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CCMA · Medical Law and Ethics · 7 min read

Civil and Criminal Liability, Negligence and Torts

In this lesson you will
  • Differentiate between criminal law and civil law, including the standards of proof, classifications of crimes, and types of torts.
  • Explain the four elements of negligence, forms of malpractice, and legal doctrines governing professional liability in the outpatient setting.
  • Identify intentional torts, patient consent requirements, confidentiality obligations, and the medical assistant's professional scope of practice under provider supervision.

Foundations of the Legal System: Criminal Law Versus Civil Law

In healthcare, understanding the legal framework is essential for safe practice. Criminal law focuses on offenses committed against the state or society as a whole. Because these acts threaten public order, the government initiates prosecution against the accused individual. To secure a conviction in a criminal proceeding, the government must prove guilt beyond a reasonable doubt, which is the highest standard of proof in the legal system. Criminal offenses are broadly categorized based on their severity. A felony is a major crime punishable by death or imprisonment for more than one year. In contrast, a misdemeanor is a lesser crime typically punishable by a fine or imprisonment for up to one year, depending on the specific jurisdiction.

Civil law, on the other hand, governs noncriminal disputes over rights and obligations between private parties. These legal disputes can arise between individuals, organizations, and sometimes government entities. Unlike criminal prosecutions, civil cases do not require proof beyond a reasonable doubt; instead, liability is typically determined by a preponderance of the evidence. Under this standard, the party bringing the claim must show that it is more likely than not that the opposing party is legally responsible.

A central focus of civil law in ambulatory healthcare is the law of torts. A tort is defined as a civil wrong committed against a person or property that causes harm. Common tort categories include intentional torts, negligence (an unintentional tort), and strict-liability torts, which do not require proof of intent or negligence. Intentional torts involve deliberate acts that violate another person's rights. Unintentional torts occur when harm results not from purposeful misconduct, but from a failure to act with reasonable care under the circumstances.

Comparison of Criminal Law and Civil Law
FeatureCriminal LawCivil Law
Nature of OffenseOffenses committed against the state or society as a wholeNoncriminal disputes over rights and obligations
Initiating PartyThe government initiates prosecutionIndividuals, organizations, or government entities bring the claim
Standard of ProofGuilt must be proven beyond a reasonable doubtLiability is determined by a preponderance of the evidence
Potential Penalties or OutcomesFines, imprisonment for up to one year (misdemeanor), or imprisonment for more than one year or death (felony)Determination of liability and remedies for harm caused by civil wrongs (torts)
Exam tip. When answering exam questions, do not confuse the standards of proof. Criminal law requires guilt beyond a reasonable doubt, whereas civil law relies on a preponderance of the evidence. Also remember that the government prosecutes criminal offenses, while civil suits resolve noncriminal disputes between private parties.

Common mistakes

  • Assuming Good Samaritan laws protect clinical medical assistants during their normal working hours in an outpatient medical office.
  • Attempting to explain the risks, benefits, and alternatives of a procedure for informed consent, which is solely the provider's legal duty.
  • Believing that an employee cannot be personally sued under respondeat superior, when in fact both the medical assistant and employer can be named in a liability claim.
  • Failing to recognize that threatening a patient to coerce cooperation constitutes assault, even if physical contact never occurs.

Key points

  • Criminal law addresses crimes against society and requires proof beyond a reasonable doubt, whereas civil law addresses disputes between private parties and relies on a preponderance of the evidence.
  • Negligence requires proof of all four Ds: duty, dereliction, direct cause, and damages; malpractice is professional negligence committed by a healthcare worker acting in a professional role.
  • Respondeat superior holds employers liable for employee negligence within their scope of employment, but both the assistant and the employer may be named in a liability claim.
  • Intentional torts include assault (threat creating apprehension), battery (unconsented physical contact), false imprisonment (unlawful confinement), and defamation (slander if spoken, libel if written or published).
  • Informed consent requires the provider to explain diagnoses, treatments, risks, and alternatives; medical assistants may only witness signatures or relay provider instructions.
  • Good Samaritan laws offer limited protection for voluntary, uncompensated emergency aid outside regular duties and generally do not apply to regular paid clinic work.
  • Medical assistants must strictly stay within their scope under provider supervision, avoiding diagnosing, prescribing, or independently interpreting results, while maintaining timely, objective documentation.

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Original lesson written for CCMA practice · updated October 14, 2026. Exam names are trademarks of their owners; tests.global is not affiliated with them.