DogDecide
Dachshund · Denied claims · Checked 8 Oct 2026

The claim came back denied

Denied is not the same as final, and it is not the same as correct. A pre-existing condition finding is the most common reason pet claims are refused — and it is also one of the most reversible, because the decision usually rests on a line in your dog’s notes rather than on your dog. What follows is the order to work in, the one document that decides most appeals, and what sits above the insurer when the appeal fails.

Start with the letter Build your action list

Read this first. If your dog is in trouble right now — cannot walk, cannot pass urine, or is getting worse hour by hour — the claim is not the emergency. Go to a vet first, and use the IVDD emergency card for the first hour. If the surgery is done or quoted and the bill is the immediate problem, the money routes run in parallel with everything on this page, not after it. Nothing here pays a bill today, and we are not going to pretend it does.

Start with the letter, not the phone call

A denial is a document before it is an argument. Four things are in it, and you want all four in front of you before you write anything to anybody. If one is missing, that absence is itself information.

  1. The reason, in their words. Not the reason you think they used. “Pre-existing condition”, “waiting period”, “bilateral or related condition”, “condition excluded by the policy” and “insufficient documentation” are five different problems with five different answers. Arguing the wrong one wastes the only resource you cannot get back, which is the appeal window.
  2. The clause they are relying on. A proper denial names it. Then read that clause in your own policy document — the definitions section, word for word — rather than the summary page you were sold from. The two are not always the same document, and the definitions are the part that gets quoted back at you.
  3. The record entries they relied on. This is the one people forget to ask for, and it is the one that decides the appeal. Ask for the specific notes, by date. The reason it matters: pre-existing definitions normally cover signs and symptoms, not just diagnoses, so a line reading “owner reports occasional limping, no diagnosis at this time” is routinely enough to exclude later orthopaedic claims. You cannot argue with a note you have not seen.
  4. The deadline, and how to file. Most appeal windows sit 30 to 60 days from the date of the letter, and they are stated in it. If yours is not stated, ask for it in writing the same day. An unstated deadline is worth raising later on process grounds, and the request itself creates the record that proves you asked.

Put every request in a channel that leaves a record. Email, or the insurer’s message centre. Not a phone call. A sentence you say to a claims handler is not evidence of anything two weeks later, and a date you were told by voice does not survive contact with a denial letter.

The six denials, and what each one actually needs

Read the third column first. Two denials can use the same words and need completely different documents.

The reason given What it means What actually decides it Where it goes next
Pre-existing conditionThe condition showed signs before cover began, or during the waiting period Not that your dog was ill. That the insurer read a record entry and concluded it describes this condition. Which entries they cited, and whether each one describes the same condition at the same site. The technical answer often comes down to the shape of a date line. Internal appeal, with a veterinary letter answering the cited notes. The highest-value appeal there is.
Waiting periodThe treatment happened before cover for that type of claim began A calendar argument, not a medical one. The date on the policy against the date of the first signs. The effective date, the first date of signs, and whether a veterinary exam waiver was available to shorten the wait. Appeal on the dates. If you were never told the waiver existed, say so — in model-act states it is a required provision.
Bilateral or related conditionA documented condition on one side is extended to the other The insurer is treating two events as one condition. Two knees, two sides of a spine, or an old note and a new injury. The word bilateral in your policy’s definitions, plus your vet’s clinical view on whether the two are independent events or one process. Internal appeal with a letter that separates the two clinically, not just by date.
Condition excluded by the policyThe policy genuinely does not cover this treatment The weakest hand you can be dealt, and the one where appealing costs the most time for the least chance. The exclusion text, read plainly. If it covers what happened, no letter changes that. If you are still inside the free look window, cancel the policy for a refund instead. Otherwise, the money routes.
Insufficient documentationSomething was missing from the claim itself No coverage judgement was made at all. Somebody needed a document and did not have it. The paperwork and nothing else — usually an itemised invoice rather than a receipt, a confirmed diagnosis in the notes, or the specialist’s report. Resubmit. This is the fastest-reversing category there is, and the one most worth doing today.
No reason givenOr a reason you cannot act on The letter did not do its job. This happens more often than it should, and it is enforceable. A written request for the specific reason, the clause, and the cited records. Silence in reply is itself a finding. Internal appeal, plus a state insurance department complaint on process grounds if the reply never comes.

