G0108 HCPCS code: Diabetes outpatient self-management training services, individual, per 30 minutes
G0108 is the HCPCS Level II code for diabetes outpatient self-management training services, individual, per 30 minutes. In 2024 Medicare paid an average of $39.40 per service for G0108 across 114,278 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 8 per day on outpatient hospital claims. Medicare volume fell 26% from 2022 to 2024 (153,591 to 114,278 services). In 2024, about 3,122 clinicians billed Medicare for G0108 for 45,393 beneficiaries; Minnesota, Wisconsin, California accounted for 30% of services.
Code details
| Field | Value |
|---|---|
| Section | G codes — Procedures and professional services (temporary) |
| Coverage code | C — Carrier judgment |
| Pricing indicator | 11 — Priced using national relative value units (Physician Fee Schedule) |
| BETOS category | Y1 |
| Added | 1998-07-01 |
| Last action effective | 2001-01-01 |
Who bills G0108 (2024)
| Measure | Value |
|---|---|
| Clinicians billing (by place of service) | 3,122 |
| Medicare beneficiaries | 45,393 |
| States with claims | 50 |
| Share of services in top 3 states (Minnesota, Wisconsin, California) | 30% |
Counts only. Supplier and clinician names, contact lists and state-by-state detail are in Caduvo.
Medicare utilization for G0108, 2022–2024
| Year | Services | Beneficiaries | Avg. allowed | Avg. paid |
|---|---|---|---|---|
| 2022 | 153,591 | 61,937 | $56.09 | $41.35 |
| 2023 | 137,284 | 55,956 | $54.39 | $39.96 |
| 2024 | 114,278 | 45,393 | $53.51 | $39.40 |
States with the most G0108 services (2024)
| State | Services | Avg. paid |
|---|---|---|
| Minnesota | 12,685 | $37.47 |
| Wisconsin | 12,087 | $35.73 |
| California | 9,315 | $43.87 |
| Illinois | 8,566 | $40.83 |
| New York | 7,649 | $44.48 |
NCCI unit limits (MUE)
| Claim type | Max units per day | Rationale |
|---|---|---|
| outpatient hospital claims | 8 | Clinical: Data |
| practitioner claims | 6 | Clinical: Data |
What changed for G0108
- 1998-07-01: G0108 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 G0108?
G0108 is the HCPCS Level II code for diabetes outpatient self-management training services, individual, per 30 minutes. Short descriptor: "Diab manage trn per indiv".
How much does Medicare pay for G0108?
In 2024, the average Medicare payment was $39.40 per service (average allowed $53.51).
Does Medicare cover G0108?
Coverage code C — Carrier judgment. Coverage is decided by the Medicare contractor (MAC) case by case.
How many units of G0108 can be billed per day?
8 on outpatient hospital claims; 6 on practitioner claims (NCCI medically unlikely edits).
Related G01 codes
- G0101 — Cervical or vaginal cancer screening; pelvic and clinical breast examination
- G0102 — Prostate cancer screening; digital rectal examination
- G0103 — Prostate cancer screening; prostate specific antigen test (PSA)
- G0104 — Colorectal cancer screening; flexible sigmoidoscopy
- G0105 — Colorectal cancer screening; colonoscopy on individual at high risk
- G0106 — Colorectal cancer screening; alternative to g0104, screening sigmoidoscopy, barium enema
- G0109 — Diabetes outpatient self-management training services, group session (2 or more), per 30 minutes
- G0117 — Glaucoma screening for high risk patients furnished by an optometrist or ophthalmologist
- G0118 — Glaucoma screening for high risk patient furnished under the direct supervision of an optometrist or ophthalmologist
- G0120 — Colorectal cancer screening; alternative to g0105, screening colonoscopy, barium enema.
- G0121 — Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk
- G0122 — Colorectal cancer screening; barium enema
Building a device that would bill under a code like this? Caduvo matches a device description to HCPCS/CPT codes, Medicare coverage and payment, and the FDA pathway in one report.
Next steps
- Run a reimbursement report for a device billed under G0108
- Watch G0108 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for G0108
Sources: CMS HCPCS Level II release October 2025; 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.