Question 1

What is HCPCS code A4239?

Accepted Answer

HCPCS code A4239 is "Non-adju cgm supply allow". Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service

Question 2

What category is A4239 in?

Accepted Answer

A4239 belongs to HCPCS Category A (Transportation, Medical/Surgical Supplies, Miscellaneous).

Question 3

When should I use HCPCS code A4239?

Accepted Answer

Use A4239 when billing for non-adju cgm supply allow. 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 A4239 covered by Medicare?

Accepted Answer

Coverage for A4239 (Non-adju cgm supply allow) 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 A4239?

Accepted Answer

Documentation for A4239 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).