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Why was my health insurance claim rejected? What MOH data reveals

Financial Literacy 101: Here are 5 common reasons why insurers may reject or not pay for Integrated Shield plan claims

27 Aug 2026
4 mins 25 secs
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Why was my health insurance claim rejected? What MOH data reveals

What this article covers

  • What MOH’s Integrated Shield Plan (IP) claims data actually shows. Understand why 69% of the claims in its no-payout data were at or below the deductible, and why this does not necessarily mean that the insurer rejected them.
  • The five main reasons a claim may produce no payout. These include deductibles, general exclusions, pre-existing illnesses, payments already made by another party and policy limits that have been reached.
  • How to understand what happened to your own claim. Learn how to tell the difference between a declined claim, a zero payout, a partial payment, a request for more information and a claim that must be resubmitted.
  • The practical steps to take next. Find out what to ask your insurer, which documents and policy terms to review, how to request an internal reassessment and where to turn if the dispute remains unresolved.

For most of us, receiving no insurance payout can be alarming, especially when a large medical bill is involved.

A common assumption is that our insurer has rejected the claim. However, a claim can produce no payout for several reasons, and some actually have little to do with whether the treatment was medically necessary or whether the claim was submitted correctly.

Why some health claims did not result in a payout

Data published by the Ministry of Health (MOH), which cuts across Integrated Shield Plan (IP) claims for all insurers, offer a clearer picture.

The figures below come with several important qualifications.

  1. They refer to the additional private insurance portion of the main IP, rather than MediShield Life on its own.
  2. They exclude claims that were returned because of errors that required resubmission.
  3. They also only show cases where the main IP made no payout, even if the policyholder received a payout from their IP rider.

Explore the MOH figures

Common reasons why insurers may reject or not pay for claims

Choose a figure to see what may have happened, what the insurance term means and what the policyholder should check next.

69%

The bill did not cross the amount the policyholder had to pay first

Your IP may make no payout if your claim has not exceeded your deductible, but you still receive a payment if you have a rider, depending on the rider’s coverage and terms.

The insurance term: deductible - the initial portion of an eligible bill that the policyholder must pay before the main insurance plan begins paying.

A simple example

Assessed bill: S$2,500
Deductible: S$3,500
Private insurance payout: S$0

What to ask your insurer

“Please show me the assessed bill amount, the deductible that applied, and whether MediShield Life or my rider made a separate payment.”

20%

The policy did not cover that treatment or situation

Conditions caused by drug addiction and alcoholism are some examples of general exclusions, according to the MOH website. Your insurer should be able to identify the exact exclusion used to assess your claim. Do not rely only on a verbal explanation. Ask for the reason and relevant policy wording in writing.

The insurance term: general exclusion - a situation, treatment or expense that the policy contract states it will not cover.

What to check
  • The exact clause used
  • Whether it affected the whole claim or only certain charges
What to ask your insurer

“Please show me the exact policy wording used and explain how it applies to my treatment or bill.”

8%

The condition existed before the private cover began

MediShield Life covers you for life, including for pre-existing conditions. But you may not be covered under your private insurance, depending on the underwriting terms and exclusions applied when the policy was issued.

The insurance term: pre-existing condition - any physical or mental illness, injury, or medical issue that you have before you apply for a new health or travel insurance policy.

What to check
  • Which part of the plan made no payout
  • Where the personal exclusion appears in the policy schedule
What to ask your insurer

“Please confirm whether MediShield Life paid, which private policy term was applied and where it appears in my policy schedule.”

1%

Another party had already paid the full amount that could be claimed

This could be an employer medical plan or another insurer. There may have been no remaining expense for the private plan to reimburse.

What to check
  • The total amount treated as claimable
  • The payment recorded from the other party
What to ask your insurer

“Please show me how much was treated as claimable, how much another party paid and whether any amount remained unpaid.”

1%

The maximum claim limit has been reached

Some policies have monthly, annual, or lifetime limits. When the relevant limit has already been reached, a new claim may produce no further payout.

The insurance term: claim limit - the maximum amount of money an insurance company will pay out for a covered loss.

What to check
  • Which limit was reached
  • Which earlier claims were counted towards it
What to ask your insurer

“Please show me the limit that was reached, the claims counted towards it and whether that limit resets.”

All figures are rounded to the nearest percentage and relate to the additional private insurance portion of an Integrated Shield Plan. MediShield Life or a rider may have a different claim outcome.

Why it is important to check your claim status

Sometimes, a claim submission that receives no payout does not automatically mean a rejection. The wording used by your insurer matters. A claim may have one of several statuses:

Common claim messages

What did your insurer say?

Choose the message closest to what the insurer told you. The guide will show the three most useful next steps and a question you can send.

Nothing will be paid

Find out why the payout is S$0

A zero payout does not always mean the claim was rejected. It could be because of the deductible, another payer or a claim limit.

  1. Ask for the reason and calculation in writing.
  2. Check whether the bill was below the amount you pay first, another party paid it or a limit was reached.
  3. Ask whether MediShield Life or a rider made a separate payment.
A question you can send

“Please explain why the payout is S$0 and show me how it was calculated, including any payment from MediShield Life or my rider.”

Your claim was rejected

Ask for the exact policy reason

The insurer should be able to point to the part of the policy used to make its decision.

