Question 1

What is HCPCS code A4220?

Accepted Answer

HCPCS code A4220 is "Infusion pump refill kit". Refill kit for implantable infusion pump

Question 2

What category is A4220 in?

Accepted Answer

A4220 belongs to HCPCS Category A (Transportation, Medical/Surgical Supplies, Miscellaneous).

Question 3

When should I use HCPCS code A4220?

Accepted Answer

Use A4220 when billing for infusion pump refill kit. 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

What ICD-10 codes are commonly used with A4220?

Accepted Answer

Common ICD-10 diagnosis codes used with A4220 include: A18.01 (Tuberculosis of spine), B02.23 (Postherpetic polyneuropathy), C00.0 (Malignant neoplasm of external upper lip), C00.1 (Malignant neoplasm of external lower lip). Always ensure proper medical documentation supports the medical necessity for the HCPCS code being billed.

Question 5

Is A4220 covered by Medicare?

Accepted Answer

Coverage for A4220 (Infusion pump refill kit) 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 6

What documentation is required for A4220?

Accepted Answer

Documentation for A4220 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).