Basic Life Support (BLS) certification is a credential that validates your ability to recognize and respond to life-threatening emergencies. It covers cardiopulmonary resuscitation (CPR) for adults, children, and infants, automated external defibrillator (AED) use, and relief of foreign-body airway obstruction (choking). BLS certification is required for most healthcare providers — including nurses, EMTs, physicians, and medical assistants — and is widely recognized across hospitals, clinics, and emergency services nationwide.
BLS certification training equips healthcare professionals with the core emergency response skills needed to sustain life until advanced care arrives. A standard BLS course covers:
Courses combine video-based instruction with hands-on skills practice using manikins and AED trainers, culminating in a skills evaluation and written exam.
BLS certification is a mandatory credential in virtually every clinical and pre-hospital healthcare role. The following professionals are typically required to hold a current BLS card:
Employers in acute care, urgent care, long-term care, and outpatient settings routinely verify BLS status at hire and during annual credential reviews. Many state licensing boards also list BLS as a condition for initial licensure or renewal.
Two organizations dominate BLS provider training in the United States: the American Heart Association (AHA) and the American Red Cross. Both are accredited and widely accepted by employers, but there are meaningful differences:
American Heart Association (AHA) BLS: The AHA's BLS Provider course is the gold standard for hospital-based and clinical settings. It follows the most current AHA guidelines (updated every five years), emphasizes team dynamics, and is offered through authorized training centers in blended learning (HeartCode BLS online + skills check) or fully in-person formats. A successful completion yields a 2-year BLS Provider card.
American Red Cross BLS: The Red Cross offers BLS for Healthcare Providers, which mirrors AHA content and is accepted at most employers. Red Cross courses often have more flexible scheduling, including fully online blended options and a lower average cost. Certification is also valid for 2 years.
Before enrolling, confirm with your employer or licensing board which issuing organization they prefer — most accept both, but some hospitals specify AHA only.
BLS (Basic Life Support) is the entry-level certification required by nearly all clinical roles. Once you have BLS, certain advanced roles require additional credentials:
BLS is always the foundation. Most employers require you to hold a current BLS card before enrolling in ACLS or PALS courses.
Getting your BLS certification is a straightforward process that can typically be completed in a single day. Here is what to expect:
Total time investment for most students is 3–4 hours for in-person, or 1.5–2 hours online plus a 45-minute skills session for blended formats.
BLS certification expires every 2 years. Employers and licensing boards require a current, unexpired card — a lapsed BLS certificate can delay hiring, clinical placement, or license renewal. Here is how to stay current:
Renewal courses: Both AHA and Red Cross offer abbreviated renewal (recertification) classes for providers who already hold a current or recently expired card. These are shorter than initial certification — typically 2–3 hours in person or a blended option — because they focus on skills practice and guideline updates rather than introductory instruction.
Renewal timing: You can renew up to 90 days before your expiration date without losing your original renewal date. Waiting until the card expires means re-taking the full initial course at some training centers.
Guideline updates: The AHA updates CPR and ECC guidelines every five years (most recently in 2026, with focused updates in 2026). Renewal courses incorporate any protocol changes — such as updated compression-to-ventilation ratios or opioid overdose response integration — so your skills stay aligned with current evidence.
Employer-sponsored renewal: Many hospitals and large health systems host on-site BLS renewal sessions through their education departments. Check with your HR or clinical education team before paying out of pocket — employer-sponsored renewal is often free and completed during work hours.
Online-only renewal: Fully online (no skills check) BLS renewal is not accepted by most healthcare employers or licensing boards. Always confirm your employer's requirements before choosing a renewal format.