COBGC case studies
COBGC · Put your knowledge to work in context.
The Certified Outpatient Behavioral Group Coder (COBGC) is a professional credential for coding and billing staff who work with group-based outpatient behavioral health services - group psychotherapy, group counseling, and related structured group encounters delivered in clinics, partial hospitalization and intensive outpatient programs, and community behavioral health settings. It is aimed at coders, billers, revenue cycle specialists, and clinician-supervisors who need to translate group session documentation into accurate CPT, ICD-10-CM, and claim data. The COBGC case studies are 5 cases and about 3,065 words.
1Concurrent Group and Individual Session on the Same Day
A licensed clinical social worker at a partial hospitalization program runs a 90-minute process group (8 patients) from 9:00 to 10:30 a.m. One patient, a 34-year-old with recurrent major depressive disorder, single episode, moderate (F33.1), becomes acutely distressed during group and is pulled for 25 minutes of individual crisis intervention with the same clinician immediately afterward.
482 words, about 2 min2Diagnosis Sequencing When the Presenting Problem Is Not the Treated Disorder
A 52-year-old man attends an 8-session cognitive behavioral group for insomnia. At intake he reports 4 months of difficulty initiating sleep, waking at 3 a.m., and daytime fatigue.
667 words, about 3 min3Place of Service and Modifier 95 for a Telehealth Group Session
A community mental health agency runs a weekly 60-minute psychotherapy group (CPT 90853) for 7 patients. Historically all sessions were in the clinic (POS 11).
513 words, about 3 min4Group Note That Fails to Support Medical Necessity
An audit pulls 10 claims for a 12-session dialectical behavior therapy skills group (CPT 90853) billed by a master's-level counselor. Participated appropriately.
706 words, about 4 min5Authorization Units vs. Sessions and a Mid-Course Payer Rule Change
A group practice obtains prior authorization for 12 group psychotherapy sessions (CPT 90853) for a patient, effective January 1 through March 31. The authorization states "12 units." The practice's billing system counts each session as 1 unit.
697 words, about 3 min