J0290 Ampicillin Injection HCPCS Reimbursement | OpenPayer

Summary & Overview

HCPCS J0290: Injection, Ampicillin Sodium, 500 mg

HCPCS Level II code J0290 designates a 500 mg injectable dose of ampicillin sodium, an intravenous or intramuscular beta-lactam antibiotic used for a range of bacterial infections. Nationally, accurate coding of parenteral antimicrobial agents like J0290 matters for clinical documentation, hospital pharmacy billing, and antimicrobial stewardship efforts tied to therapy tracking and cost management. Key payers addressed in this profile include Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find a concise overview of the clinical context for injectable ampicillin, typical sites of service where the product is administered, and the common payer landscape for reimbursement considerations. The summary includes operational details relevant to billing teams and revenue cycle staff: unit definition, service classification as parenteral antimicrobial administration, and typical clinical settings. Where available, the publication presents benchmark elements and policy notes that affect coverage and claim processing. Data not available in the input is noted where applicable.

AetnaBlue Cross Blue ShieldCigna HealthUnitedHealthcareMedicareJ0290HCPCS Level IIampicillininjectable antibioticparenteral administrationhospital billingantimicrobial therapydrug coding

Billing Code Overview

HCPCS Level II code J0290 describes Injection, ampicillin sodium, 500 mg. This code represents a single unit of the antibiotic ampicillin provided as an injectable formulation.

Service type: Parenteral antimicrobial administration
Typical site of service: Acute care settings such as hospital inpatient and outpatient departments, emergency department, and other clinical settings where intravenous or intramuscular antibiotics are administered

Clinical & Coding Specifications

Clinical Context

A typical patient is a 45-year-old adult presenting to an urgent care clinic or emergency department with signs of a moderate bacterial infection requiring parenteral antibiotic therapy, such as community-acquired cellulitis with spreading erythema, purulent drainage with systemic symptoms, or suspected invasive infection where oral therapy is inappropriate. The clinician assesses the patient, documents vital signs, allergy status (notably beta-lactam allergy), and obtains relevant cultures (wound swab or blood cultures) when indicated. The provider selects J0290 (Injection, ampicillin sodium, 500 mg) when ampicillin is clinically appropriate based on suspected pathogens and local antibiogram data.

In the clinical workflow, nursing or an authorized clinician prepares the dose per institutional protocol, verifies the patient and medication using two identifiers, confirms no contraindications, and administers via intravenous push or infusion depending on facility guidance. Documentation includes indication, dose, route, lot number, expiration date, patient response, and any adverse reactions. If the patient requires ongoing IV therapy, the injection may be followed by placement of a peripheral IV or transition to an inpatient infusion regimen. Billing uses J0290 for each 500 mg vial or unit administered; units billed should correspond to the number of 500 mg doses provided and be supported by medication administration records.

Coding Specifications

Modifier	Description	When to Use

HCPCS J2806: Sincalide (maia) Injection, 5 Micrograms

HCPCS-J7060-5-PERCENT-DEXTROSE-WATER-500ML-INTRAVENOUS-FLUID

HCPCS J7060: 5% Dextrose in Water, 500 mL IV Fluid

HCPCS-J1700-HYDROCORTISONE-ACETATE-INJECTION-UP-TO-25-MG

HCPCS Level II J1700: Injection, Hydrocortisone Acetate, up to 25 mg

HCPCS-J0945-BROMPHENIRAMINE-INJECTION-10MG

HCPCS J0945: Injection of Brompheniramine Maleate, per 10 mg

HCPCS-J1451-FOMEPIZOLE-INJECTION-15MG-ANTIDOTE-THERAPY

HCPCS J1451: Injection, fomepizole, 15 mg

HCPCS-J2550-PROMETHAZINE-INJECTION-UP-TO-50-MG

HCPCS J2550: Injection, Promethazine HCl, Up to 50 mg

HCPCS-J1435-ESTRONE-INJECTION-1MG

HCPCS J1435: Injection, Estrone, per 1 mg

HCPCS-J2373-PHENYLEPHRINE-INJECTION-20-MCG

HCPCS J2373: Phenylephrine Hydrochloride Injection, 20 mcg

HCPCS-J1555-IMMUNE-GLOBULIN-CUVITRU-INJECTION-100MG

HCPCS J1555: Immune Globulin (Cuvitru) Injection, 100 mg

HCPCS-J0608-LANTHANUM-CARBONATE-ORAL-POWDER-5MG

HCPCS Level II J0608: Lanthanum Carbonate Oral Powder, 5 mg

Showing 1–10 of 991

Taxonomy Code	Specialty	Notes
`350200000X`	Infectious Disease Specialist	Consults for severe or complicated infections where IV ampicillin is indicated.
`207Q00000X`	Emergency Medicine Physician	Commonly orders and administers parenteral antibiotics in the ED or urgent care setting.
`207L00000X`	Hospitalist/Internal Medicine	Manages inpatient IV antibiotic therapy including ampicillin dosing and stewardship decisions.
`363A00000X`	Registered Nurse	Administers IV medications, documents administration details, and monitors for reactions.
`208000000X`	Family Medicine Physician	Provides outpatient or urgent care management including single-dose parenteral antibiotics when indicated.

Related Diagnoses

ICD-10 Code	Description	Clinical Relevance
`A49.1`	Streptococcal sepsis	Ampicillin may be used for systemic streptococcal infections when susceptible.
`A49.2`	Staphylococcal sepsis	IV ampicillin can be used when culture and sensitivity indicate susceptibility.
`L03.116`	Cellulitis of left lower limb	Common indication for parenteral beta-lactam antibiotics when oral therapy is inadequate.
`L03.115`	Cellulitis of right lower limb	As above, supports use of IV ampicillin for moderate to severe cellulitis.
`J15.9`	Unspecified bacterial pneumonia	IV ampicillin may be included in empiric regimens for community-acquired pneumonia in select populations when pathogens suggest susceptibility.

Related CPT Codes

CPT Code	Description	Relationship to This Procedure
`96372`	Therapeutic, prophylactic, or diagnostic injection (specify substance or drug); subcutaneous or intramuscular	May be billed when ampicillin is administered intramuscularly in outpatient settings; documents the injection service separate from the drug J-code.
`96365`	Intravenous infusion, for therapy, prophylaxis, or diagnosis; initial, up to 1 hour	Billed when ampicillin is administered as an IV infusion requiring time-based infusion services during the initial hour.
`96366`	Intravenous infusion; each additional hour (list separately in addition to code for primary service)	Billed for continued IV infusion time beyond the initial hour when ampicillin or concurrent fluids are infused.
`36415`	Collection of venous blood by venipuncture	Often performed prior to or during antibiotic administration for laboratory studies or cultures to guide therapy.
`99283`	Emergency department visit, moderate severity	Common E/M code for ED visits that result in administration of parenteral antibiotics like ampicillin.

OpenPayer