G0312 — Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service for ages under 21, 5 to 15 mins time (this code is used for medicaid billing purposes)
G0312 is a HCPCS Level II code for immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service for ages under 21, 5 to 15 mins time (this code is used for medicaid billing purposes). It belongs to the Procedures and Professional Services (Temporary) section. Medicare does not pay it — see the coverage note below before you bill it.
Medicare coverage: Not payable by Medicare
Medicare does not pay this code. It may still be valid for another payer, but a Medicare claim carrying it will not be reimbursed.
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.
Physician fee schedule statusI
Not valid for Medicare purposes. Medicare uses another code.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for G0312
- Long descriptor
- Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service for ages under 21, 5 to 15 mins time (this code is used for medicaid billing purposes)
- Short descriptor
- Immunize couns < 21yr 5-15 m
- Added
- May 11, 2022
- BETOS
- M5D
- Pricing indicator
- 99 — Other
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.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Value not established.
Codes adjacent to G0312
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G0312 is not quite right, the correct code is very often within a few positions of it.
- G0304Pre-operative pulmonary surgery services for preparation for lvrs, 1 to 9 days of services
- G0305Post-discharge pulmonary surgery services after lvrs, minimum of 6 days of services
- G0306Complete cbc, automated (hgb, hct, rbc, wbc, without platelet count) and automated wbc differential count
- G0307Complete (cbc), automated (hgb, hct, rbc, wbc; without platelet count)
- G0308Creation of subcutaneous pocket with insertion of 180 day implantable interstitial glucose sensor, including system activation and patient trainingterminated
- G0309Removal of implantable interstitial glucose sensor with creation of subcutaneous pocket at different anatomic site and insertion of new 180 day implantable sensor, including system activationterminated
- G0310Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service, 5 to 15 mins time (this code is used for medicaid billing purposes)
- G0311Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service, 16-30 mins time (this code is used for medicaid billing purposes)
- G0313Immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service for ages under 21, 16-30 mins time (this code is used for medicaid billing purposes)
- G0314Immunization counseling by a physician or other qualified health care professional for covid-19, ages under 21, 16-30 mins time (this code is used for the medicaid early and periodic screening, diagnostic, and treatment benefit (epsdt)
- G0315Immunization counseling by a physician or other qualified health care professional for covid-19, ages under 21, 5-15 mins time (this code is used for the medicaid early and periodic screening, diagnostic, and treatment benefit (epsdt)
- G0316Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using 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 99223, 99233, and 99236 for hospital inpatient or observation care evaluation and management services). (do not report g0316 on the same date of service as other prolonged services for evaluation and management 99358, 99359, 99418, 99415, 99416). (do not report g0316 for any time unit less than 15 minutes)
- G0317Prolonged nursing facility evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using 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 99306, 99310 for nursing facility evaluation and management services). (do not report g0317 on the same date of service as other prolonged services for evaluation and management 99358, 99359, 99418). (do not report g0317 for any time unit less than 15 minutes)
- G0318Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using 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 99345, 99350 for home or residence evaluation and management services). (do not report g0318 on the same date of service as other prolonged services for evaluation and management 99358, 99359, 99417). (do not report g0318 for any time unit less than 15 minutes)
- G0320Home health services furnished using synchronous telemedicine rendered via a real-time two-way audio and video telecommunications system
- G0321Home health services furnished using synchronous telemedicine rendered via telephone or other real-time interactive audio-only telecommunications system
Questions about G0312
What is HCPCS code G0312?
G0312 is a HCPCS Level II code for immunization counseling by a physician or other qualified health care professional when the vaccine(s) is not administered on the same date of service for ages under 21, 5 to 15 mins time (this code is used for medicaid billing purposes). It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G0312?
The CMS HCPCS file marks G0312 as "Not payable by Medicare". Medicare does not pay this code. It may still be valid for another payer, but a Medicare claim carrying it will not be reimbursed.
How is G0312 paid under the physician fee schedule?
G0312 carries PFS status code I. Not valid for Medicare purposes. Medicare uses another code.