J3371 Vancomycin (HCPCS) Reimbursement & Policy | OpenPayer

Summary & Overview

HCPCS J3371: Vancomycin HCl Injection, 500 mg

HCPCS Level II code J3371 denotes a 500 mg injection of vancomycin hydrochloride (Mylan) that is specified as not therapeutically equivalent to J3370. As a commonly used parenteral glycopeptide antibiotic, this code identifies administration of vancomycin for serious gram-positive infections where intravenous therapy is indicated. Nationally, billing clarity for antibiotic injections matters for hospital, outpatient infusion centers, and emergency settings due to high frequency of use and cost implications.

Key payers covered in typical analyses include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of what the code represents, typical sites of service, and the clinical context for use. The publication discusses benchmarking and reimbursement context, common modifiers encountered in billing lines, and operational considerations for facility and professional billing workflows. Policy and payer coverage nuances that affect claim adjudication and billing practice are summarized so readers can understand how this HCPCS Level II code is applied across care settings. Data not available in the input is noted where relevant.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareJ3371HCPCS Level IIvancomycininjectable-antibioticinfusion-serviceshospital-outpatientantimicrobial-therapydrug-billing

Billing Code Overview

HCPCS Level II code J3371 represents an injection of vancomycin hydrochloride (Mylan), 500 mg, specified as not therapeutically equivalent to J3370. This code describes a parenteral antimicrobial medication intended for intravenous administration for treatment of serious gram-positive infections.

Service type: Injectable antimicrobial therapy (intravenous)

Typical site of service: Hospital inpatient, hospital outpatient, emergency department, and other facility-based infusion settings where parenteral antibiotics are administered.

Clinical & Coding Specifications

Clinical Context

A typical patient receiving J3371 is an adult or pediatric patient with a serious gram-positive infection requiring intravenous vancomycin where the branded or manufacturer-specific product described by J3371 (vancomycin HCl, Mylan, 500 mg) is used and is documented as not therapeutically equivalent to J3370. A common scenario is a hospitalized patient with suspected or confirmed methicillin-resistant Staphylococcus aureus (MRSA) bacteremia, complicated skin and soft tissue infection, or post-operative surgical site infection who requires IV vancomycin dosing and therapeutic drug monitoring.

The clinical workflow: the admitting team documents the indication and orders IV vancomycin. Pharmacy verifies the exact product and supplies the J3371 vial(s). Nursing prepares and administers the IV infusion per facility protocol, documents lot number and dose, and monitors for infusion-related reactions (including Red Man Syndrome). Pharmacy and laboratory coordinate serum trough or area-under-curve monitoring and adjust dosing. Billing applies J3371 per 500 mg unit supplied, with applicable modifiers for circumstances such as increased procedural services, discontinued services, or supervision status.

