Why two healthy clients get different life insurance offers

Two clients apply the same week. Both are in their mid-forties, neither smokes, both exercise and see a doctor once a year. One gets a preferred offer. The other gets standard. Neither fully understands why. The answer lives in how life insurance underwriting actually works.

What underwriting does

Underwriting is how an insurer examines risk and sets the rate for coverage. The goal is to classify applicants into groups so premiums reflect the mortality risk each person may represent. The rate class a carrier assigns can drive the premium more than almost any other variable.

The rate class ladder

Most carriers use a tiered structure, from most to least favorable: Preferred Best, Preferred, Standard Plus, and Standard. Below Standard come table ratings, often labeled A, B, C or 2, 3, 4, which may add 25%, 50%, 100%, or more to standard mortality pricing. Carriers can also apply a flat extra charge, a fixed dollar amount per thousand of face value, for hazardous occupations or temporary impairments.

The spread matters in practice. Financial trade press has cited a case where a $1 million permanent policy runs about $10,000 per year at preferred and $12,500 at standard. That gap can compound over decades. Table-rated cases may push costs further still.

What underwriters weigh

A carrier looks at medical history first. Diabetes, heart disease, cancer, hypertension, high cholesterol, stroke, and mental health conditions can all trigger additional questions. Build, lab results, blood pressure, tobacco and alcohol use, family history, driving record, and activities like skydiving may also factor in.

The Society of Actuaries has quantified some of these effects. For applicants ages 40 to 69, someone with blood pressure below 145/85 carries roughly 77% of the mortality of someone above that threshold. A person who stopped using tobacco more than five years ago shows about 61% of the mortality of a recent user.

Underwriters do not read lab work as a list of isolated numbers. The blood profile is read as a story about overall health direction. Carriers now often have access to longitudinal data, including weight, blood pressure, and A1C over time, which lets them see trends rather than a single snapshot.

Beyond the medical exam, accelerated underwriting programs may pull from credit reports, motor vehicle records, prescription databases, MIB data, and third-party vendors. According to LIMRA, nearly 90% of life insurers are already using or planning to use automated underwriting. These programs reach a decision in roughly nine days on average, compared with about 27 days under traditional underwriting.

One limitation is worth flagging. Substandard or table-rated coverage is generally not available through instant-issue underwriting. Carriers need fuller data to assess elevated risk, so an applicant who would likely receive a table rating usually needs full underwriting.

Carrier guidelines vary more than clients expect

The same applicant can receive different offers from different carriers because each insurer uses its own mortality tables and its own method of applying debits and credits. Financial trade press has noted that worse-than-necessary underwriting can cost tens or hundreds of thousands of dollars over a policy's life. A policy placed in a worse rate class can sometimes be re-underwritten more favorably later, occasionally with the same carrier, after lifestyle changes. Someone who stopped smoking, lost weight, or built years of clean driving history may be overpaying on an existing contract without realizing it.

Setting expectations before the application goes in

A few things are worth covering with clients before any application is submitted.

Applications leave a record. The MIB collects information about medical conditions and hazardous avocations and shares it with carriers when authorized. Multiple applications filed in a short window can show up on that record. Consumers may request one free MIB report per year.

Denials create a disclosure obligation. Most applications ask directly whether coverage has ever been declined. A premature or poorly matched application can create a fact that follows the client to every future carrier.

Pre-screening against carrier guidelines before submitting can save time and protect the client's record. The preferred rate a client expects is not always the offer they receive, and that gap is worth discussing before it becomes a surprise.

This article is general information, not financial, tax, or legal advice. Underwriting outcomes depend on each carrier's guidelines and an applicant's individual circumstances.