Categories and the documents each one turns on are drawn from published consumer guidance and state statutes, checked on 8 October 2026. We have not handled a claim and we do not publish reversal rates, because nobody publishes them for pet claims and a number we invented would be worse than no number.

Build your action list, and put the deadline in the calendar

Two questions turn the table above into an ordered list. Nothing is sent anywhere, and the answers stay in this browser.

Use their wording from the letter, not your reading of it.
Not the date you received it. The date on the page, which is what the window runs from.
Read it off the letter. The letter overrides every default on this page.
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The date arithmetic runs in your browser on the figures you typed. We do not ask who your insurer is, we do not store anything, and we cannot see any of it.

Who has to prove what

Almost every pre-existing denial is argued as though you have to prove your dog was healthy. In a growing number of states that is backwards, and knowing which side of the line you are on changes what your appeal needs to say.

The NAIC’s Pet Insurance Model Act, adopted in August 2022 as a template for state law, places the burden of proof on the insurer when it denies a claim on pre-existing grounds. At least 14 states had enacted legislation based on it as of 2026, among them California, Delaware, Florida, Louisiana, Maine, Maryland, Mississippi, Montana, Nebraska, New Hampshire, Ohio, Pennsylvania, Vermont and Washington. Florida writes the standard into its own statute and so does Washington. New Jersey and Rhode Island are among the most recent to move, and the count is moving every year — your state insurance department publishes whether yours has.

What that means in practice is narrower and more useful than it sounds. It is not your job to prove the condition is new. It is their job to show that the record entry they leaned on actually describes the condition they refused to pay for. Most denials do not spell that connection out, and one sentence exposes it:

“Which entries in my dog’s veterinary records are you relying on, and how does each one relate to the condition you declined?” Ask for the answer in writing.

If the answer is a note about something else — a different limb, a stomach upset, a comment about weight, a single word in a wellness exam — you have the core of your appeal and it wrote itself. If the answer is a note about this same spine, at this same site, before cover began, you are probably arguing about the start date rather than about coverage, and the honest advice is that the dates matter more than the diagnosis.

Three more protections worth checking against your own state

  • No waiting period on accidents. In states that have adopted the model, accident coverage begins with the policy. Illness and orthopaedic waiting periods are capped at 30 days, which is shorter than some legacy policies ran.
  • A veterinary exam waiver. Every policy with a waiting period must include a provision letting you waive it by having a vet exam after purchase. It is rarely advertised. If your denial is a waiting-period denial and nobody ever mentioned this, that is worth raising, and worth raising on process grounds.
  • No re-classification at renewal. A condition your policy has already covered cannot later be reclassified as pre-existing. If that is what happened, you are looking at a different and stronger argument than the one you thought you had.

If your state has not adopted the model act, none of the above is closed off. General unfair-trade-practice law and your insurance department’s market conduct standards apply everywhere, and a denial with no stated reason, or one that ignored the insurer’s own published appeals procedure, is a process failure anywhere in the country.

The document that decides it is not yours

Most appeals are won or lost on a piece of paper your veterinarian writes. Five things have to be in it, and the order matters as much as the content.

  1. The diagnosis, and the date the first signs are documented as having appeared. Two dates, not one. The date of diagnosis is usually the least helpful date in the record.
  2. Whether this condition is clinically distinct from anything documented before your policy took effect. Distinct is the word that does the work.
  3. An answer to each cited entry, one by one, by date. If the insurer cited four notes, the letter addresses four notes. An appeal that answers the strongest citation and ignores the other three reads as though the other three were right.
  4. What the record does not show. A negative is evidence: no earlier note of back pain, no earlier gait change, no earlier treatment, no imaging of that site. This is the part owners forget to ask for and the part insurers are least able to answer.
  5. Letterhead, signature, date. A sentence in a discharge summary is not a clinical opinion, and it is not what a reviewer is looking for.

Ask for the truth, not for a conclusion. Do not ask your vet to say the condition is new. Ask them to say what the record shows. A letter that overstates is the easiest thing in the file for an insurer to dismiss, and the version that sticks to dates and clinical findings is usually enough on its own.

How to get it written in time

Take the denial letter to the appointment, not your summary of it. Vets write these often and most will do it. Practices commonly charge a records or letter fee, which is small against the bill you are arguing about, and worth asking about up front so it is not a surprise. Tell the receptionist your appeal deadline when you ask. If the deadline is closer than the appointment, request the letter in writing and file the appeal meanwhile.

