HCPCS J2865: Injection of Sulfamethoxazole and Trimethoprim - OpenPayer

Summary & Overview

HCPCS J2865: Injection of Sulfamethoxazole and Trimethoprim

HCPCS Level II code J2865 denotes an injectable formulation of sulfamethoxazole 5 mg and trimethoprim 1 mg. As a nationally recognized HCPCS Level II drug code, J2865 is used to bill for parenteral administration of this combined antibacterial agent in acute and ambulatory care settings. The code matters because injectable formulations are tracked separately from oral medications for clinical, inventory, and reimbursement purposes, and they appear on facility and professional claims when the drug is administered.

Key payers referenced in this analysis include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for injectable sulfamethoxazole/trimethoprim, common sites of service where the product is used, and the billing context for HCPCS Level II drug coding. The publication also outlines typical benchmarks and policy considerations that payers apply to HCPCS drug billing, and highlights areas where claim reviewers and billing teams commonly focus documentation and coding efforts.

Data not available in the input for specific associated taxonomies, ICD-10 diagnoses, related codes, detailed payer-specific reimbursement rates, and service-line mapping.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareJ2865HCPCS Level IIinjectable antibioticsulfamethoxazole-trimethoprimparenteral administrationdrug billinghospital outpatientemergency department

Billing Code Overview

HCPCS Level II code J2865 describes an injection of sulfamethoxazole 5 mg and trimethoprim 1 mg. This code represents a combined antibacterial intravenous medication formulation delivered as an injectable product.

Service type: Parenteral antibiotic administration
Typical site of service: Hospital inpatient, hospital outpatient, emergency department, or other clinic settings where injectable antibiotics are administered

Clinical & Coding Specifications

Clinical Context

A 68-year-old male with a history of chronic obstructive pulmonary disease (COPD) and recurrent urinary tract infections presents to the outpatient infusion clinic with an acute bacterial infection requiring intravenous antimicrobial therapy. The treating clinician orders intravenous sulfamethoxazole/trimethoprim, billed as J2865 (injection, sulfamethoxazole 5 mg and trimethoprim 1 mg). The typical workflow: patient triage and verification of identity and allergies, medication reconciliation, venous access placement (peripheral IV or existing PICC), preparation of the sterile injectable formulation by pharmacy, administration by a registered nurse with appropriate monitoring for adverse reactions, documentation of lot numbers and dose administered in the electronic health record, and billing using J2865 with applicable modifiers based on circumstances (for example, modifier 52 for reduced services when a partial vial is administered or modifier 76 for a repeat service on the same day if applicable). Typical site of service is an outpatient infusion center, emergency department, or inpatient hospital setting depending on clinical severity. The typical patient scenario includes patients unable to tolerate or absorb oral antibiotics, with severe infection requiring parenteral therapy, or when IV administration is chosen for immediate therapeutic levels or in perioperative prophylaxis when sulfamethoxazole/trimethoprim is indicated.

Coding Specifications

Modifier	Description	When to Use

HCPCS J2680: Fluphenazine Decanoate Injection, up to 25 mg

HCPCS-J0574-BUPRENORPHINE-NALOXONE-7-TO-10MG-ORAL

HCPCS J0574: Buprenorphine/Naloxone Oral, >6 mg to ≤10 mg Buprenorphine

HCPCS-J1165-PHENYTOIN-INJECTION-50MG

HCPCS J1165: Injection, Phenytoin Sodium, 50 mg

HCPCS-J2802-ROMIPLOSTIM-INJECTION-1-MCG

HCPCS J2802: Injection, romiplostim, 1 microgram

HCPCS-J3070-PENTAZOCINE-INJECTION-30MG

HCPCS J3070: Injection, Pentazocine 30 mg

HCPCS-J0650-LEVOTHYROXINE-INJECTION-10-MCG

HCPCS Level II J0650: Injection, Levothyroxine Sodium, 10 mcg

HCPCS-J0889-DAPRODUSTAT-ESRD-DIALYSIS-ORAL-1MG

HCPCS Level II J0889: Daprodustat, Oral 1 mg (ESRD on Dialysis)

