Question 1

What is HCPCS code J3399?

Accepted Answer

HCPCS code J3399 is "Inj onase abepar-xioi treat". Injection, onasemnogene abeparvovec-xioi, per treatment, up to 5x10^15 vector genomes

Question 2

What category is J3399 in?

Accepted Answer

J3399 belongs to HCPCS Category J (Drugs Administered Other Than Oral).

Question 3

When should I use HCPCS code J3399?

Accepted Answer

Use J3399 when billing for inj onase abepar-xioi treat. 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 J3399 covered by Medicare?

Accepted Answer

Coverage for J3399 (Inj onase abepar-xioi treat) 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 J3399?

Accepted Answer

Documentation for J3399 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).