5 Exclusions That Define What Private Medical Cover Is For

1. Pre-existing conditions

Almost every policy excludes conditions you already had, and the definition is broader than people expect: anything you have had symptoms of, sought advice about, or received treatment for, frequently within a defined look-back period.

Two underwriting approaches are common. Full medical underwriting asks questions upfront and lists exclusions before you buy. Moratorium underwriting asks nothing and excludes anything from the recent past, potentially covering it later if you go a defined period without symptoms or treatment.

Moratorium policies feel simpler to buy and produce disputes at claim time, because the assessment happens then rather than at the start.

2. Chronic conditions

Private medical insurance generally covers acute conditions — those expected to respond to treatment and resolve.

Chronic conditions requiring ongoing management are typically excluded, though the initial diagnosis and any acute flare may be covered.

This is the single most misunderstood aspect of these policies, and it is why they sit alongside public healthcare rather than replacing it.

3. Other common exclusions

Emergency and accident care, which remains the province of public emergency services.

Pregnancy and childbirth in most standard policies.

Cosmetic procedures, and treatment arising from them.

Some mental health provision, though this varies considerably and has improved.

Treatment outside an approved hospital list, which is how lower premiums are achieved.

4. How premiums are structured

Premiums rise with age, and rise further after claims on many policies.

An excess reduces the premium and is payable per policy year or per condition depending on the wording, which is a meaningful difference.

Outpatient limits cap the part of the policy most people actually use.

5. Assessing a quote

Compare the hospital list, the outpatient limit, the excess basis and the underwriting type before comparing price.

Ask what happens to cover for a condition if you later switch insurer, since it usually becomes pre-existing.

Check whether the employer scheme you may already have covers family members.

Final Thoughts

Private medical insurance is bought on speed and choice, and the exclusions decide when either is available. Understanding the underwriting type and the chronic condition limits before buying prevents the disputes that arise at claim time.