Question 1

What is HCPCS code A4222?

Accepted Answer

HCPCS code A4222 is "Infusion supplies with pump". Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately)

Question 2

What category is A4222 in?

Accepted Answer

A4222 belongs to HCPCS Category A (Transportation, Medical/Surgical Supplies, Miscellaneous).

Question 3

When should I use HCPCS code A4222?

Accepted Answer

Use A4222 when billing for infusion supplies with pump. 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 A4222 covered by Medicare?

Accepted Answer

Coverage for A4222 (Infusion supplies with pump) 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 A4222?

Accepted Answer

Documentation for A4222 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).