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    v1.0.28
    OpenPayerBilling CodesProcedures / Professional ServicesHCPCS hcpcs-g9577-opioid-therapy-over-six-weeks
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    HCPCS G9577: Patients Prescribed Opiates for Longer Than Six Weeks

    HCPCS Level II code G9577 documents patients prescribed opiates for longer than six weeks and is used to capture longitudinal opioid prescribing status for care management and quality measurement; the service type is long-term opioid therapy monitoring and documentation and the typical site of service is outpatient ambulatory settings where medication management and follow-up occur.

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    Clinical & Coding Specifications

    Clinical Context

    A 54-year-old patient with chronic low back pain has been prescribed opioid therapy daily for more than six weeks by a primary care physician. The patient presents to a pain management clinic for a follow-up visit for continued opioid prescribing, medication review, and risk assessment. The clinical workflow includes review of the opioid treatment history, assessment of pain control and functional status, evaluation for opioid-related adverse effects, screening for opioid use disorder risk (including screening tools and review of state prescription drug monitoring program), documentation of informed consent and treatment plan, consideration of urine drug testing, and discussion of tapering or alternative therapies if clinically indicated. The visit may result in continuation of the opioid prescription with documentation meeting chronic opioid therapy standards, initiation of additional monitoring (for example, urine drug screen), referral to specialty behavioral health or addiction medicine, or modification of the treatment plan.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    99214Office or other outpatient visit for the evaluation and management of an established patient, typically 25 minutesCommonly used for follow-up visits managing chronic opioid therapy with medical decision-making of moderate complexity
    99406Smoking and tobacco use cessation counseling visit, intermediate, greater than 3 minutes up to 10 minutesMay be provided as ancillary counseling during a chronic pain visit when tobacco cessation is addressed
    99408Alcohol and/or substance abuse structured screening and brief intervention services, 15–30 minutesUsed when structured brief intervention for substance misuse is performed as part of opioid risk management
    80305Drug test, presumptive, any number of drug classes; each procedureUsed when point-of-care urine drug testing is performed to monitor opioid adherence and unreported substance use
    99490Chronic care management services, at least 20 minutes of clinical staff time directed by a physician or other qualified health care professional, per calendar monthMay be used for non-face-to-face chronic care management services for patients on long-term opioid therapy

    Related Modifiers

    8 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…
    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…
    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…
    56Modifier ‑56 indicates the reporting provider furnished only the preoperative management for a surgical procedure and did not perform the intraoperative or postoperative care. It is used in…- Use Modifier -56 when a provider performs only the preoperative management in a split‑care situation (one physician manages preop care while a different physician performs the intraoperative…
    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…

    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…
    207L00000XAnesthesiology PhysicianAn anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an opera…
    163W00000XRegistered Nurse(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive…
    363LA2200XAdult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers · Nurse Practitioner
    246ZG0701XGraphics Methods Specialist/TechnologistNone
    207XX0005XSports Medicine (Orthopaedic Surgery) PhysicianAn orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by part…
    261QP3300XPain Clinic/CenterAmbulatory Health Care Facilities · Clinic/Center
    103TH0004XHealth PsychologistA psychologist who specializes in clinical health psychology that investigates and implements clinical services across diverse populations and setting…

    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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