosis of Active or Latent TuberculosisOscar Health2026-10-01

    Related Codes

    HCPCS-LEVEL-II-Q4139-INJECTABLE-AMNIOMATRIX-BIODMATRIX-1-CC

    HCPCS Q4139: Amniomatrix or Biodmatrix, Injectable, 1 cc

    HCPCS-LEVEL-II-Q4256-AREA-BASED-PROCEDURAL-ADD-ON-PER-SQ-CM

    HCPCS Q4256: MLG-complete Skin Graft Material, Per Sq Cm

    HCPCS-LEVEL-II-Q5132-ADALIMUMAB-AFZB-ABRILADA-10MG-INJECTION

    HCPCS Level II Q5132: Injection, adalimumab-afzb (Abrilada), 10 mg

    HCPCS-Q0035-CARDIOKYMOGRAPHY-CARDIAC-MOTION-RECORDING

    HCPCS Level II Q0035: Cardiokymography

    HCPCS-Q0081-INFUSION-THERAPY-NON-CHEMOTHERAPEUTIC-PER-VISIT

    HCPCS Level II Q0081: Infusion Therapy, Non‑Chemotherapeutic, Per Visit

    HCPCS-Q0083-CHEMOTHERAPY-NON-INFUSION-ADMINISTRATION

    HCPCS Q0083: Chemotherapy Administration, Non-Infusion Methods

    HCPCS-Q0084-CHEMOTHERAPY-INFUSION-ADMINISTRATION-PER-VISIT

    HCPCS Q0084: Chemotherapy Infusion Administration, Per Visit

    HCPCS-Q0085-CHEMOTHERAPY-INFUSION-PLUS-OTHER-TECHNIQUES-PER-VISIT

    HCPCS Q0085: Chemotherapy Infusion Plus Other Technique(s), Per Visit

    HCPCS-Q0091-PAP-SMEAR-SPECIMEN-COLLECTION-TRANSPORT

    HCPCS Q0091: Screening Papanicolaou Smear Collection and Transport

    HCPCS-Q0092-PORTABLE-XRAY-EQUIPMENT-SETUP

    HCPCS Q0092: Set-up Portable X-ray Equipment

    Showing 1–10 of 629

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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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