G0549 HCPCS Level II Code: Interprofessional telephone/internet/electronic health record assessment and management service provided by a practitioner in a specialty whose covered services are limited by statute to services for…

Contextual Map

Every relationship of G0549 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Nearest codes (40)

• G0529 — In-home respite care, 4-hour unit, for use in cmmi model[Sibling]— CMS HCPCS Level II code set
• G0530 — Adult day center, 8-hour unit, for use in cmmi model[Sibling]— CMS HCPCS Level II code set
• G0531 — Facility-based respite, 24-hour unit, for use in cmmi model[Sibling]— CMS HCPCS Level II code set
• G0532 — Take-home supply of nasal nalmefene hydrochloride; one carton of two, 2.7 mg per 0.1 ml nasal sprays (provision of the services by a medicare-enrolled opioid treatment program);( list separately in addition to each primary code)[Sibling]— CMS HCPCS Level II code set
• G0533 — Medication assisted treatment, buprenorphine (injectable) administered on a weekly basis; weekly bundle including dispensing and/or administration, substance use counseling, individual and group therapy, and toxicology testing if performed (provision of the services by a medicare-enrolled opioid treatment program)[Sibling]— CMS HCPCS Level II code set
• G0534 — Coordinated care and/or referral services, such as to adequate and accessible community resources to address unmet health-related social needs, including harm reduction interventions and recovery support services a patient needs and wishes to pursue, which significantly limit the ability to diagnose or treat an opioid use disorder; each additional 30 minutes of services (provision of the services by a medicare-enrolled opioid treatment program); (list separately in addition to each primary code)[Sibling]— CMS HCPCS Level II code set
• G0535 — Patient navigational services, provided directly or by referral; including helping the patient to navigate health systems and identify care providers and supportive services, to build patient self-advocacy and communication skills with care providers, and to promote patient-driven action plans and goals; each additional 30 minutes of services (provision of the services by a medicare-enrolled opioid treatment program); (list separately in addition to each primary code)[Sibling]— CMS HCPCS Level II code set
• G0536 — Peer recovery support services, provided directly or by referral; including leveraging knowledge of the condition or lived experience to provide support, mentorship, or inspiration to meet oud treatment and recovery goals; conducting a person-centered interview to understand the patient's life story, strengths, needs, goals, preferences, and desired outcomes; developing and proposing strategies to help meet person-centered treatment goals; assisting the patient in locating or navigating recovery support services; each additional 30 minutes of services (provision of the services by a medicare-enrolled opioid treatment program); (list separately in addition to each primary code)[Sibling]— CMS HCPCS Level II code set
• and 32 more

Change history

• January 1, 2025 — Added to the code set [Change history]— CMS release files (code change ledger)

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, descriptors, coverage and pricing attributes Official source data

CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page

Change history and date-of-service validity Official source data

CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page

Comparisons, relationships and the contextual map MedCoder structured relationship

Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears

Summary and FAQ answers MedCoder explanation

Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates

Nearest Codes in This Family

Official HCPCS Level II classifications closest to G0549 in its code family, with their registry titles.

• G0544 — Post discharge telephonic follow-up contacts performed in conjunction with a discharge from the emergency department for behavioral health or other crisis encounter, 4 calls per calendar month
• G0545 — Visit complexity inherent to hospital inpatient or observation care associated with a confirmed or suspected infectious disease by an infectious diseases specialist, including disease transmission…
• G0546 — Interprofessional telephone/internet/electronic health record assessment and management service provided by a practitioner in a specialty whose covered services are limited by statute to services for…
• G0547 — Interprofessional telephone/internet/electronic health record assessment and management service provided by a practitioner in a specialty whose covered services are limited by statute to services for…
• G0548 — Interprofessional telephone/internet/electronic health record assessment and management service provided by a practitioner in a specialty whose covered services are limited by statute to services for…
• G0550 — Interprofessional telephone/internet/electronic health record assessment and management service provided by a practitioner in a specialty whose covered services are limited by statute to services for…
• G0551 — Interprofessional telephone/internet/electronic health record referral service(s) provided by a treating/requesting practitioner in a specialty whose covered services are limited by statute to…
• G0552 — Supply of digital mental health treatment device and initial education and onboarding, per course of treatment that augments a behavioral therapy plan
• G0553 — First 20 minutes of monthly treatment management services directly related to the patient's therapeutic use of the digital mental health treatment (dmht) device that augments a behavioral therapy…
• G0554 — Each additional 20 minutes of monthly treatment management services directly related to the patient's therapeutic use of the digital mental health treatment (dmht) device that augments a behavioral…