G2088 Off base opioid treatment, add30
Also known as: Additional office-based OAT, OBAT add-on
HCPCS code for office-based opioid treatment add-on lasting 30 minutes. Extended service time during office visit.
In Plain Language
Extra 30 minutes addiction treatment; Extended office therapy
Clinical Context
Used as add-on when office-based opioid treatment exceeds standard duration. Appropriate for complex medical or psychiatric comorbidities.
RVU Breakdown
| Work RVU | 0.82 |
| Total RVU | 0.82 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
G-codes are CMS-specific HCPCS codes for services not covered by standard CPT. Documentation requirements follow the same standards as the equivalent CPT service. Check Medicare LCD/NCD policies for coverage criteria.
How This Code Compares
With a work RVU of 0.82, this code ranks in the 44th percentile among G Codes codes — 1.2x below the median (0.97). The highest wRVU in this category is 20.41.
Specialties
Frequently Asked Questions
What is CPT code G2088?
CPT G2088 (Off base opioid treatment, add30) is a G Codes code. HCPCS code for office-based opioid treatment add-on lasting 30 minutes. Extended service time during office visit.
Who uses CPT code G2088?
CPT G2088 is used by Addiction Medicine, Primary Care, Substance Use Disorder. Used as add-on when office-based opioid treatment exceeds standard duration. Appropriate for complex medical or psychiatric comorbidities.
When is CPT G2088 used?
Used as add-on when office-based opioid treatment exceeds standard duration. Appropriate for complex medical or psychiatric comorbidities.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.