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Filgrastim-sndz (Zarxio) Injection

Washington rates for HCPCS Q5101

Injection, filgrastim-sndz, biosimilar, (Zarxio), 1 mcg

Rates data updated October 2026.

How much does Zarxio (filgrastim-sndz) cost?

$0.37per mcg

Typical negotiated rate. In Washington, October 2026.

Insurers have agreed to pay about $0.37 for each mcg of this drug. The price depends on where it is billed: about $0.37 from a physician practice, and about $0.38 from a hospital or other facility.

Work out the cost of a dose

This drug is priced per mcg. Enter the amount given to see what insurers have agreed to pay for it.

mcg
In a doctor's office or clinic
$0.37
At a hospital outpatient department
$0.38

The same drug, in the same amount, costs 2% more at a hospital than at a doctor's office.

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 We do not publish dosing guidance: use the amount from your own prescription or treatment plan.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 8 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$0.37$0.35 to $0.52
FacilityA hospital or hospital-owned outpatient department$0.38$0.35 to $0.45

How much rates vary

Facilitymedian $0 · 10th to 90th $0 to $1Professionalmedian $0 · 10th to 90th $0 to $1
$0.5$1facility $0professional $0

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$0.39
Median
$0.39
Typical High
$0.41
Aetna
Setting
Professional
Modifier
None
Typical Low
$0.35
Median
$0.39
Typical High
$0.52
Asuris Northwest Health
Setting
Facility
Modifier
None
Typical Low
$0.28
Median
$0.38
Typical High
$0.50
Asuris Northwest Health
Setting
Professional
Modifier
None
Typical Low
$0.35
Median
$0.35
Typical High
$0.35
Cigna
Setting
Facility
Modifier
None
Typical Low
$0.35
Median
$0.45
Typical High
$0.68
Cigna
Setting
Professional
Modifier
None
Typical Low
$0.35
Median
$0.35
Typical High
$0.35
Pacific Source
Setting
Facility
Modifier
None
Typical Low
$1.38
Median
$1.38
Typical High
$1.38
Premera BCBS
Setting
Facility
Modifier
None
Typical Low
$0.31
Median
$0.36
Typical High
$0.91
Premera BCBS
Setting
Professional
Modifier
None
Typical Low
$0.40
Median
$0.52
Typical High
$0.52
Regence BlueShield
Setting
Facility
Modifier
None
Typical Low
$0.25
Median
$0.35
Typical High
$0.50
Regence BlueShield
Setting
Professional
Modifier
None
Typical Low
$0.35
Median
$0.35
Typical High
$0.35
United
Setting
Facility
Modifier
None
Typical Low
$0.35
Median
$0.35
Typical High
$0.35
United
Setting
Professional
Modifier
None
Typical Low
$0.35
Median
$0.35
Typical High
$0.39
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$0.35
Median
$0.35
Typical High
$0.46
4 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$0.18
Median
$0.20
Typical High
$0.20
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$0.07
Median
$0.08
Typical High
$0.08
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$0.05
Median
$0.06
Typical High
$0.06
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$0.04
Median
$0.04
Typical High
$0.04

Where Washington sits

The same service costs 3.0 times more in Texas than in North Dakota. 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.

Washington· 33rd of 51

$0.37

TX $0.98ND $0.33

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.