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    v1.0.28
    OpenPayerBilling CodesOutpatient PPSHCPCS hcpcs-c9601-drug-eluting-intracoronary-stent-additional-branch
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    HCPCS Level II C9601: Drug‑Eluting Intracoronary Stent, Additional Branch

    Commercial payers pay $1909 on average nationally for this procedure.

    HCPCS Level II code C9601 describes percutaneous transcatheter placement of drug-eluting intracoronary stent(s) for an additional branch of a major coronary artery performed in conjunction with coronary angioplasty; service type is a percutaneous coronary stent placement procedure and the typical site of service is a hospital catheterization laboratory or ambulatory surgical center where interventional cardiology procedures are performed.

    For related coverage guidance, see recent payer policy updates: Cardiac Computed Tomography (CCT)/Coronary Computed Tomographic Angiography (CCTA), Cardiovascular Disease Risk Assessment, Biomarkers for Myocardial Infarction and Chronic Heart Failure.

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    National Reimbursement Benchmarks

    National commercial reimbursement for HCPCS C9601 centers on BUCA’s average commercial rate of $1,908.80, with notable variation across major payers. Blue Cross Blue Shield (BCBS) and UnitedHealth Group show high tops ($8,030.60 and $35,564.00 respectively) and large central tendencies, while Cigna and Aetna present much lower medians ($309.90 and $627.00). BUCA’s mean provides a mid-market anchor between these extremes without min/max bounds. Dispersion analysis (P75 minus P25) highlights concentration and spread: Blue Cross Blue Shield’s dispersion is $3,855.40, UnitedHealth Group’s is $2,460.70, BUCA’s is $2,165.00, Aetna’s is $648.40, and Cigna’s is $0.00. Thus Cigna is the tightest (no interquartile spread) and BCBS the widest, indicating the greatest variability in commercial payments among the listed payers.

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    National Payer Mean Reimbursement Rates

    State Reimbursement Rates

    State: Alaska1 / 51

    Rate by payer

    Clinical & Coding Specifications

    Clinical Context

    A 68-year-old male with a history of hypertension, hyperlipidemia, and prior smoking presents to the emergency department with progressive chest pain at rest and dynamic ECG changes consistent with an acute coronary syndrome. Troponin elevations are present, and coronary angiography via the right radial artery demonstrates a flow-limiting lesion in a secondary branch of the left anterior descending artery. The interventional cardiology team performs percutaneous transcatheter placement of a drug-eluting intracoronary stent in the additional branch during the same procedural episode, with balloon angioplasty performed at the stent site.

    Pre-procedure workflow includes informed consent, review of antiplatelet/anticoagulant status, and baseline labs. Intra-procedure activities include vascular access, diagnostic coronary angiography, decision to stent the primary lesion(s) followed by placement of a drug-eluting stent in the additional branch (billed using C9601 as an add-on), hemostasis, and post-procedure monitoring in a cardiac observation or catheterization recovery area. Typical multidisciplinary providers include an interventional cardiology physician, cardiovascular nursing, and catheterization laboratory technologists. Post-procedure management documents antiplatelet therapy, access site status, and any complications such as bleeding or vessel dissection.

    Related CPT Codes

    CPT CodeDescriptionRelationship to This Procedure
    92928

    Related Modifiers

    9 rows

    ModifierDescriptionWhen to Use
    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…
    73Modifier 73 indicates a facility-level outpatient hospital or ASC procedure that was discontinued after the patient was prepared and taken to the procedure/operating room but before any anesthesia…- When to use: Apply CPT modifier 73 on the FACILITY (outpatient hospital or ASC) claim when the patient has been fully prepared and physically taken into the procedure/operating room but the…
    74Modifier ‑74 indicates an outpatient hospital or ASC procedure that was discontinued after anesthesia was administered and after the procedure had begun. Use this modifier when anesthesia (local,…- Use modifier -74 when a procedure in an outpatient hospital or ASC setting is terminated after anesthesia has been administered and after the procedure has commenced (for example, after incision,…
    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…
    76Modifier -76, Repeat Procedure or Service by Same Physician or Other Qualified Health Care Professional, is appended when the same provider performs an identical, medically necessary procedure or…- Use modifier -76 when the same physician or other qualified health care professional performs an identical procedure or service a second (or subsequent) time on the same date of service 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
    207RC0000XCardiovascular Disease PhysicianAn internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threaten…
    207RI0011XInterventional Cardiology PhysicianAn area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and p…
    207RG0300XGeriatric Medicine (Internal Medicine) PhysicianAn internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects o…
    251X00000XSupports Brokerage AgencyA provider of service/function that assists participating individuals to make informed decisions about what will work best for them is consistent with…
    2081P0010XPediatric Rehabilitation Medicine PhysicianA physiatrist who utilizes an interdisciplinary approach and addresses the prevention, diagnosis, treatment and management of congenital and childhood…
    2080H0002XPediatric Hospice and Palliative Medicine PhysicianA pediatrician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This speci…
    2472D0500XDarkroom TechnicianNone
    246QB0000XBlood Banking Specialist/TechnologistTechnologists, Technicians & Other Technical Service Providers · Specialist/Technologist, Pathology

