A4218 HCPCS Level II code: Sterile saline or water, metered dose dispenser, 10 ml
A4218 is the HCPCS code for “Sterile saline or water, metered dose dispenser, 10 ml” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A4218Sterile saline or water, metered dose dispenser, 10 ml
Short description: Sterile saline or water
HCPCS · United States
Notes for A4218
As CMS prints them, with any note A4218 takes from the headings above it.
Note
- CMS processing note 0127: PUBLICATION 100.2, CHAPTER 15, 50.1.
Medicare details
The indicators CMS publishes with A4218 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- Drugs
- Type of service
- Medical care; ESRD supplies; Lump sum purchase of DME, prosthetics, orthotics
- BETOS category
- Other drugs
- Added
- Jan 1, 2006
Where A4218 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A4218Sterile saline or water, metered dose dispenser, 10 ml
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code A4218 mean?
A4218 is the HCPCS code for “Sterile saline or water, metered dose dispenser, 10 ml” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A4218?
CMS lists A4218’s Medicare coverage as “Special coverage instructions apply” and its pricing as “Drugs”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside A4218
All A codesA4211Supplies for self-administered injectionsA4212Non-coring needle or stylet with or without catheterA4213Syringe, sterile, 20 cc or greater, eachA4215Needle, sterile, any size, eachA4216Sterile water, saline and/or dextrose, diluent/flush, 10 mlA4217Sterile water/saline, 500 mlA4220Refill kit for implantable infusion pumpA4221Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately)A4222Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately)A4223Infusion supplies not used with external infusion pump, per cassette or bag (list drugs separately)A4224Supplies for maintenance of insulin infusion catheter, per weekA4225Supplies for external insulin infusion pump, syringe type cartridge, sterile, each