Question 1

What is HCPCS code G0462?

Accepted Answer

HCPCS code G0462 is "Immunohisto/cyto chem add". Immunohistochemistry or immunocytochemistry, per specimen; each additional single or multiplex antibody stain (list separately in addition to code for primary procedure)

Question 2

What category is G0462 in?

Accepted Answer

G0462 belongs to HCPCS Category G (Procedures/Professional Services).

Question 3

When should I use HCPCS code G0462?

Accepted Answer

Use G0462 when billing for immunohisto/cyto chem add. 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 G0462 covered by Medicare?

Accepted Answer

Coverage for G0462 (Immunohisto/cyto chem add) 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 G0462?

Accepted Answer

Documentation for G0462 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).