    Related ICD-10-CM Codes

    17 rows

    ICD-10-CM CodeDescription
    I20.0Unstable angina
    I20.1Angina pectoris with documented spasm
    I20.81Angina pectoris with coronary microvascular dysfunction
    I20.89Other forms of angina pectoris
    I20.9Angina pectoris, unspecified
    I21.01ST elevation (STEMI) myocardial infarction involving left main coronary artery
    I21.02ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery
    I21.09ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall
    I21.11ST elevation (STEMI) myocardial infarction involving right coronary artery
    I21.19ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall

    Showing 1–10 of 17

    Related Payer Policy Updates

    Specialty: Cardiology1 / 3

    10 rows

    PolicyPayerEffective Date
    Cardiac Computed Tomography (CCT)/Coronary Computed Tomographic Angiography (CCTA)univerahealthcare2026-10-15
    Cardiovascular Disease Risk AssessmentOscar Health2026-10-01
    Biomarkers for Myocardial Infarction and Chronic Heart FailureOscar Health2026-10-01
    Multiple Procedure Payment Reduction for Diagnostic Cardiovascular ProceduresBlue Cross Blue Shield - Maine2026-10-01
    Cardiovascular Disease Risk Assessmentblue cross blue shield - louisiana2026-09-15
    Cardiovascular Disease Risk AssessmentBlue Cross Blue Shield - New Mexico2026-09-04
    Computed Tomography to Detect Coronary Artery CalcificationBluecross Idaho2026-09-01
    Intracoronary Drug Delivery Balloon ProceduresBlue Cross Blue Shield - Rhode Island2026-09-01
    Cardiac Imaging Guidelinesevicore2026-09-01
    Percutaneous Left Atrial Appendage Closure Device for Stroke PreventionAmbetter Georgia2026-08-26

    Related Codes

    HCPCS-C1713-IMPLANTABLE-ANCHOR-SCREW-BONE-FIXATION

    HCPCS C1713: Anchor/Screw for Bone or Soft Tissue Fixation (Implantable)

    HCPCS-C1714-TRANSLUMINAL-DIRECTIONAL-ATHERECTOMY-CATHETER

    HCPCS C1714: Catheter, transluminal atherectomy, directional

    HCPCS-C1715-BRACHYTHERAPY-NEEDLE

    HCPCS C1715: Brachytherapy Needle

    HCPCS-C1716-BRACHYTHERAPY-GOLD-198-SOURCE

    HCPCS C1716: Brachytherapy Source, Gold-198, Per Source

    HCPCS-C1717-HDR-BRACHYTHERAPY-IRIDIUM-192-SOURCE

    HCPCS C1717: HDR Iridium-192 Brachytherapy Source, Per Source

    HCPCS-C1719-BRACHYTHERAPY-IRIDIUM-192-SOURCE-NON-STRANDED

    HCPCS C1719: Brachytherapy Source, Iridium-192, Non-Stranded

    HCPCS-C1721-IMPLANTABLE-DUAL-CHAMBER-CARDIOVERTER-DEFIBRILLATOR

    HCPCS C1721: Cardioverter-Defibrillator, Dual Chamber (Implantable)

    HCPCS-C1724-ROTATIONAL-TRANSLUMINAL-ATHERECTOMY-CATHETER

    HCPCS Level II C1724: Rotational Transluminal Atherectomy Catheter

    HCPCS-C1725-TRANSLUMINAL-ANGIOPLASTY-CATHETER-NON-LASER

    HCPCS Level II C1725: Transluminal Angioplasty Catheter, Non-Laser

    HCPCS-C1726-NON-VASCULAR-BALLOON-DILATATION-CATHETER

    HCPCS C1726: Catheter, Balloon Dilatation, Non-Vascular

    Showing 1–10 of 603

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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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    Percutaneous transcatheter placement of intracoronary stent(s), with coronary angioplasty when performed; single major coronary artery or branch
    Primary-level CPT code describing stent placement for a single major coronary artery or branch; C9601 is an add-on HCPCS used for each additional branch beyond the primary vessel.
    93458Catheter placement in coronary artery(s) for coronary angiographyDiagnostic coronary catheterization that commonly precedes decision-making for PCI and stent placement.
    92920Percutaneous transluminal coronary angioplasty; single major coronary artery or branchBalloon angioplasty CPT code often performed with or prior to stent deployment; used when angioplasty is performed without stent placement or in addition to stenting when documented.
    93571Intravascular Doppler velocity and/or pressure derived coronary flow reserve measurementAncillary intracoronary physiologic assessment that may be performed during the procedure to guide lesion significance and stent placement decisions.