G9998Procedures and Professional Services (Temporary)
Documentation of medical reason(s) for an interval of less than 3 years since
Short description: Doc med rsn <3 colon
- Effective date
- January 1, 2024
- Termination date
- —
Related codes (G-series)
G0008Admin influenza virus vacG0009Admin pneumococcal vaccineG0010Admin hepatitis b vaccineG0011Hiv prep counsel, md 15-30mG0012Injection of hiv prep drugG0013Hiv prep counsel, clin staffG0017Crisis psychotherapy 60mG0018Crisis psychotherapy add 30mG0019Comm hlth intg svs sdoh 60mnG0022Comm hlth intg svs add 30 mG0023Pin service 60m per monthG0024Pin srv add 30 min pr m
Frequently asked questions
What is HCPCS code G9998?
G9998 is a HCPCS Level II code for Documentation of medical reason(s) for an interval of less than 3 years since.
What category is HCPCS code G9998 in?
G9998 falls under the Procedures and Professional Services (Temporary) category of HCPCS Level II.
When did HCPCS code G9998 become effective?
G9998 has been effective since January 1, 2024, per CMS's quarterly HCPCS update.
HCPCS Level II data from CMS (public domain). HCPCS Level I (CPT) codes are not included — CPT is copyrighted by the American Medical Association. Always verify codes with authoritative sources before making coding or billing decisions.