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    v1.0.28
    OpenPayerBilling CodesProcedures / Professional ServicesHCPCS hcpcs-g0237-respiratory-muscle-strengthening-15-min
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    HCPCS G0237: Respiratory Muscle Strengthening, 15-Min Intervals

    Medicare pays $13 and commercial payers pay $17 on average nationally for this procedure.

    HCPCS Level II code G0237 describes face-to-face, one-on-one therapeutic procedures to increase strength or endurance of respiratory muscles, billed in 15-minute increments and including monitoring; typical service type is respiratory muscle strengthening therapy and the typical site of service is outpatient or clinic-based pulmonary rehabilitation/respiratory therapy settings.

    For related coverage guidance, see recent payer policy updates: Esophagogastroduodenoscopy (EGD) Coverage Policy, Magnetic Sphincter Augmentation for the Treatment of Gastroesophageal Reflux Disease (GERD), Fecal Analysis in the Diagnosis of Intestinal Dysbiosis and Fecal Microbiota Transplant Testing.

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    National Reimbursement Benchmarks

    National means place Medicare and BUCA relatively close on average for G0237: Medicare’s mean is $13.3 versus BUCA’s average commercial mean of $17.4, so BUCA sits about $4.1 higher than Medicare on mean reimbursement. Blue Cross Blue Shield and Cigna pull averages upward with higher mean values and long upper tails, while Aetna and UnitedHealth Group cluster nearer to the lower-middle of the national spectrum.

    Examining dispersion via the interquartile range (P75 minus P25) highlights where rates concentrate: Blue Cross Blue Shield has a range of $9.0, Cigna shows a wide spread of $6.3, UnitedHealth Group’s IQR is $9.5, Aetna is tight at $8.0, and BUCA’s IQR is $8.5. UnitedHealth Group and Blue Cross Blue Shield exhibit the widest spread among payers listed, indicating greater variability in commercially negotiated mid-to-upper rates, while Aetna is among the tighter payers in terms of middle‑50% concentration.

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    National Payer Mean Reimbursement Rates

    State Reimbursement Rates

    State: Alaska1 / 51

    Rate by payer

    Clinical & Coding Specifications

    Clinical Context

    A 62-year-old male with a recent diagnosis of pulmonary mycobacterial infection (A31.0) is referred to outpatient pulmonary rehabilitation after prolonged hospitalization for cavitary lung disease causing respiratory muscle deconditioning. The patient has dyspnea on minimal exertion, reduced inspiratory capacity, and fatigue with activities of daily living. A board-certified pulmonary disease physician (207RP1001X) evaluates and orders a course of respiratory muscle training. A certified respiratory therapist (227900000X) provides one-on-one, face-to-face therapeutic procedures to increase strength and endurance of respiratory muscles, billed as G0237 in 15-minute increments. Each session includes monitoring of vital signs, oxygen saturation, patient tolerance, and progression of resistive or threshold inspiratory muscle training devices. Documentation includes start and stop times, objective measures (eg, maximal inspiratory pressure), patient response, and any adjunctive instruction for home exercises. Typical workflow: physician evaluation and order → initial functional assessment by respiratory therapist → individualized 15-minute G0237 treatment units delivered one-on-one with monitoring → periodic reassessment by the pulmonary disease physician and titration of therapy intensity. Typical site of service is an outpatient pulmonary rehabilitation clinic or hospital outpatient department where face-to-face, one-on-one respiratory muscle training can be delivered.

    Related CPT Codes

    CPT CodeDescription

    Related Modifiers

    7 rows

    ModifierDescriptionWhen to Use
    25CPT modifier 25 indicates that on the same day as another procedure or service, the same physician or other qualified health care professional provided a significant, separately identifiable…- When to apply: Use modifier 25 only on an E/M code to indicate the same provider delivered a significant, separately identifiable E/M service on the same day as another procedure or service — i.e.,…
    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…
    59Modifier 59 indicates a distinct procedural service when two procedures that are not normally billed together are clinically and procedurally separate. The CPT definition (as reiterated by CMS)…- Use modifier -59 to report a distinct procedural service when documentation supports that the procedure reported is not normally billed together with another service on the same day because of a…
    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…
    95Modifier 95 indicates that a service was provided via synchronous, real‑time audio‑video telehealth rather than in‑person. Per CMS, AAPC and professional associations, append modifier 95 to claim…- Use modifier 95 to indicate a service was furnished via synchronous, real‑time audiovisual telehealth (a live audio‑video conference between patient and provider) rather than in‑person. - Pair…