What sits above the insurer

Three levels, in order. Each one is a different kind of pressure, and the second is the one almost nobody uses.

  1. 1

    The internal appeal

    Your policy’s own review process. The window is stated in the denial letter and is typically 30 to 60 days from its date. Two things improve the odds and cost nothing: ask that the review be handled by a different department or by a veterinary medical director, and say explicitly in the letter that this is what you are asking for. Send it by email with a read receipt, or by certified mail if you prefer paper, and keep a complete copy of everything you send.

    Cost: postage. Typical decision time: about a month. Follow up once after ten business days.
  2. 2

    A complaint to your state insurance department

    Free, open to anyone, and usually an online form. It works on process as much as on merit: a reason that was never stated, a denial that ignored the insurer’s own published appeals procedure, a response that never came, a cited record entry that cannot be tied to the condition. Every state has a regulator, sometimes called the department of insurance and sometimes the department of financial services, and the national association of insurance commissioners keeps a directory of them.

    This is the step most people skip, and it is the cheapest one to take. It also creates the record that matters if the same thing happens to someone else.
  3. 3

    And above that, in some states and some policies

    An external independent review, where your state requires insurers to offer one. An insurance ombudsman, in the few states that have the office. The attorney general’s consumer protection division. And for an insurer that misrepresented coverage rather than merely decided against you, a lawyer who handles insurance disputes — some states allow damages beyond the claim amount for bad faith, and many lawyers give a free initial consultation.

    Check one thing first: whether your policy contains a binding arbitration clause. If it does, the last step is an arbitrator rather than a court, and that changes what pursuing it costs.

Weigh all of this against the amount in dispute. An appeal and a regulator complaint cost you time and nothing else. A lawyer costs money, and for a dispute in the low thousands the arithmetic usually does not work — which is the honest reason most denials stand, and not a reason to skip levels one and two.

Four things not to do

Do not switch insurers while you are angry

Switching resets the clock in the way that hurts most. Every condition documented before a new policy’s effective date becomes pre-existing under that new policy — including the one you are currently fighting about. The condition becomes a permanent exclusion somewhere else, and you lose the underwriting history you had built up. If the policy is still doing its job for everything else, have the argument where you are.

Do not resend the same claim unchanged

A second submission with the same paperwork gets the same answer from the same reading of the same notes. An appeal is a new argument with new documents. Without either, it is a delay dressed up as a step.

Do not argue about the diagnosis

The denial is almost never about whether your dog is ill, and nobody at the insurer disputes that. It is about what was already in the record and when. Answer that question and you are arguing on the ground where the decision was actually made.

Do not let the deadline pass while you gather the perfect file

File on time with what you have, and say in the appeal that the veterinary letter is following. A thin appeal filed inside the window can be added to. A late one needs to be argued about before it can even be read.

If the money is the real problem

An appeal does not pay a bill that is already due. These run in parallel with everything above, not after it, and the funding routes do not care how your claim was decided.

  • The bill is due now: the funding routes, in the order that works, including the two application-order traps that cost people days.
  • You are wondering whether to keep paying the premium at all: insure or self-insure runs the ten-year arithmetic, and it is the right page for the question a denial tends to raise.
  • The problem is when cover would begin: the timing tool returns the date full spinal cover starts, and the last date you could still sign up.
  • Something has happened right now: the emergency card first, always.

One thing worth saying plainly: a denial is not evidence that the insurance decision was wrong. It is evidence that this particular claim met this particular clause. Those are different findings, and conflating them is how people cancel cover they still need.

Questions people actually ask

Is a pet insurance denial final?

No. A denial is the insurer’s first position rather than the last word, and it opens a sequence: an internal appeal, then a complaint to your state insurance department, and in some states an external review. The window is stated in the denial letter and is usually 30 to 60 days from its date. The step that decides most appeals is not an argument. It is a written request asking exactly which veterinary record entries the denial relied on, followed by a letter from your vet that addresses those entries one by one.

Is it worth appealing a pre-existing condition denial?

It is the most common reason claims are refused and one of the most reversible, because the decision usually turns on how a line in your dog’s notes was read rather than on your dog. Pre-existing definitions normally cover signs and symptoms, not only diagnoses, so a note reading that the owner reports occasional limping with no diagnosis at this time can be enough to exclude later orthopaedic claims. That is also why the appeal has a real chance: it is possible to show that the note describes something else, or that the timeline in the record was misread. The category with the highest reversal rate, though, is the simplest one. A denial for missing documentation is usually resolved by resubmitting with an itemised invoice, a confirmed diagnosis and the specialist’s notes.

