Medical Terminology for Medical Assistants

Medical terminology for medical assistants, organized by the workflows you handle every day: patient intake, vitals, procedures, EHR and SOAP documentation, and billing.

Front Office & Patient Intake

Term / AbbreviationMeaning
Chief complaint (CC)The main reason the patient is seeking care, in their own words.
History of present illness (HPI)A timeline of how the current problem started and evolved.
Past medical history (PMH)Prior diagnoses, hospitalizations, and chronic conditions.
Past surgical history (PSH)Prior surgeries with dates if known.
Allergies & ADRsDrug allergies, environmental allergies, and adverse drug reactions.
Medication reconciliationVerifying every drug a patient takes, including doses and frequency.
DemographicsIdentifying information: name, DOB, contact, insurance, emergency contact.
TriageAssessing patient acuity to prioritize who is seen first based on urgency.

Vital Signs MAs Measure

Term / AbbreviationMeaning
Blood pressure (BP)Systolic over diastolic in mmHg — e.g., 120/80.
Heart rate (HR) / PulseBeats per minute. Normal adult resting: 60-100 bpm.
Respiratory rate (RR)Breaths per minute. Normal adult: 12-20.
Temperature (T)In °F or °C. Normal: ~98.6°F (37°C). Documented with route (oral, tympanic, temporal, axillary).
SpO2 (pulse oximetry)Peripheral oxygen saturation as a percentage. Normal: ≥95%.
Weight & height (wt/ht)Used to calculate BMI and dose medications.
Pain scaleSelf-reported on a 0-10 scale (or pediatric/non-verbal scales).

Common Procedures MAs Assist With

Term / AbbreviationMeaning
PhlebotomyDrawing blood from a vein for laboratory testing.
VenipunctureThe act of puncturing a vein, typically for blood draw or IV access.
Capillary punctureFinger or heel stick for small blood samples (e.g., glucose).
Electrocardiogram (ECG/EKG)Recording the electrical activity of the heart with skin electrodes.
SpirometryPulmonary function test measuring how much and how fast a patient can exhale.
Nebulizer treatmentInhaled medication delivered as a fine mist via mask or mouthpiece.
Wound care / dressing changeCleaning, assessing, and re-dressing a wound under provider direction.
Sterile techniqueA method of preventing contamination during procedures.
PPE (personal protective equipment)Gloves, gown, mask, and eye protection worn to prevent exposure to infectious material.

EHR & Documentation Terms

Term / AbbreviationMeaning
EHR / EMRElectronic health record / electronic medical record — the digital chart.
SOAP noteSubjective, Objective, Assessment, Plan — a structured visit note.
Progress noteDocumentation of a single visit or a change in patient status.
Order entry (CPOE)Computerized provider order entry for labs, imaging, and medications.
ReferralA formal request for the patient to be evaluated by a specialist.
Authorization / pre-authInsurance approval required before certain services are performed.
EncounterA single patient visit — what gets billed and documented.

Insurance, Coding & Billing Basics

Term / AbbreviationMeaning
ICD-10Standard diagnosis code system used on every claim.
CPTProcedure and service codes used for billing.
HCPCSCodes for supplies, equipment, and non-physician services.
CopayFixed amount the patient pays at the time of service.
DeductibleAmount the patient pays before insurance starts covering services.
EOBExplanation of Benefits — the insurer's summary of how a claim was processed.
HIPAAFederal law protecting patient health information privacy and security.

Common Clinical Terms MAs See Daily

Term / AbbreviationMeaning
HypertensionHigh blood pressure — frequently managed in primary care.
Hyperglycemia / HypoglycemiaHigh / low blood glucose, monitored in diabetic patients.
Tachycardia / BradycardiaFast / slow heart rate.
DyspneaDifficult or labored breathing.
EdemaSwelling caused by fluid retention.
ErythemaSkin redness, often from inflammation or irritation.
LesionAny area of abnormal tissue, used broadly across body systems.

Explore More Medical Terminology

Frequently Asked Questions

What medical terminology do medical assistants need to know?

MAs need fluency across an unusually wide range — front office and intake vocabulary, vital signs, common procedures (phlebotomy, ECG, spirometry), EHR documentation terms (SOAP, HPI, ROS), and insurance/billing basics (ICD-10, CPT, copay, deductible).

Is medical terminology hard for medical assistants to learn?

It's manageable when you learn the morpheme system rather than memorizing every term. The same prefixes, roots, and suffixes appear in thousands of clinical words — once you know the parts, you can decode unfamiliar terms on the fly.

What are the most important MA vocabulary categories?

Vital signs and assessment vocabulary, common chronic conditions (HTN, DM, COPD, CHF), medication terms, EHR/SOAP note structure, and insurance terminology. These five categories cover most of what an MA reads or documents in a typical day.

Will this help me pass the CMA or RMA exam?

Yes. Both the CMA (AAMA) and RMA (AMT) exams test medical terminology directly and indirectly through clinical scenarios. The morpheme-based approach we teach is exactly what those exams reward.

What's the difference between MA and nursing terminology?

There's significant overlap, but MAs focus more on outpatient workflow, intake, and administrative vocabulary, while nurses handle more inpatient assessment and intervention vocabulary. Both rely on the same underlying morpheme system.

Where can I practice MA medical terminology for free?

Our interactive medical terminology games are free to start, with no signup required. The Undergraduate and Pre-Med levels cover foundational vocabulary that every MA needs.