How to appeal a denied health insurance claim in Connecticut

In Connecticut, with most private health plans, you have 180 days from getting the denial notice to file an internal appeal, and urgent cases must be decided within 72 hours. If the plan still says no, you can ask for an independent external review within 4 months, and the plan must follow the reviewer's decision. For free help, contact the Connecticut Insurance Department.

Checked 27 September 2026 against HealthCare.gov, the US Department of Labor, Medicare.gov, Medicaid.gov and Connecticut Insurance Department

Free help in Connecticut

Connecticut Insurance Department

Connecticut's Office of the Healthcare Advocate also helps with appeals for free: portal.ct.gov/oha.

Medicaid: Connecticut Medicaid agency and contacts

Private health plans in Connecticut: internal appeal and external review

Your plan must review its decision, and if it still says no, an independent reviewer can decide instead.

  1. Read the denial notice. It must say why the claim was denied and how to appeal.
  2. File an internal appeal with your plan within 180 days of getting the notice. Ask your doctor for a letter explaining why the care is needed.
  3. If the internal appeal is denied, ask for an external review by an independent reviewer within 4 months of that final denial. Your plan must accept the reviewer's decision.
  4. If your situation is urgent, ask for an expedited appeal. You can ask for an urgent external review at the same time as the internal appeal.
StepFile withinDecision due
Internal appeal180 days from when you got the denial notice30 days for care you have not had yet, 60 days for care you already had, 72 hours if urgent
External review4 months from the final internal denial45 days standard, 72 hours or sooner if urgent

Grandfathered plans (in place since before March 2010 and not changed much) and short-term plans may not have to follow these appeal rules. Your plan documents say if yours is grandfathered.

Which kind of plan do you have?

Marketplace or individual plan (HealthCare.gov, state exchange or bought directly)These plans are regulated by your state, so your state insurance department oversees appeals and external review.
Job-based plan bought from an insurer (fully insured)Your employer bought this plan from an insurer, so your state insurance department regulates the insurer and oversees external review.
Job-based plan your employer pays for itself (self-funded, ERISA)Self-funded job-based plans are covered by federal law (ERISA), so the US Department of Labor, not your state, oversees them. External review is usually run by independent review organizations the plan contracts with, or a federal process.

After the plan's appeals, ERISA gives you the right to go to court to recover benefits due under the plan (ERISA section 502(a)). Plans must give you, free of charge, copies of documents relevant to your claim.

Where to get free help in Connecticut

Medicaid and CHIP in Connecticut

With Medicaid in Connecticut, you have the right to a state fair hearing. If you are in a Medicaid plan, appeal to the plan first within 60 days of the notice, and to keep a current service going, ask within 10 days. Your state Medicaid agency or local legal aid can help for free.

  1. If you are in a Medicaid managed care plan, appeal to the plan first within 60 days of the date on the notice. The plan decides within 30 days, or 72 hours if urgent.
  2. If the plan still says no, ask for a state fair hearing. States give between 90 and 120 days from the plan's decision.
  3. If you are not in a managed care plan, ask the state for a fair hearing directly. States allow up to 90 days from the date the notice was mailed, and some allow less, so check your notice.
  4. To keep a current service going during the appeal, ask within 10 days of the notice, or before the change takes effect, whichever is later.
StepFile withinDecision due
Managed care plan appeal60 days from the date on the notice30 days, or 72 hours if urgent
State fair hearing after a plan appeal90 to 120 days from the plan's decision, set by your state
State fair hearing without a planup to 90 days from the date the notice was mailed, set by your state
Keep services during the appeal10 days from the notice, or before the change takes effect, whichever is later

Free help:

Medicare in Connecticut

Free help:

Quick answers

How long do I have to appeal a health insurance denial in Connecticut?
You have 180 days from getting the denial notice to file an internal appeal. The plan decides within 30 days for care you haven't had, 60 days for care you've had, or 72 hours if urgent. After a final denial, you have 4 months to ask for an external review. Check the date on your own notice.
Who can help me appeal for free in Connecticut?
Connecticut Insurance Department: https://portal.ct.gov/cid Connecticut's Office of the Healthcare Advocate also helps with appeals for free: portal.ct.gov/oha.
How do I appeal a Medicaid denial in Connecticut?
With Medicaid in Connecticut, you have the right to a state fair hearing. If you are in a Medicaid plan, appeal to the plan first within 60 days of the notice, and to keep a current service going, ask within 10 days. Your state Medicaid agency or local legal aid can help for free.
How do I appeal a Medicare denial in Connecticut?
With Original Medicare in Connecticut, start by asking for a redetermination by the date on your Medicare Summary Notice, generally 120 days from when you get it. There are five appeal levels in all, and each decision letter explains the next step. Your State Health Insurance Assistance Program gives free one-to-one help.

General information, not legal or medical advice. Rules differ by plan and state, so check the dates and instructions on your own denial notice, and talk to your doctor about the medical side. Free help is available from your state and the contacts listed.

Sources

Ask Appeal My Claim yourself

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