G3001 — Administration and supply of tositumomab, 450 mg
G3001 is a HCPCS Level II code for administration and supply of tositumomab, 450 mg. It belongs to the Procedures and Professional Services (Temporary) section. It was terminated on December 31, 2016 and is not valid on new claims.
This code has been terminated
CMS terminated G3001 on December 31, 2016. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
The CMS record for G3001
- Long descriptor
- Administration and supply of tositumomab, 450 mg
- Short descriptor
- Admin + supply, tositumomab
- Added
- July 1, 2003
- Terminated
- December 31, 2016
- BETOS
- T2D
- Pricing indicator
- 13 — Physician fee schedule
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
When CMS retired it.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Price established by carriers — not otherwise classified, individual determination, or carrier discretion.
Codes adjacent to G3001
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G3001 is not quite right, the correct code is very often within a few positions of it.
- G2212Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or qualified healthcare professional, with or without direct patient contact (list separately in addition to cpt codes 99205, 99215, 99483 for office or other outpatient evaluation and management services) (do not report g2212 on the same date of service as 99358, 99359, 99415, 99416). (do not report g2212 for any time unit less than 15 minutes)
- G2213Initiation of medication for the treatment of opioid use disorder in the emergency department setting, including assessment, referral to ongoing care, and arranging access to supportive services (list separately in addition to code for primary procedure)
- G2214Initial or subsequent psychiatric collaborative care management, first 30 minutes in a month of behavioral health care manager activities, in consultation with a psychiatric consultant, and directed by the treating physician or other qualified health care professional
- G2215Take-home supply of nasal naloxone; 2-pack of 4mg 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
- G2216Take-home supply of injectable naloxone (provision of the services by a medicare-enrolled opioid treatment program); list separately in addition to code for primary procedure
- G2250Remote assessment of recorded video and/or images submitted by an established patient (e.g., store and forward), including interpretation with follow-up with the patient within 24 business hours, not originating from a related service provided within the previous 7 days nor leading to a service or procedure within the next 24 hours or soonest available appointment
- G2251Brief communication technology-based service, e.g. virtual check-in, by a qualified health care professional who cannot report evaluation and management services, provided to an established patient, not originating from a related service provided within the previous 7 days nor leading to a service or procedure within the next 24 hours or soonest available appointment; 5-10 minutes of clinical discussion
- G2252Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m service provided within the previous 7 days nor leading to an e/m service or procedure within the next 24 hours or soonest available appointment; 11-20 minutes of medical discussion
- G3002Chronic pain management and treatment, monthly bundle including, diagnosis; assessment and monitoring; administration of a validated pain rating scale or tool; the development, implementation, revision, and/or maintenance of a person-centered care plan that includes strengths, goals, clinical needs, and desired outcomes; overall treatment management; facilitation and coordination of any necessary behavioral health treatment; medication management; pain and health literacy counseling; any necessary chronic pain related crisis care; and ongoing communication and care coordination between relevant practitioners furnishing care, e.g. physical therapy and occupational therapy, complementary and integrative approaches, and community-based care, as appropriate. required initial face-to-face visit at least 30 minutes provided by a physician or other qualified health professional; first 30 minutes personally provided by physician or other qualified health care professional, per calendar month. (when using g3002, 30 minutes must be met or exceeded.)
- G3003Each additional 15 minutes of chronic pain management and treatment by a physician or other qualified health care professional, per calendar month. (list separately in addition to code for g3002. when using g3003, 15 minutes must be met or exceeded.)
- G4000Dermatology mips specialty set
- G4001Diagnostic radiology mips specialty set
- G4002Electrophysiology cardiac specialist mips specialty set
- G4003Emergency medicine mips specialty set
- G4004Endocrinology mips specialty set
- G4005Family medicine mips specialty set
Questions about G3001
What is HCPCS code G3001?
G3001 is a HCPCS Level II code for administration and supply of tositumomab, 450 mg. It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G3001?
The CMS HCPCS file marks G3001 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
Is G3001 still valid?
No. G3001 was terminated on December 31, 2016 and should not be used on new claims.