Pet Insurance for a Dog With Degenerative Myelopathy: Is It Worth It?

For a dog already diagnosed with degenerative myelopathy, pet insurance often costs more in premiums than it will ever pay back — and no one benefits from dancing around that fact.

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Last reviewed: 2026-07-19

How Does DM Show Up on a Pet Insurance Policy?

Degenerative myelopathy is most accurately classified as a hereditary neurological condition, but different insurers frame it differently — and that framing determines what gets covered and what gets excluded.

Here are the three frameworks you’ll encounter:

• Hereditary condition: Most policies that cover hereditary and congenital conditions will include DM in that umbrella, provided it is not pre-existing at enrollment. This is the most common framing among major providers.
• Neurological condition: Some policies categorize DM under neurological illness coverage. This usually still means coverage when not pre-existing, but the waiting period structure may differ from the hereditary track.
• Chronic/progressive condition: This framing is the most problematic. A few providers distinguish between “curable” and “incurable” pre-existing conditions. DM is incurable and progressive. Under policies that apply a stricter definition to chronic progressive conditions, even a dog that was previously symptom-free may find future DM-related claims challenged.

One structural detail worth knowing: Nationwide treats hereditary condition coverage as a paid add-on, not a standard inclusion. If you have a Nationwide base policy without the hereditary rider, DM coverage simply does not exist in that plan regardless of when symptoms began.

The term “degenerative myelopathy” rarely appears by name in policy documents. When you are reading a sample policy, search instead for “hereditary,” “neurological,” “chronic,” and “progressive” — those are the terms that govern whether DM claims will be paid.

For a broader look at how providers handle hereditary and neurological conditions across both DM and IVDD, the pet insurance spinal conditions guide walks through the full provider landscape.

The Genetic Testing Question: Is an At-Risk SOD1 Result “Pre-Existing”?

This is one of the most important — and most poorly documented — questions in pet insurance for DM-prone breeds, and the honest answer is that no provider clearly addresses it in publicly available policy language.

The University of Missouri College of Veterinary Medicine characterized the SOD1 mutation behind canine DM. A dog can carry two copies of the SOD1 mutation (homozygous at-risk) and never develop clinical DM in its lifetime. Many owners of corgis, German Shepherds, Boxers, and other at-risk breeds have done genetic testing before any symptoms appeared — which is responsible and useful for breeding decisions. But that test result is now in the dog’s medical record.

What happens when you try to enroll that dog in pet insurance?

• Some providers may treat an at-risk SOD1 result as evidence of a pre-existing condition, even without clinical signs, on the theory that the underlying genetic predisposition is already documented.
• Other providers require actual clinical symptoms before applying a pre-existing condition exclusion — the genetic test result alone would not trigger exclusion.
• No major provider clearly states their position on this in publicly available policy language as of this review.

The practical guidance: if your dog has had SOD1 testing and showed at-risk results, ask the prospective insurer directly — in writing, via email — how they handle that scenario before you enroll. “In writing” matters because a verbal phone assurance is not binding. The SOD1 genetic test explainer on this site walks through what those results actually mean clinically.

What Do DM Claims Actually Look Like?

Understanding what DM care actually costs — and which parts of it insurance might touch — is essential to evaluating whether a policy makes financial sense.

DM progresses in stages, and the care costs shift as the disease advances. The DM cost breakdown covers the full picture, but here is how those costs map to insurance coverage:

Typically covered under a standard illness plan (when DM is not pre-existing):

• Diagnostic workup: MRI, spinal fluid analysis, neurologist consultation, and bloodwork to rule out other conditions are generally covered as illness costs
• Prescription medications: Any medications prescribed as part of DM management typically fall under illness coverage
• Veterinary visits: Routine monitoring appointments with your vet or veterinary neurologist

Coverage varies widely by provider:

• Physical therapy and hydrotherapy: Some policies include rehabilitation as standard; others require a rider or add-on. Trupanion, for example, offers a Recovery and Complementary Care rider that covers rehabilitation and hydrotherapy at 90%. Lemonade treats physical therapy as an add-on rather than a standard inclusion. Check the base policy carefully.
• Acupuncture: Similar variation. Some providers include it; others exclude it or require an add-on.