  1. Ask for the decision and exact policy wording in writing.
  2. Compare it with the policy contract and your personal policy schedule.
  3. Send relevant missing evidence with a clear request for a review.
A question you can send

“Please show me the exact policy wording used to reject my claim and explain how it applies to my situation.”

We need more documents

Your claim may still be under review

A request for documents is not the same as a rejection. Your insurer is likely waiting for medical records, receipts or other evidence.

  1. Ask for one complete list of everything still missing.
  2. Check who must provide each item and whether there is a deadline or fee.
  3. Keep the acknowledgement after submitting the documents.

A question you can send

“Please confirm every document still needed, who should provide it and when my claim will be reviewed after you receive it.”

Only part is covered

Ask for a line-by-line breakdown

Some charges may be covered while others are reduced or left out.

  1. Request a breakdown showing which charges were covered and which were not.
  2. Ask why each unpaid charge was reduced or excluded.
  3. Check the amount you pay first, your share of the bill and any rider payment.

A question you can send

“Please give me a line-by-line breakdown of the bill and explain why each unpaid amount was not covered.”

Please correct and resubmit

Correct the claim before treating it as rejected

The insurer may be unable to assess the claim until an error or missing field is fixed.

  1. Ask exactly what is wrong or missing.
  2. Confirm whether you, the hospital or another party must correct it.
  3. Resubmit by the stated deadline and keep the new acknowledgement.

A question you can send

“Please tell me exactly what must be corrected, who needs to do it and the deadline for resubmission.”

This guide explains common claim outcomes. It does not determine whether an individual claim should be paid.

What to do when your claim is not paid

1. Obtain the decision in writing

Ask your insurer to confirm:

  • the status of the claim
  • the reason no payout was made
  • the benefit that was assessed
  • the policy clause or exclusion applied
  • how the payable amount was calculated
  • whether any further information is required

A written response gives you something specific to review and respond to.

2. Check which part of the plan was assessed

For an IP claim, establish whether the outcome relates to:

  • MediShield Life
  • the additional private insurance component
  • the rider
  • more than one of these components

A single hospital bill can produce different outcomes under each layer of coverage.

3. Review the policy schedule and contract

Look beyond the product brochure.

Gather:

  • the main policy contract
  • the policy schedule
  • rider documents
  • endorsements or amendments
  • the insurer’s claim letter
  • the hospital bill and claim breakdown

The policy schedule may contain personal exclusions or special terms specific to the policyholder.

4. Compare your insurer’s reason with the MOH categories

Use the stated reason to identify what to examine next.

  • When the bill was below the deductible, check the calculation.
  • When an exclusion was applied, ask for the exact clause.
  • When a pre-existing condition was cited, check which component of the IP was affected.
  • When a limit was reached, ask for the claims history used to calculate the remaining benefit.

5. Gather evidence that addresses the reason

Do not simply resubmit the same documents.

Provide evidence that relates directly to your insurer’s explanation. This might include:

  • a doctor’s report clarifying the diagnosis or when symptoms began
  • earlier medical records
  • proof of premium payment
  • an itemised hospital bill
  • receipts and payment records
  • correspondence with another insurer or employer
  • the original insurance application and health declaration

Keep copies of everything submitted and note the date of submission.

6. Request an internal review

When asking your insurer to reconsider its decision, state clearly:

  • which part of the decision you disagree with
  • why you believe the policy clause may not apply
  • what additional evidence you are providing
  • what clarification or outcome you are seeking

Keep the request factual and focused on the policy terms.

Speaking to your financial representative is also important. He/she could help retrieve policy documents, explain the claims process and follow up with your insurer. Nevertheless, your insurer remains responsible for assessing and deciding the claim.

7. Escalate the dispute when necessary

Give the insurer an opportunity to investigate the complaint and provide its final response.

If the dispute remains unresolved, eligible consumers may approach the Financial Industry Disputes Resolution Centre, or FIDReC. Consumers must first approach the financial institution and generally file with FIDReC within six months of receiving its final reply.

Useful documents for an insurance dispute may include the policy contract and schedule, correspondence with the insurer, bills, invoices, receipts and medical reports.

For an IP dispute involving clinical questions, such as whether a treatment was medically appropriate, the Clinical Claims Resolution Process may also be relevant. MOH describes it as a voluntary avenue for clinically related IP disputes. The parties should first attempt to resolve the matter directly.

Frequently asked questions

Does no insurance payout mean my claim was rejected?

Not necessarily. The claim may have been assessed, but the amount could have been at or below the deductible. Another payer might also have covered the expense, or a claim limit may have been reached.

Why did my IP not pay when I was hospitalised?

Hospitalisation alone does not guarantee a payout. The eligible claim amount must satisfy the policy terms and may be affected by the deductible, exclusions, claim limits and payments from other sources.

Can MediShield Life pay when the private insurer does not?

Yes. MediShield Life and the additional private insurance portion are separate components of an Integrated Shield Plan. MediShield Life covers pre-existing conditions, although the additional private insurance portion may apply exclusions.

Does a request for medical records mean the claim has been rejected?

No. It may mean that the insurer requires more information before completing its assessment.

How long do I have to approach FIDReC?

A consumer should generally file with FIDReC within six months of receiving the financial institution’s final reply. The consumer must first give the financial institution an opportunity to resolve the dispute.

Written by: Great Eastern Lifepedia team

GREAT SupremeHealth | MediSave-Approved Integrated Shield Plan
GREAT SupremeHealth | MediSave-Approved Integrated Shield Plan

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