Question 1

What is HCPCS code A4373?

Accepted Answer

HCPCS code A4373 is "Skin barrier with flange". Ostomy skin barrier, with flange (solid, flexible or accordion), with built-in convexity, any size, each

Question 2

What category is A4373 in?

Accepted Answer

A4373 belongs to HCPCS Category A (Transportation, Medical/Surgical Supplies, Miscellaneous).

Question 3

When should I use HCPCS code A4373?

Accepted Answer

Use A4373 when billing for skin barrier with flange. 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 A4373 covered by Medicare?

Accepted Answer

Coverage for A4373 (Skin barrier with flange) 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 A4373?

Accepted Answer

Documentation for A4373 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).