Question 1

What is HCPCS code G8843?

Accepted Answer

HCPCS code G8843 is "Doc reas no ahi rdi rei". Documentation of reason(s) for not measuring an apnea hypopnea index (ahi), a respiratory disturbance index (rdi), or a respiratory event index (rei) within 2 months after initial evaluation for suspected obstructive sleep apnea (e.g., medical, neurological, or psychiatric disease that prohibits successful completion of a sleep study, patients for whom a sleep study would present a bigger risk than benefit or would pose an undue burden, dementia, patients previously diagnosed with osa and severity assessed by another provider, patients who decline ahi/rdi/rei measurement, patients who had a financial reason for not completing testing, test was ordered but not completed, patients decline because their insurance (payer) does not cover the expense)

Question 2

What category is G8843 in?

Accepted Answer

G8843 belongs to HCPCS Category G (Procedures/Professional Services).

Question 3

When should I use HCPCS code G8843?

Accepted Answer

Use G8843 when billing for doc reas no ahi rdi rei. 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 G8843 covered by Medicare?

Accepted Answer

Coverage for G8843 (Doc reas no ahi rdi rei) 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 G8843?

Accepted Answer

Documentation for G8843 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).