HCPCS Level II · Procedures and professional services (temporary)
G0478Drug test(s), presumptive, any number of drug classes; any number of devices or procedures, (e.g., immunoassay) read by instrument-assisted direct optical observation (e.g., dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G0478
G0478 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing drug test(s), presumptive, any number of drug classes; any number of devices or procedures, (e.g., immunoassay) read by instrument-assisted direct optical observation (e.g., dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service.
It was added to HCPCS effective 01/01/2016, and its current record took effect 01/01/2017.
It was terminated on 12/31/2016 and can't be billed for later dates of service.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Drug test presump opt inst
- Date added
- 01/01/2016
- Action effective
- 01/01/2017
- Termination date
- 12/31/2016
- BETOS
- T1H
Related G04xx codes
- G0400Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels
- G0402Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment
- G0403Electrocardiogram, routine ecg with 12 leads; performed as a screening for the initial preventive physical examination with interpretation and report
- G0404Electrocardiogram, routine ecg with 12 leads; tracing only, without interpretation and report, performed as a screening for the initial preventive physical examination
- G0405Electrocardiogram, routine ecg with 12 leads; interpretation and report only, performed as a screening for the initial preventive physical examination
- G0406Follow-up inpatient consultation, limited, physicians typically spend 15 minutes communicating with the patient via telehealth
- G0407Follow-up inpatient consultation, intermediate, physicians typically spend 25 minutes communicating with the patient via telehealth
- G0408Follow-up inpatient consultation, complex, physicians typically spend 35 minutes communicating with the patient via telehealth
- G0409Social work and psychological services, directly relating to and/or furthering the patient's rehabilitation goals, each 15 minutes, face-to-face; individual (services provided by a corf-qualified social worker or psychologist in a corf)
- G0410Group psychotherapy other than of a multiple-family group, in a partial hospitalization or intensive outpatient setting, approximately 45 to 50 minutes
- G0411Interactive group psychotherapy, in a partial hospitalization or intensive outpatient setting, approximately 45 to 50 minutes
- G0412Open treatment of iliac spine(s), tuberosity avulsion, or iliac wing fracture(s), unilateral or bilateral for pelvic bone fracture patterns which do not disrupt the pelvic ring includes internal fixation, when performed
Common questions about G0478
Is HCPCS G0478 still valid?
- No. G0478 was terminated on 12/31/2016.
Does Medicare cover G0478?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.