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Sterile Water/Saline, 500 ml

Maryland rates for HCPCS A4217

Sterile water/saline, 500 ml

Rates data updated October 2026.

How much does Sterile Water/Saline, 500 ml cost?

$2.14

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $2.14 for this service. Most negotiated rates run $2.04 to $2.24.

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 $2 · 10th to 90th $2 to $2Professionalmedian $2 · 10th to 90th $2 to $3
$2$5facility $2professional $2

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$2.14
Median
$2.14
Typical High
$2.14
Aetna
Setting
Professional
Modifier
None
Typical Low
$2.14
Median
$2.69
Typical High
$2.95
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$1.07
Median
$1.48
Typical High
$1.48
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$0.43
Median
$0.59
Typical High
$0.59
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$0.32
Median
$0.44
Typical High
$0.44
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$0.21
Median
$0.30
Typical High
$0.30
Aetna
Setting
Professional
Modifier
AU · Urologic/ostomy supply
Typical Low
$1.20
Median
$1.20
Typical High
$1.20
CareFirst
Setting
Professional
Modifier
None
Typical Low
$2.04
Median
$2.04
Typical High
$2.04
Cigna
Setting
Professional
Modifier
None
Typical Low
$2.24
Median
$2.24
Typical High
$2.24
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$3.80
Median
$4.57
Typical High
$6.46
Kaiser Permanente
Setting
Professional
Modifier
AU · Urologic/ostomy supply
Typical Low
$3.80
Median
$4.57
Typical High
$6.46
United
Setting
Professional
Modifier
None
Typical Low
$1.86
Median
$2.19
Typical High
$2.95
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$1.74
Median
$1.74
Typical High
$1.74

Where Maryland sits

The same service costs 4.4 times more in Minnesota than in New Hampshire. 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· 39th of 51

$2.14

MN $5.25NH $1.20

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.