Rarely or never covered under standard illness plans:

• Wheelchairs and mobility carts: Standard illness plans generally do not cover durable medical equipment like dog wheelchairs. Some providers — Trupanion and its State Farm-branded product specifically name “prosthetic devices and carts” in marketing language — but verify this in the actual policy document before counting on it.
• Support harnesses and slings: Equipment like rear-support harnesses is generally considered durable equipment, not a medical treatment, and is not typically reimbursable.
• Incontinence supplies: Belly bands, diapers, and absorbent bedding are out-of-pocket costs in virtually all standard illness policies.
• End-of-life care: In-home euthanasia and hospice-style comfort care costs are inconsistently covered. Ask specifically.

The Honest Math: Already Diagnosed vs. At-Risk With No Symptoms

This is where the question “is it worth it?” has two genuinely different answers depending on where your dog is in the DM picture.

If Your Dog Already Has a DM Diagnosis

For a dog already diagnosed with DM, pet insurance for DM-related costs is almost certainly not worth pursuing. Here is why:

DM will be documented in your dog’s veterinary records. Any new policy will exclude it as a pre-existing condition. The ongoing costs that define DM care — mobility support equipment, incontinence supplies, frequent rehab sessions, and eventually end-of-life care — are either excluded by the pre-existing condition clause or not covered by standard illness plans in the first place.

What you would be paying premiums for is coverage of unrelated future conditions. For a dog who may have a shorter life expectancy due to DM progression, the probability of a large unrelated claim within the remaining policy period is lower than it would be for a healthy dog. The math rarely works in the owner’s favor.

There is one exception worth naming: if your dog is otherwise young, is in an early stage of DM, and has a realistic prospect of several more healthy years with DM-related care being manageable, a policy might make sense for genuinely unrelated conditions — a broken bone, a gastrointestinal emergency, a cancer diagnosis that has nothing to do with DM. But you would need to go in clear-eyed that DM itself is not covered, and weigh the monthly premium against that narrower benefit.

If Your Dog Is an At-Risk Breed With No Symptoms

The calculus is meaningfully different here. If you have a young corgi, German Shepherd, Boxer, Rhodesian Ridgeback, or other DM-prone breed with no symptoms and no documented clinical findings, enrolling before any signs appear gives DM a chance to be covered as a non-pre-existing hereditary condition.

The things to verify before enrolling:

For a young at-risk dog, enrolling in a plan that covers hereditary neurological conditions — with rehab included or available as a rider — is a defensible financial decision. The expected value is harder to calculate precisely, because DM may never develop, but the downside risk of a DM diagnosis without any coverage is substantial.

Alternatives Worth Knowing About

If insurance is off the table — or clearly not worth it for your dog’s situation — these are the alternatives that DM caregivers most commonly rely on:

• Dedicated DM savings fund: A separate savings account earmarked for DM care gives you liquidity and flexibility without premium overhead. The DM cost breakdown can help you estimate what to set aside at each stage.
• Equipment rental and resale communities: Dog wheelchairs are expensive new but frequently resold by families who no longer need them. Facebook groups specifically for DM dogs and disabled dog owners are active marketplaces for lightly used carts, harnesses, and slings. A cart that costs $500–$700 new can often be found for $150–$250 used.
• Nonprofit assistance programs: Several organizations offer grants or low-cost equipment loans to owners of disabled dogs. The IVDD emergency funding guide covers many of these programs; most are not IVDD-specific and will assist DM families as well.
• Veterinary payment plans: CareCredit and ScratchPay are widely accepted at specialty veterinary practices and can help manage the timing of large diagnostic bills. They are financing tools, not assistance programs, but for a large upfront diagnostic cost they can be useful.
• Veterinary school teaching hospitals: If you live near a veterinary school, their neurology departments often offer services at reduced cost. Rehabilitation services at teaching hospitals can be significantly less expensive than private specialty practices.