HCPCS-J2920-METHYLPREDNISOLONE-INJECTION-UP-TO-40-MG

HCPCS J2920: Methylprednisolone Sodium Succinate Injection, up to 40 mg

HCPCS-J1630-HALOPERIDOL-INJECTION-UP-TO-5-MG

HCPCS J1630: Haloperidol Injection, Up to 5 mg

HCPCS-J2351-OCRELIZUMAB-HYALURONIDASE-INJECTION

HCPCS J2351: Ocrelizumab with Hyaluronidase Injection, 1 mg

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`00`	No modifier / standard service code	Use when no additional modifier applies and the service is reported as usual.
`22`	Increased procedural service	Use when administration required substantially greater resources (complex dosing, extended monitoring due to reaction) and documentation supports increased work.
`23`	Unusual anesthesia	Not typically applied to this drug; use only if unrelated anesthesia circumstances apply during administration.
`52`	Reduced services	Use when a reduced dose or partial administration of the vial occurs and full service was not provided.
`53`	Discontinued procedure	Use if administration was started but intentionally discontinued due to patient reaction or clinical change.
`55`	Postoperative management only	Rare for this injection; use if billing is limited to postoperative management separate from the initial surgical service.
`56`	Preoperative management only	Use when this drug administration is part of preoperative management billed separately.
`62`	Two surgeons	Not commonly applicable; use only if two surgeons participate in a concurrent procedure where this drug administration is reported.
`78`	Unplanned return to the operating/procedure room by same physician following initial procedure	Use only if drug administration is part of such an unplanned return.
`80`	Assistant surgeon	Not typically used for infusion; use only if assistant surgeon services are reported in conjunction with a procedure.
`82`	Assistant surgeon (when qualified resident not available)	As above, only if applicable to associated surgical services.
`AS`	Physician assistant, nurse practitioner, or clinical nurse specialist services for Medicare Part B	Use when a qualified non-physician practitioner performs the administration under Medicare rules and payer accepts `AS`.
`CO`	Cast/orthopedic service	Not applicable to this injection except in rare procedural contexts; included for completeness.
`QX`	Certified registered nurse anesthetist service reported with qualified anesthesia provider	Not applicable to typical infusion services; use only if anesthesia personnel are involved.

Taxonomy Code	Specialty	Notes
`163WC0800X`	Infectious Disease Specialist	Manages complex antimicrobial therapy decisions and IV antimicrobial stewardship.
`207R00000X`	Internal Medicine	Commonly orders and manages IV antibiotic therapy in inpatient and outpatient settings.
`208D00000X`	Emergency Medicine	May initiate IV sulfamethoxazole/trimethoprim in ED for acute infections.
`363LP0800X`	Infusion Nurse	Administers intravenous medications in infusion clinic or outpatient setting.
`207L00000X`	Family Medicine	Prescribes and manages IV antibiotics in outpatient infusion or hospital settings.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`N39.0`	Urinary tract infection, site not specified	Common indication for IV antibiotics when oral therapy is not tolerated or for complicated UTI.
`J18.9`	Pneumonia, unspecified organism	Bacterial pneumonias may require parenteral antibiotic therapy in severe cases.
`A41.9`	Sepsis, unspecified organism	Systemic infections often require IV broad-spectrum or targeted antimicrobials.
`L03.90`	Cellulitis, unspecified	Skin and soft tissue infections may be treated with IV antibiotics when severe.
`B96.2`	Escherichia coli as the cause of diseases classified elsewhere	Represents a common bacterial pathogen for which sulfamethoxazole/trimethoprim may be used when susceptible.
`Z79.2`	Long term (current) use of antibiotics	May be used for documentation when long-term suppressive antibiotic therapy is provided.
`R65.20`	Severe sepsis without septic shock	Indicates serious infection where IV antimicrobial therapy is indicated.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`36415`	Collection of venous blood by venipuncture	Performed prior to or during IV antibiotic therapy for baseline labs, cultures, or therapeutic monitoring.
`96365`	Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour	Used when the IV infusion of sulfamethoxazole/trimethoprim is administered as an infusion service and is reportable by infusion centers.
`96366`	Intravenous infusion; each additional hour (list separately in addition to code for primary service)	Used if infusion time extends beyond the initial hour and payer rules permit.
`96413`	Chemotherapy administration, intravenous infusion technique, up to 1 hour — non-chemotherapy IV drug administration codes sometimes used depending on payer policy	May be used by some institutions for parenteral antimicrobial administration if payer requires; verify local payer guidance.
`99070`	Supplies and materials (except spectacles), provided by the physician over and above those usually included with the office visit or other services rendered	Billed when additional supplies (e.g., IV tubing, flushes) are chargeable and allowed by payer policy.

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