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My travel medical claim abroad was denied as a pre-existing condition. How do I prove it wasn't?

Travel insuranceDeniedChecked Nov 5, 2026

From K.Actuary, founded by Sangmin Kwon, ASA · sources checked 2026-11-05 · Source: Cornell LII (copy of California Code of Regulations) · 10 CCR § 2695.7(b)(1) View original ↗

In short

  1. Ask the insurer what record it used to call it pre-existing.
  2. Get your own records for the look-back time and a doctor's letter.
  3. Send them in a written appeal and keep copies.

What this means

Your policy decides what "pre-existing" means. Many say it is a condition that was treated, or showed signs, during a set time before the policy started. That time and the exact words are in your policy. For your policy they are "Don't know yet" here.

Start by asking why. In California, a denial must be in writing, list all its reasons, and explain how the exclusion applies to your claim [1]. In Texas, the notice of rejection must state the reasons [2]. Ask for the medical record or note the insurer relied on.

Then build your proof: • Your doctor's records for the look-back time, showing no visit, test, or medicine for this condition. • A letter from your doctor at home saying when the condition started. • The hospital's records from your trip, showing what was new. Send these with a short written appeal. If you think the insurer was unfair, you can file a complaint with your state insurance department. In Texas, call 800-252-3439 [3].

Your next step

Ask the insurer in writing for the record it used. Ask your home doctor for your records and a letter, then send a written appeal. The sources give no appeal deadline; check your denial letter.

Check it yourself

Read your policy's definition of pre-existing condition, the look-back period, and any "stable condition" wording. Whether your state sets its own rule for travel medical pre-existing exclusions: "Don't know yet".

Where this comes from (3)

  1. [1] Cornell LII (copy of California Code of Regulations) · 10 CCR § 2695.7(b)(1) · checked 2026-11-05

    Where an insurer denies or rejects a first party claim, in whole or in part, it shall do so in writing and shall provide to the claimant a statement listing all bases for such rejection or denial and the factual and legal bases for each reason given for such rejection or denial which is then within the insurer's knowledge. Where an insurer's denial of a first party claim, in whole or in part, is based on a specific s…
  2. [2] Texas Legislature · Insurance Code § 542.056(c) · checked 2026-11-05

    If the insurer rejects the claim, the notice required by Subsection (a) or (b) must state the reasons for the rejection.
  3. [3] Texas Department of Insurance · Get help with an insurance complaint · checked 2026-11-05

    The fastest way to get help with an insurance question Call our Help Line at 800-252-3439. … We can help you with your insurance complaint against companies, agents, and adjusters.

How we found this

We matched your question to 3 official sources, quoted the exact lines, and re-checked each quote against its source on 2026-11-05.

What we don’t know yet

Your own plan or notice may say something different. If your letter cites another rule, send it and we will look again.

Every answer is checked against the official rule it quotes.

Information only — not legal advice. Your plan, insurer or agency decides.

This answer quotes the official sources listed above, with the date we checked them. Your own policy, notice and state rules control. We are not your lawyer or your insurer. We don’t file, argue or negotiate claims for you — you send any letter or form yourself.

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