Medical Assistant Responsibilities: Complete Clinical & Administrative Duties Guide

Medical assistants perform a unique hybrid role blending direct patient care with practice operations. This comprehensive breakdown organizes duties by domain for clarity and training reference.

Clinical Responsibilities

Patient Assessment & Vital Signs

• Measure and record: BP, pulse, respiration, temperature, SpO₂, height, weight, BMI
• Obtain chief complaint, history of present illness, review of systems
• Reconcile medications, allergies, pharmacy at each visit
• Perform vision/hearing screening, depression scales (PHQ-9), fall risk assessments

Specimen Collection & Diagnostic Testing

• Phlebotomy: venipuncture, capillary draws, pediatric/geriatric adaptations
• CLIA-waived testing: glucose, strep, flu, mono, urinalysis, pregnancy, HbA1c
• EKG acquisition (12-lead, rhythm strips)
• Spirometry, peak flow, oximetry
• Specimen labeling, processing, transport, chain of custody

Clinical Procedures & Treatment Support

• Injections: IM, SC, ID (vaccines, B12, antibiotics, allergens per protocol)
• Wound care: dressing changes, suture/staple removal, staple placement assist
• Ear irrigation, wound irrigation, foreign body removal assist
• Splinting, casting assistance, crutch/walker fitting
• Prepare patients for exams/procedures: positioning, draping, chaperoning

Patient Education & Communication

• Medication instructions, side effects, adherence counseling
• Pre/post-procedure instructions, wound care teaching
• Chronic disease self-management: diabetes, HTN, asthma, anticoagulation
• Preventive care reminders: immunizations, screenings, follow-ups

Administrative Responsibilities

Front Office & Patient Flow

• Check-in/check-out: demographics, insurance verification, consents
• Appointment scheduling: new/established, follow-ups, procedures, referrals
• Phone triage: clinical messages, prescription refills, urgent concerns
• Patient portal management: messages, results release, forms

Medical Records & Documentation

• EHR documentation: rooming notes, vitals, history updates, procedure notes
• Scanning/indexing external records, imaging, correspondence
• Release of information: authorization verification, timely fulfillment
• Chart preparation: pre-visit planning, gap closure, quality metrics

Billing, Coding & Revenue Cycle

• Charge capture: visit levels, procedures, injections, supplies
• ICD-10/CPT coding awareness for clean claims
• Prior authorization initiation and tracking
• Denial management support: documentation retrieval, appeals

Practice Operations

• Inventory management: vaccines, medications, supplies, sharps
• Equipment maintenance: calibration logs, quality control, cleaning
• Regulatory compliance: OSHA, HIPAA, CLIA, fire/safety drills
• Quality improvement: data collection, PDSA cycles, patient experience

Scope of Practice Boundaries

• Cannot: Diagnose, prescribe, interpret results independently, perform procedures beyond training, accept verbal orders without provider cosign
• State variation: Some states define MA scope in statute; others defer to delegation rules
• Supervision: Direct (physician on-site) vs. general (available by phone) varies by task/state

This scope reflects standard competencies for certified MAs in outpatient settings. Always verify against your state regulations and facility policies.