Who has to prove a condition is pre-existing?

In states that have adopted the NAIC Pet Insurance Model Act, the insurer does. The model, adopted in August 2022 as a template for state law, places the burden of proof on the insurer when it denies a claim on pre-existing grounds, and that standard is written into state law in places including Florida section 627.71545 and Washington RCW 48.205. At least 14 states had enacted legislation based on the model as of 2026. If your state has not, the burden question is less clear-cut, but a denial with no stated reason, or one that ignored the insurer’s own published appeals process, is a process failure that your state insurance department can take up regardless.

How long do I have to appeal a denied claim?

The deadline is stated in the denial letter and is typically 30 to 60 days from its date. There is no single national rule, because appeal windows are set by the policy and by state insurance law rather than standardised. Find the paragraph in your letter that gives the deadline and says how to file, and if it is not there, ask for both in writing the same day. An unstated deadline is itself worth raising, and the request creates a record. File on time with what you have rather than late with a perfect file, and say in the appeal that the veterinary letter is following.

Do I need a lawyer to appeal?

Usually not for a single disputed claim. An internal appeal and a state insurance department complaint both cost you time rather than money, and the regulator route is free and open to anyone. Legal action is a last step, and for a dispute in the low thousands the arithmetic often does not work, which is the honest reason most denials stand. One thing to check before you decide: whether your policy contains a binding arbitration clause, because that changes where a dispute ends up and what it costs to pursue.

If my appeal succeeds, will the whole bill be paid?

No. An approval is not a full payment. Your deductible, the reimbursement percentage, the annual limit and any per-condition cap all still apply, and the payout is normally a reimbursement, meaning you pay the practice first and the insurer pays you back. An 8,000 dollar bill on a plan reimbursing 80 percent with a 500 dollar deductible comes back as a fraction of the total, and less again if part of the annual limit is already used. Worth knowing before you spend three weeks on an appeal you expect to win outright.

Sources, and what we did not verify

Checked on 8 October 2026. The NAIC Pet Insurance Model Act as adopted in August 2022, and the state statutes built on it — including Florida section 627.71545 and Washington RCW 48.205.050, which both place the burden of proof on the insurer for a pre-existing exclusion. Published state adoption lists for 2026, which agree on the named states and disagree on the total. Published consumer guidance on claims disputes, appeal windows, denial categories and the records an insurer relies on at first claim.

Where sources disagree, we say so. The number of states that have adopted model-act provisions is reported as 14 by some 2026 summaries and as 16 or more by others, because some count enacted statutes and others count states with implementing rules filed. We publish the lower figure and name the states, so you can check your own rather than take a headline. Appeal windows are not standardised at all — 30, 45 and 60 days all exist — which is why the tool above makes you read the figure off your own letter instead of defaulting silently to ours.

What we did not do. We are not lawyers, we are not insurers and we have not handled a claim. We have not tested any insurer’s appeals process, and we publish no reversal rates, because none exist for pet claims and an invented one would be worse than none. Waiting lists, statutes and insurer procedures change; the letter in your hand is the authority for the deadline.

Nothing on this page names an insurance company, on purpose. A page that ranks insurers is a page with a reason to rank them. Our commercial relationships are insurance-related, they live on the insurance pages, and they are labelled there. This page carries no commercial links at all.

What this page will not do. It will not tell you whether your denial was wrong — we cannot see your policy or your dog’s records, and anyone who tells you otherwise from a web page is guessing. It will not tell you to sue. And it will not tell you to cancel a policy you still need.

Not veterinary, legal or financial advice. DogDecide is not a veterinary practice, not an insurer, not a broker and not a law firm, and nothing here is a recommendation to buy, keep, cancel or sue over any product. Insurance disputes turn on your own policy wording and your own state’s law, and for those the authority is your policy document and your state insurance department. For your dog’s condition, your veterinarian is the only authority.

Two things to do in the next hour

  • Find the appeal deadline in the letter and put it in a calendar with an alarm — the tool above turns it into a date.
  • Email a written request for the specific record entries the denial relied on. That single question is what most appeals are decided on, and it is free to ask.
  • While you wait, and if the bill is already due: the funding routes run in parallel, not after.