What Is Hearing Screening? From Newborns to Adults

A hearing screening is a quick, pass-or-fail test that checks whether you can hear well enough across key sound frequencies. It doesn’t diagnose the type or degree of hearing loss. Instead, it flags whether a full diagnostic evaluation is needed. Hearing screenings happen at several points across a lifetime, starting within hours of birth and continuing through school years and into older adulthood.

How a Screening Differs From a Hearing Test

The distinction matters. A screening is brief, often takes just a few minutes, and produces a simple result: pass or refer. It can happen in a hospital nursery, a school nurse’s office, or a primary care clinic. A diagnostic hearing evaluation, by contrast, takes place in a soundproof room with an audiologist and uses a battery of tests to pinpoint the exact type of hearing loss (whether it originates in the inner ear, the auditory nerve, the middle ear, or some combination), how severe it is, and which frequencies are affected.

Think of a screening the way you’d think of a vision chart at the DMV. It tells you whether something needs attention, not what’s wrong.

Newborn Hearing Screening

Nearly all babies born in the United States are screened for hearing loss before leaving the hospital. The CDC’s recommended timeline, known as the 1-3-6 benchmarks, lays out three milestones: screen by one month of age, complete a diagnostic evaluation by three months if the baby doesn’t pass, and begin intervention services by six months. This timeline exists because early access to hearing support has a lasting effect on a child’s language and communication development.

About 1.7 out of every 1,000 babies screened in 2022 were found to have hearing loss, according to CDC data.

OAE Screening

One common method is otoacoustic emissions testing, or OAE. A tiny probe with a microphone is placed in the baby’s ear canal. When sound enters a healthy inner ear, the outer hair cells in the cochlea vibrate and produce a faint echo that travels back out through the ear canal. The probe picks up that echo. If the echo is present, the inner ear is functioning normally. If it’s absent, something in the cochlea isn’t working as expected, though the test can’t say how much hearing loss there is or what’s causing it.

ABR Screening

The other common newborn method is the auditory brainstem response test. Small sensors are placed on the baby’s scalp, and soft clicking sounds are played through tiny earphones. The sensors measure electrical activity along the auditory nerve and brainstem in response to those clicks. This test checks not just whether the inner ear is working but whether the nerve pathway carrying sound signals to the brain is intact. It’s painless and usually done while the baby sleeps.

Some hospitals use one method, some use both. If a baby doesn’t pass the initial screening, it does not necessarily mean the child has permanent hearing loss. Fluid in the ear canal, background noise, or a restless baby can all cause a “refer” result. That’s why the follow-up diagnostic evaluation is so important before drawing any conclusions.

School-Age Screening

After the newborn period, hearing screenings continue through childhood. Most states mandate or recommend screenings at specific grade levels, though the exact schedule varies. Common patterns include screening at kindergarten entry and then at intervals through elementary and middle school, with some states adding checks in high school. For example, California requires screening at kindergarten, first, second, fifth, eighth, and tenth grades. Pennsylvania screens at kindergarten through third grade, then again in seventh and eleventh. Texas covers kindergarten, first, third, fifth, and seventh grades.

These screenings typically use pure-tone audiometry. A child wears headphones and listens for tones played at different pitches and volumes. The tester usually checks four key frequencies (500, 1000, 2000, and 4000 Hz) and looks for responses at a set volume level. Children who don’t respond consistently at the target level are referred for a full evaluation. The whole process takes only a few minutes per child.

School screenings catch hearing changes that develop after birth, whether from repeated ear infections, noise exposure, genetic conditions that progress over time, or other causes.

Adult and Older Adult Screening

Hearing screening in adulthood is less standardized. The U.S. Preventive Services Task Force currently gives an “I” grade to routine screening for adults over 50 who haven’t noticed hearing problems, meaning there isn’t enough evidence yet to recommend for or against it as a universal practice. That doesn’t mean screening is useless for older adults. It means the research hasn’t fully established whether catching age-related hearing loss through screening (rather than waiting until someone notices symptoms) leads to better long-term outcomes.

For older adults, one widely used tool is the Hearing Handicap Inventory for the Elderly, Screening Version (HHIE-S). It’s a 10-question survey that asks about social and emotional situations where hearing difficulty might show up. An interviewer reads the questions aloud, and the whole thing takes five to ten minutes. Studies have found it to be a simple, inexpensive, and accurate way to flag hearing loss in primary care settings, even without any equipment.

Your doctor may also use a quick tone test during an annual physical or ask targeted questions about whether you’ve been turning up the TV, struggling in noisy restaurants, or asking people to repeat themselves. These informal checks serve the same screening purpose: identifying who needs a closer look.

What a “Refer” Result Means

A screening result is either “pass” or “refer” (sometimes labeled “fail”). A refer result is not a diagnosis. It means the screening picked up something that warrants further testing. For newborns, many babies who are referred on their first screening pass on a rescreen or turn out to have temporary issues like fluid in the middle ear.

If you or your child receives a refer result, the next step is a diagnostic audiologic evaluation with an audiologist. This takes place in a soundproof booth and involves a more detailed set of tests that can identify the specific type and severity of any hearing loss. For newborns, the goal is to complete this evaluation by three months of age so that intervention can begin by six months if needed.

Insurance Coverage for Screening

Newborn hearing screening is covered under most insurance plans as part of routine newborn care. School-based screenings are typically provided at no cost through the school system. For adults, coverage depends on the situation. Medicare Part B covers diagnostic hearing and balance exams when ordered by a healthcare provider, and allows one visit to an audiologist every 12 months without a referral for non-acute hearing conditions. However, Original Medicare does not cover routine hearing screenings that aren’t tied to a medical concern, and it does not cover hearing aids or hearing aid fitting exams.

Private insurance policies vary. Many cover a hearing screening as part of a preventive visit, but it’s worth checking your specific plan before scheduling a standalone appointment.