    Related Provider Taxonomies

    8 rows

    Taxonomy CodeSpecialtyNotes
    227900000XRegistered Respiratory TherapistA Registered Respiratory Therapist (RRT) is an advanced therapist who has passed standardized written and clinical simulation examinations administere…
    2278C0205XCritical Care Certified Respiratory TherapistRespiratory emergencies are commonplace in the treatment of critical care patients. Included in the assessment measurements conducted by the respirat…
    207RP1001XPulmonary Disease PhysicianAn internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational an…
    207XX0004XOrthopaedic Foot and Ankle Surgery PhysicianRecognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, foot and ankle surgeons deal with adult recons…
    103GC0700XDeactivated - Clinical Neuropsychologist
    376K00000XNurse's Aide(1) An unlicensed individual who is trained to function in an assistive role to the licensed nurse in the provision of patient/client activities as de…
    3336M0002XMail Order PharmacyA pharmacy where pharmacists compound or dispense prescriptions or other medications in accordance with federal and state law, using common carriers t…
    231HA2400XAssistive Technology Practitioner AudiologistSpeech, Language and Hearing Service Providers · Audiologist

    Related Payer Policy Updates

    Specialty: Gastroenterology1 / 3

    7 rows

    PolicyPayerEffective Date
    Esophagogastroduodenoscopy (EGD) Coverage Policyevicore2026-11-05
    Magnetic Sphincter Augmentation for the Treatment of Gastroesophageal Reflux Disease (GERD)univerahealthcare2026-10-15
    Fecal Analysis in the Diagnosis of Intestinal Dysbiosis and Fecal Microbiota Transplant TestingOscar Health2026-10-01
    Serum Testing for Hepatic Fibrosis in the Evaluation and Monitoring of Chronic Liver DiseaseOscar Health2026-10-01
    Pancreatic Enzyme Testing for Acute PancreatitisOscar Health2026-10-01
    Helicobacter pylori TestingOscar Health2026-10-01
    Celiac Disease TestingOscar Health2026-10-01

    Related Codes

    HCPCS-G9490-HOME-ASSESSMENT-NON-HOMEBOUND

    HCPCS G9490: Home Visit Patient Assessment for Non-Homebound Beneficiary

    HCPCS-G0008-INFLUENZA-VACCINE-ADMINISTRATION

    HCPCS G0008: Administration of Influenza Virus Vaccine

    HCPCS-G0009-PNEUMOCOCCAL-VACCINE-ADMINISTRATION

    HCPCS G0009: Administration of Pneumococcal Vaccine

    HCPCS-G0010-HEPATITIS-B-VACCINE-ADMINISTRATION

    HCPCS G0010: Administration of Hepatitis B Vaccine

    HCPCS-G0011-PREP-COUNSELING-HIV-RISK-REDUCTION-ADHERENCE

    HCPCS G0011: Individual PrEP Counseling, HIV Risk Assessment

    HCPCS-G0012-PRE-EXPOSURE-PROPHYLAXIS-INJECTION-HIV-PREVENTION

    HCPCS G0012: Injection of PrEP Drug for HIV Prevention

    HCPCS-G0013-PREP-INDIVIDUAL-COUNSELING-HIV-RISK-REDUCTION

    HCPCS G0013: Individual PrEP Counseling by Clinical Staff

    HCPCS-G0017-PSYCHOTHERAPY-CRISIS-FIRST-60-MINUTES-NON-OFFICE

    HCPCS G0017: Psychotherapy for Crisis, First 60 Minutes

    HCPCS-G0018-PSYCHOTHERAPY-CRISIS-ADDITIONAL-30-MINUTES-NON-OFFICE

    HCPCS G0018: Psychotherapy for Crisis, Additional 30 Minutes

    HCPCS-G0019-COMMUNITY-HEALTH-INTEGRATION-SDOH-CARE-COORDINATION

    HCPCS G0019: Community Health Integration, Person-Centered Assessment

    Showing 1–10 of 1996

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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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    Trek Health powers OpenPayer with a leading commercial payer intelligence platform, seamlessly converting fragmented payer data into actionable insights for provider organizations.

    Trek Health ingests and normalizes Transparency in Coverage data and payer policy updates to give provider organizations a clear view of how commercial reimbursement behaves across markets, payers, and services. Our platform transforms raw payer disclosures into structured intelligence that supports contract evaluation, payer negotiations, and service line strategy. By combining market benchmarks with ongoing policy visibility, Trek helps teams identify variability, risk, and opportunity in commercial reimbursement. The result is faster insight, stronger negotiating positions, and more informed financial decisions.

    Relationship to This Procedure
    G0238Therapeutic procedures to improve respiratory function, other than described by G0237, one on one, face to face, per 15 minutes (includes monitoring)Use for other respiratory therapeutic activities that do not specifically target respiratory muscle strength/endurance but are provided one-on-one and billed in 15-minute increments.
    G0239Therapeutic procedures to improve respiratory function or increase strength or endurance of respiratory muscles, two or more individuals (includes monitoring)Use when similar respiratory therapy is delivered to a group setting (two or more individuals) rather than one-on-one, replacing G0237 in group contexts.