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Ampicillin Injection

Maryland rates for HCPCS J0290

Injection, ampicillin sodium, 500 mg

Rates data updated July 2026.

How much does Ampicillin Injection cost?

$0.72per dose

One 555 mg dose, at the doctor's office rate. In Maryland, July 2026.

Negotiated ratewhat insurers pay per 500 mg of the drug
$0.65 / 500 mg
Average doseacross Medicare claims, discarded units included
× 555 mg
One dosedrug only; giving it and the visit are billed separately
$0.72

Work out the cost of a dose

This drug is priced per 500 mg. Enter the amount given to see what insurers have agreed to pay for it. Prefilled with the average administration in Medicare claims, discarded units included.

mg
In a doctor's office or clinic
$0.72

Drug cost only. Giving the drug, the visit itself and any monitoring are billed on their own codes. We do not publish dosing guidance: use the amount from your own prescription or treatment plan.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $3 · 10th to 90th $1 to $6Professionalmedian $1 · 10th to 90th $1 to $1
$0.5$1$2$5$10facility $3professional $1

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$0.65
Median
$2.95
Typical High
$6.46
Aetna
Setting
Professional
Modifier
Global
Typical Low
$0.65
Median
$0.65
Typical High
$0.78
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$0.65
Median
$0.65
Typical High
$0.65
Cigna
Setting
Professional
Modifier
Global
Typical Low
$0.65
Median
$0.65
Typical High
$0.81
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$0.55
Median
$0.65
Typical High
$4.37
United
Setting
Facility
Modifier
Global
Typical Low
$0.65
Median
$0.65
Typical High
$0.65
United
Setting
Professional
Modifier
Global
Typical Low
$0.59
Median
$0.59
Typical High
$0.87
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$0.59
Median
$0.59
Typical High
$0.59

Where Maryland sits

The same service costs 20.4 times more in Utah than in Minnesota. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Maryland· 8th of 51

$2.34

UT $12.30MN $0.60

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.