Question 1

What is HCPCS code G8842?

Accepted Answer

HCPCS code G8842 is "Ahi rdi rei doc win 2mo". Apnea hypopnea index (ahi), respiratory disturbance index (rdi) or respiratory event index (rei) documented or measured within 2 months after initial evaluation for suspected obstructive sleep apnea

Question 2

What category is G8842 in?

Accepted Answer

G8842 belongs to HCPCS Category G (Procedures/Professional Services).

Question 3

When should I use HCPCS code G8842?

Accepted Answer

Use G8842 when billing for ahi rdi rei doc win 2mo. 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 G8842 covered by Medicare?

Accepted Answer

Coverage for G8842 (Ahi rdi rei doc win 2mo) 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 G8842?

Accepted Answer

Documentation for G8842 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).