Health Insurance External Review: What to Do After Appeal Denial
Check the external-review gate
External review is independent, but not every denial or plan follows the same process.
Eligible issue
Some medical-judgment and coverage disputes can qualify.
If it does not fit: Use the final internal notice to confirm eligibility.
Correct reviewer
The route may be state, federal, or plan-specific.
If it does not fit: Use the official form and address named in the notice.
Complete record
The reviewer needs the internal decision and focused support.
If it does not fit: Send the denial, appeal, plan terms, and key clinical proof.
Check whether the issue qualifies
HealthCare.gov describes external review for denials involving medical judgment, experimental or investigational treatment, and certain coverage rescissions. Eligibility can depend on plan type and jurisdiction.
A dispute about a benefit that the plan plainly excludes may follow a different route. Ask the administrator to identify the review provision rather than selecting a process from a generic form.
Start with the final internal decision and identify the issue reviewed, the plan terms cited, and the external-review instructions. Separate a clinical judgment from an eligibility, benefit-design, or administrative dispute because the available route can differ. If the notice is unclear, ask the plan or official assistance channel which process governs before sending medical records to the wrong reviewer.
Confirm that the plan's internal process is complete by checking the internal claim-appeal stages.
Find the correct reviewer
Read the final internal denial for the state, HHS-administered federal or plan-contracted process and its contact details. Self-funded employer plans can require special attention to the plan documents and Department of Labor guidance.
Use the official form and address. Keep a complete copy and proof of on-time delivery.
Confirm the destination from the notice or official process and record who administers the review, what form is required, who may act as an authorized representative, and how urgent requests are made. Do not assume the insurer receives the external request directly. A packet sent to the wrong organization can consume time without placing the issue before the independent reviewer.
Build the external packet
Include the final denial, internal appeal, relevant plan terms, clinical records, provider letter and a concise explanation of the disputed medical judgment. Highlight new evidence rather than silently adding it.
Ask the clinician to address the exact criterion and consequences of delay. Avoid unsupported conclusions or copied legal language that does not fit the medical record.
Build the external packet as a review record, not a new pile of documents. Include the final internal decision, the relevant plan language, the evidence already submitted, the internal appeal, the plan's response, and any genuinely new material. Add a short index showing which document answers each disputed clinical or factual point. Keep originals and proof of delivery.
Control versions and proof of delivery with the appeal-file record system.
Confirm eligibility before rebuilding the packet
- External review is not available for every kind of denial.
- The final internal decision should identify the applicable process.
- Urgent cases can have an expedited path.
Use the urgent route when necessary
HealthCare.gov says urgent situations may allow external review before internal processes finish and describes faster decision standards. Ask immediately if the standard timeline would seriously jeopardize health or recovery.
Do not delay medically necessary emergency care to perfect a paperwork packet. Contact the plan, treating team and official assistance program at the same time.
Official external review instructions
Use these official sources to verify the general rules. They cannot resolve the facts of an individual case.
Sources last reviewed October 20, 2026.
External review filing check
- Read the final denial's review instructions
- Confirm the denial type is eligible
- Identify the correct state, federal or plan process
- Attach the complete internal record
- Request expedited review if the medical standard is met
Questions about external review
Does the insurer decide an external review?
An independent third party reviews the eligible issue, and the plan must accept the review result under the applicable process.
What is the filing deadline?
HealthCare.gov describes a four-month federal standard, but use the exact deadline in your final notice because the governing process may differ.
Can my doctor file for me?
An authorized representative may often help or file, subject to the process's authorization requirements.