A4218 – Sterile saline or water, metered dose dispenser, 10 ml
HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental
HCPCS codeA4218
- Long description
- Sterile saline or water, metered dose dispenser, 10 ml
- Short description
- Sterile saline or water
- Pricing indicator
51Drugs- Medicare coverage
DSpecial coverage instructions apply- BETOS category
O1EOther drugs- Added
- January 1, 2006
- Last change
- January 1, 2006 – No change
Frequently asked questions
What is HCPCS code A4218?
A4218 is a HCPCS Level II code for sterile saline or water, metered dose dispenser, 10 ml.
Does Medicare cover A4218?
The HCPCS file lists coverage code D: Special coverage instructions apply. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby A codes
- A4209 – Syringe with needle, sterile 5 cc or greater, each
- A4210 – Needle-free injection device, each
- A4211 – Supplies for self-administered injections
- A4212 – Non-coring needle or stylet with or without catheter
- A4213 – Syringe, sterile, 20 cc or greater, each
- A4215 – Needle, sterile, any size, each
- A4216 – Sterile water, saline and/or dextrose, diluent/flush, 10 ml
- A4217 – Sterile water/saline, 500 ml
- A4220 – Refill kit for implantable infusion pump
- A4221 – Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately)
- A4222 – Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately)
- A4223 – Infusion supplies not used with external infusion pump, per cassette or bag (list drugs separately)
- A4224 – Supplies for maintenance of insulin infusion catheter, per week
- A4225 – Supplies for external insulin infusion pump, syringe type cartridge, sterile, each
- A4226 – Supplies for maintenance of insulin infusion pump with dosage rate adjustment using therapeutic continuous glucose sensing, per week
- A4228 – Supplies for maintenance of non-insulin, device-drug combination infusion catheter, per week
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.