Question 1

What is HCPCS code A4218?

Accepted Answer

HCPCS code A4218 is "Sterile saline or water". Sterile saline or water, metered dose dispenser, 10 ml

Question 2

What category is A4218 in?

Accepted Answer

A4218 belongs to HCPCS Category A (Transportation, Medical/Surgical Supplies, Miscellaneous).

Question 3

When should I use HCPCS code A4218?

Accepted Answer

Use A4218 when billing for sterile saline or water. HCPCS Level II codes like this are used for items and services not covered by CPT codes, including medical supplies, equipment, drugs administered in clinical settings, and certain healthcare services.

Question 4

Is A4218 covered by Medicare?

Accepted Answer

Coverage for A4218 (Sterile saline or water) depends on medical necessity and specific Medicare guidelines. Check the applicable Local Coverage Determination (LCD) or National Coverage Determination (NCD) for detailed coverage criteria. Private insurers may have different coverage policies.

Question 5

What documentation is required for A4218?

Accepted Answer

Documentation for A4218 should include: the medical necessity for the item or service, supporting diagnosis codes (ICD-10), prescription or order from the treating physician, and proof that the item meets quality standards. Some items may require additional documentation like a Certificate of Medical Necessity (CMN).