Question 1

What is HCPCS code A9559?

Accepted Answer

HCPCS code A9559 is "Co57 cyano". Cobalt co-57 cyanocobalamin, oral, diagnostic, per study dose, up to 1 microcurie

Question 2

What category is A9559 in?

Accepted Answer

A9559 belongs to HCPCS Category A (Transportation, Medical/Surgical Supplies, Miscellaneous).

Question 3

When should I use HCPCS code A9559?

Accepted Answer

Use A9559 when billing for co57 cyano. 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 A9559 covered by Medicare?

Accepted Answer

Coverage for A9559 (Co57 cyano) 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 A9559?

Accepted Answer

Documentation for A9559 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).