Coding Specifications

Modifier	Description	When to Use

HCPCS J7186: Antihemophilic Factor VIII/vWF Complex Injection

HCPCS-J7628-BITOLTEROL-INHALATION-COMPOUNDED-DME

HCPCS J7628: Bitolterol Mesylate Inhalation Solution, Compounded

HCPCS-J7669-METAPROTERENOL-INHALATION-SOLUTION-UNIT-DOSE-DME

HCPCS J7669: Metaproterenol Sulfate Inhalation Solution, Unit Dose

HCPCS-J0180-AGALSIDASE-BETA-INJECTION-1MG

HCPCS J0180: Injection, agalsidase beta, 1 mg

HCPCS-J0691-LEFAMULIN-INJECTION-1MG

HCPCS Level II J0691: Injection, lefamulin, 1 mg

HCPCS-J2590-OXYTOCIN-INJECTION-UP-TO-10-UNITS

HCPCS J2590: Oxytocin Injection, Up to 10 Units

HCPCS-J0364-APOMORPHINE-HYDROCHLORIDE-INJECTION-1MG

HCPCS J0364: Apomorphine Hydrochloride Injection, 1 mg

HCPCS-J7030-INFUSION-NORMAL-SALINE-1000CC

HCPCS J7030: Infusion of Normal Saline Solution, 1000 cc

HCPCS-J0614-TREOSULFAN-50MG-INJECTION

HCPCS Level II J0614: Injection, treosulfan, 50 mg

HCPCS-J0380-METARAMINOL-INJECTION-10MG

HCPCS J0380: Metaraminol Injection, per 10 mg

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`22`	Increased procedural services	Use when documentation supports substantially greater work than typical for preparation or administration related to vancomycin (rare for routine infusion).
`23`	Unusual anesthesia	Not typically applicable to IV antibiotic administration unless unusual anesthesia services are directly involved.
`52`	Reduced services	Use when the vancomycin dose or service was partially performed or reduced in scope but still billed.
`53`	Discontinued procedure	Use when the vancomycin administration was started but discontinued due to patient condition or adverse reaction.
`54`	Surgical care only	Not commonly used for drug administration alone; used if vancomycin is billed in the context of split surgical care.
`55`	Postoperative management only	Use when another provider billed the operative portion and vancomycin administration is billed under postoperative management.
`56`	Preoperative management only	Use when only preoperative services are furnished and documented separately from the drug administration.
`62`	Two surgeons	Use when two surgeons are required and documentation supports separate roles; rarely relevant to medication coding.
`AS`	Physician assistant, nurse practitioner, or clinical nurse specialist services for assistant at surgery	Rare for medication administration; use if an advanced practice clinician is documented as assistant at surgery when drug administration intersects with operative services.
`QX`	CRNA service: medical direction of two, three, or four concurrent anesthesia procedures	Not typically applicable to antibiotic administration unless anesthesia supervision is documented.
`QY`	Medical direction of one CRNA by an anesthesiologist	Same as `QX`—not typical for this drug code.
`SH`	Office or other outpatient service furnished under a partial hospitalization plan of care	Use when vancomycin infusion is provided under a partial hospitalization program and documentation supports `SH`.
`SJ`	Services delivered under a community mental health center	Use only when applicable in that specific setting and documented.
`CQ`	Service furnished by a physician with a COI or ownership interest	Use when provider has a financial relationship and policies require disclosure via modifier.

Taxonomy Code	Specialty	Notes
`207L00000X`	Internal Medicine	Hospitalists and internists commonly order and manage IV vancomycin.
`207Q00000X`	Infectious Disease	Infectious disease physicians direct selection and monitoring of vancomycin therapy.
`363LP0800X`	Pharmacy	Clinical pharmacists perform dosing, preparation, and therapeutic drug monitoring.
`208D00000X`	General Surgery	Surgeons may order perioperative IV vancomycin for surgical infections or prophylaxis in certain cases.
`163W00000X`	Nurse Practitioner	NPs in inpatient or infusion clinics often manage administration and documentation.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`A41.0`	Sepsis due to Staphylococcus aureus	Vancomycin used for suspected or confirmed MRSA sepsis.
`A49.02`	Methicillin resistant Staphylococcus aureus infection, unspecified site	Direct indication for vancomycin therapy.
`B95.62`	Methicillin resistant Staphylococcus aureus infection as the cause of diseases classified elsewhere	Used as a secondary code to identify MRSA etiology when vancomycin is given.
`J15.211`	Pneumonia due to methicillin resistant Staphylococcus aureus	MRSA pneumonia may require IV vancomycin.
`L03.116`	Cellulitis of lower limb due to MRSA	Complicated skin and soft tissue infections are treated with vancomycin when MRSA is suspected or proven.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`36415`	Collection of venous blood by venipuncture	Often performed for baseline labs and vancomycin serum trough or AUC monitoring prior to dose adjustments.
`96365`	Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour	Used when billing the infusion service for the initial hour of IV antibiotic infusion when facility/professional reporting applies.
`96366`	Intravenous infusion, each additional hour (List separately in addition to code for primary service)	Used for each additional hour of continuous infusion beyond the initial hour when applicable.
`96374`	Therapeutic, prophylactic, or diagnostic injection (intramuscular)	Not typical for vancomycin (IV preferred) but listed when parenteral injection coding is needed for single injections.
`36416`	Collection of capillary blood specimen	Used in pediatric or point-of-care settings for therapeutic monitoring when capillary specimens are appropriate.

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