Arthritis and insurance cover

Written by Muhammad Junaid. Reviewed by Dior Teshayev.

Published 2026-09-15. Last reviewed 2026-09-15. Next review due 2027-03-15.

How underwriting usually handles it

• Health insurers usually exclude the affected joints, and sometimes the musculoskeletal system more widely.
• Inflammatory arthritis is underwritten more cautiously than wear-and-tear joint problems.
• Income protection underwriters focus on the effect on your occupation.
• Joint replacement for an excluded joint will not be covered, even though the operation itself normally would be.

Which underwriting basis you choose changes the answer more than the condition itself does. Our guide to moratorium versus full medical underwriting explains the two routes; in short, a moratorium asks nothing up front and decides later, while full underwriting decides now and puts the answer in writing.

What is commonly excluded or limited

• Ongoing management of a chronic condition sits outside health insurance.
• Physiotherapy for an excluded joint is excluded.
• Exclusions often name the joint, so ask which joints are covered and which are not.

Nothing here is universal. Two insurers can take different views of the same history, and the same insurer can take different views on two products. The policy wording is the only thing that decides it.

What happens when you claim

• A claim for a different joint may be payable — check the wording rather than assuming.
• Insurers will look at the GP and rheumatology record.
• NHS care follows clinical guidance, not policy terms.

Insurers must handle claims promptly and fairly and must not turn a claim down unreasonably; the rules are in the FCA’s insurance conduct sourcebook. ^[1] If you think a decision is wrong, you can complain and then take it to the Financial Ombudsman Service free of charge. ^[2] Our complaints page sets out both routes.

The NHS route

Whatever an insurer decides, NHS care is unaffected: buying or being refused insurance changes nothing about your entitlement. Treatment on the NHS follows clinical guidance rather than policy wording. ^{[5] [4]} For information and support about the condition itself, Versus Arthritis is a better place than an insurance site.

Questions to ask before you buy

1. Which joints are named in the exclusion, and which are still covered?
2. On a moratorium policy, exactly how far back does the look-back go, and how long must I be clear?
3. If I choose full underwriting instead, will you put the exclusion wording in writing before I pay?
4. Would the exclusion be reviewed later, and on what evidence?
5. Does the exclusion extend to related conditions and complications, or only to this one?

An adviser can answer those questions for your own history; we cannot, and we do not try to. Anyone advising you on insurance must be authorised, and you can check them on the Financial Services Register. ^[3] Free impartial guidance is also available from MoneyHelper. ^[6]