How to Read a Policy Specifically for DM Concerns

If you are evaluating a policy for a DM-prone breed, here are the specific things to look for in the sample policy document — not the marketing page:

1. Search for “hereditary” — confirm it is included in the base plan, not just available as an add-on
2. Search for “neurological” — check whether there is a separate waiting period for neurological conditions versus general illness
3. Search for “chronic” and “progressive” — understand how the policy defines and treats chronic progressive conditions
4. Search for “pre-existing” — read the full definition, including whether “clinical signs” or “diagnosis” is the trigger
5. Search for “rehabilitation,” “physical therapy,” and “hydrotherapy” — confirm whether these are standard or add-on
6. Search for “prosthetic,” “cart,” and “orthotic” — this is where wheelchair coverage would appear if it exists
7. Look for the definition of “incurable” pre-existing conditions and confirm how they are handled at renewal

The honest closing on insurance for DM dogs: for a dog already showing symptoms, insurance is almost never the right tool for the DM costs themselves, and no amount of optimistic framing changes that math. For an at-risk breed with no symptoms yet, enrolling early in a policy with genuine hereditary and rehab coverage may make sense — but only if you read the actual policy document, ask the right questions about genetic testing status, and go in understanding that “hereditary coverage” does not automatically mean every DM-related cost will be reimbursed.

You deserve an honest answer to this question, not a sales pitch. If the honest answer for your dog is that insurance is not worth it right now, that is a useful thing to know — and it lets you put your energy and your money toward the things that will actually help.

Related Reading

• DM vs IVDD: How to Tell the Difference (DM Owner’s Angle)
• The Cost of DM Care: What You’ll Actually Spend
• Pet Insurance for Dogs with Spinal Conditions: What Actually Varies Between Providers

Frequently Asked Questions

Is degenerative myelopathy covered by pet insurance?

Most policies with hereditary condition coverage will include DM when it is not pre-existing at enrollment. However, the term “degenerative myelopathy” rarely appears in policy documents — it usually falls under hereditary neurological conditions. Nationwide requires hereditary coverage as a paid add-on rather than including it in the base plan.

Does a positive SOD1 genetic test count as a pre-existing condition?

This is genuinely unclear and varies by provider. Some insurers may treat an at-risk SOD1 result as evidence of a pre-existing condition; others require actual clinical symptoms before applying the exclusion. Before enrolling, ask the provider in writing how they handle at-risk genetic test results for DM.

What DM costs are typically covered by pet insurance?

Diagnostic workup, prescription medications, and veterinary visits are generally covered under standard illness plans when DM is not pre-existing. Physical therapy and hydrotherapy vary widely — some providers include it in the base policy, others make it an add-on. Mobility equipment like wheelchairs and harnesses is usually not covered under standard illness plans, though some providers specifically name “prosthetic devices and carts” in their marketing.

If my dog is already diagnosed with DM, should I still get pet insurance?

For the DM itself, almost certainly not — the condition will be excluded as pre-existing, and premiums paid over the months to years of a DM progression will likely exceed any non-DM claims reimbursed. For a dog that is otherwise young and healthy, a policy might still make financial sense for covering unrelated future conditions. Only you can weigh that math for your situation.

This article is not financial or veterinary advice. Pet insurance policy terms change frequently and vary by state. Always read the current policy document — not just the marketing page — before enrolling, and consult your veterinarian about your dog’s specific diagnosis and care needs.

This guide is based on real experience and should be used alongside professional veterinary care. Always consult your veterinarian before starting any new treatment or making changes to your dog’s care plan.