G0307 HCPCS code: Complete (cbc), automated (hgb, hct, rbc, wbc; without platelet count)
G0307 is the HCPCS Level II code for complete (cbc), automated (hgb, hct, rbc, wbc; without platelet count). In 2024 Medicare paid an average of $6.33 per service for G0307 across 25,663 services. Its Medicare coverage code is C (Carrier judgment): Coverage is decided by the Medicare contractor (MAC) case by case. The NCCI unit limit is 4 per day on outpatient hospital claims. Medicare volume fell 17% from 2022 to 2024 (31,052 to 25,663 services). In 2024, about 112 clinicians billed Medicare for G0307 for 22,769 beneficiaries; Florida, New Jersey, North Carolina accounted for 37% of services.
Code details
| Field | Value |
|---|---|
| Section | G codes — Procedures and professional services (temporary) |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 21 — Priced on the Clinical Laboratory Fee Schedule |
| BETOS category | T1D |
| Added | 2004-01-01 |
| Last action effective | 2009-01-01 |
Who bills G0307 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 112 |
| Medicare beneficiaries | 22,769 |
| States with claims | 29 |
| Share of services in top 3 states (Florida, New Jersey, North Carolina) | 37% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for G0307, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 31,052 | 26,477 | $6.39 | $6.39 |
| 2023 | 32,388 | 27,491 | $6.34 | $6.34 |
| 2024 | 25,663 | 22,769 | $6.33 | $6.33 |
States with the most G0307 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Florida | 3,264 | $6.34 |
| New Jersey | 3,254 | $6.33 |
| North Carolina | 3,086 | $6.34 |
| Oregon | 2,709 | $6.27 |
| California | 2,405 | $6.34 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 4 | Clinical: Data |
| practitioner claims | 1 | Clinical: Data |
What changed for G0307
- 2004-01-01: G0307 added to HCPCS Level II
- Next scheduled CMS quarterly update (HCPCS and DMEPOS fee schedule): 2027-01-01
Frequently asked questions
What is HCPCS code G0307?
G0307 is the HCPCS Level II code for complete (cbc), automated (hgb, hct, rbc, wbc; without platelet count). Short descriptor: "Cbc without platelet".
How much does Medicare pay for G0307?
In 2024, the average Medicare payment was $6.33 per service (average allowed $6.33).
Does Medicare cover G0307?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of G0307 can be billed per day?
4 on outpatient hospital claims; 1 on practitioner claims (NCCI medically unlikely edits).
Related G03 codes
- G0300 — Direct skilled nursing services of a licensed practical nurse (lpn) in the home health or hospice setting, each 15 minutes
- G0302 — Pre-operative pulmonary surgery services for preparation for lvrs, complete course of services, to include a minimum of 16 days of services
- G0303 — Pre-operative pulmonary surgery services for preparation for lvrs, 10 to 15 days of services
- G0304 — Pre-operative pulmonary surgery services for preparation for lvrs, 1 to 9 days of services
- G0305 — Post-discharge pulmonary surgery services after lvrs, minimum of 6 days of services
- G0306 — Complete cbc, automated (hgb, hct, rbc, wbc, without platelet count) and automated wbc differential count
- G0308 — Creation of subcutaneous pocket with insertion of 180 day implantable interstitial glucose sensor, including system activation and patient training
- G0309 — Removal of implantable interstitial glucose sensor with creation of subcutaneous pocket at different anatomic site and insertion of new 180 day implantable sensor, including system activation
- G0310 — Immunization 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)
- G0311 — Immunization 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)
- 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)
- G0313 — 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, 16-30 mins time (this code is used for medicaid billing purposes)
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Next steps
- Run a reimbursement report for a device billed under G0307
- Watch G0307 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for G0307
Sources: CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule; CMS NCCI MUE tables; CMS Medicare utilization (physician and DME supplier files); CMS Medicare Coverage Database articles. Fees are Medicare allowables, not commercial rates. Not billing or legal advice.