HCPCS Level II · Procedures and professional services (temporary)
G1004Clinical decision support mechanism national decision support company, as defined by the medicare appropriate use criteria program
Terminated 12/31/2024
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G1004
G1004 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing clinical decision support mechanism national decision support company, as defined by the medicare appropriate use criteria program.
It was added to HCPCS effective 01/01/2020, and its current record took effect 01/01/2025.
It was terminated on 12/31/2024 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
- Cdsm ndsc
- Date added
- 01/01/2020
- Action effective
- 01/01/2025
- Termination date
- 12/31/2024
- BETOS
- Z2
Related G10xx codes
- G1025Patient-months where there are more than one medicare capitated payment (mcp) provider listed for the month
- G1026The number of adult patient-months in the denominator who were on maintenance hemodialysis using a catheter continuously for three months or longer under the care of the same practitioner or group partner as of the last hemodialysis session of the reporting month
- G1027The number of adult patient-months in the denominator who were on maintenance hemodialysis under the care of the same practitioner or group partner as of the last hemodialysis session of the reporting month using a catheter continuously for less than three months
- G1028Take-home supply of nasal naloxone; 2-pack of 8mg per 0.1 ml nasal spray (provision of the services by a medicare-enrolled opioid treatment program); list separately in addition to code for primary procedure
Common questions about G1004
Is HCPCS G1004 still valid?
- No. G1004 was terminated on 12/31/2024.
Does Medicare cover G1004?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.