Question 1

What is HCPCS code G9599?

Accepted Answer

HCPCS code G9599 is "Aor ane >=6.0 cm max diam". Aortic aneurysm 6.0 cm or greater maximum diameter on centerline formatted ct or minor diameter on axial formatted ct

Question 2

What category is G9599 in?

Accepted Answer

G9599 belongs to HCPCS Category G (Procedures/Professional Services).

Question 3

When should I use HCPCS code G9599?

Accepted Answer

Use G9599 when billing for aor ane >=6.0 cm max diam. 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 G9599 covered by Medicare?

Accepted Answer

Coverage for G9599 (Aor ane >=6.0 cm max diam) 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 G9599?

Accepted Answer

Documentation for G9599 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).