Question 1

What is HCPCS code G0399?

Accepted Answer

HCPCS code G0399 is "Home sleep test/type 3 porta". Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation

Question 2

What category is G0399 in?

Accepted Answer

G0399 belongs to HCPCS Category G (Procedures/Professional Services).

Question 3

When should I use HCPCS code G0399?

Accepted Answer

Use G0399 when billing for home sleep test/type 3 porta. 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

What ICD-10 codes are commonly used with G0399?

Accepted Answer

Common ICD-10 diagnosis codes used with G0399 include: E66.2 (Morbid (severe) obesity with alveolar hypoventilation), F10.182 (Alcohol abuse with alcohol-induced sleep disorder), F10.282 (Alcohol dependence with alcohol-induced sleep disorder), F10.982 (Alcohol use, unspecified with alcohol-induced sleep disorder). Always ensure proper medical documentation supports the medical necessity for the HCPCS code being billed.

Question 5

Is G0399 covered by Medicare?

Accepted Answer

Coverage for G0399 (Home sleep test/type 3 porta) 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 6

What documentation is required for G0399?

Accepted Answer

Documentation for G0399 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).