Hey friends, Biscuit opens his benefits summary and sees “20% coinsurance” next to diagnostic tests. “Okay, I pay 20%.” But the row also says “after deductible” and points him to the laboratory-services section in another plan document. What does he need to check before that percentage means anything for him? This week, we’ll follow him through the documents to understand what they tell him, what they leave unanswered, and who can help. If you’ve ever opened your insurance paperwork and wondered where to start, you can follow the same steps with your own plan.- Tania
Hey there, We’re Shivang & Tania. Each week, we write in plain English (and some sass) about how health insurance works, why claims get denied, and how patients and healthcare teams can get paid or reimbursed. If you’re new here, we recommend you start with RCM 101: How Healthcare Gets Paid, Eventually, Maybe
TL;DR
When you have a benefits question, find the documents for your plan option and the relevant dates. The Summary of Benefits and Coverage (SBC) outlines benefits, costs, and important limitations. For employer plans covered by the Employee Retirement Income Security Act (ERISA), the Summary Plan Description (SPD) explains the plan in more detail. Other plan or policy documents ad applicable updates may supply additional terms; neither summary is a complete manual for every plan.Find the relevant category, read its conditions, and follow any reference you need to undertand the answer. You can ask for help locating or explaining the wording. Reading the documents is one way to become better informed, and it does not make you responsible for the clinic’s verification or authorization work.
In this issue, we cover:
What the SBC and SPD tell you about your plan.
Where to find your documents and check that you have the right version.
Why “20% coinsurance” is only part of Biscuit’s answer.
How to read the costs and conditions together.
Who to ask when a document leaves you with questions.
How patients, clinics, and labs can use this information.
Where to start, and who can help?
Get your plan documents.
If your insurance comes through work, ask your employer’s benefits contact for your SBC and how to get the SPD and updates, where applicable. If you bought your own coverage, ask your insurer for the SBC and full policy. Check that the documents match your plan and the dates you need.Look up your question.
Search for the service, such as “lab tests.” Read the whole row: the network, what you may pay, and any conditions. If it points to another section, read that too.Ask questions to understand your benefits.
If you haven’t asked these questions before, they’re a useful place to start. You can take a more active role in understanding your plan without figuring everything out yourself.Need your documents? Ask your employer’s benefits contact or your insurer: “Can you help me get the documents for my plan?”
Unsure what a passage means? Call member services at the number on your insurance card: “Can you explain this section and help me understand what it means for my situation?”
Have a question about a test your clinician ordered? Ask the clinic or lab: “Who can help me check the insurance requirements for this test? Is there anything you need from me?”
Keep track of what happens next.
Write down the answer, any reference number, and who is checking anything still unresolved.
Biscuit asks where to start
At a non-urgent follow-up, Dr. Singh mentions that lab work may be part of Biscuit’s care. The test and laboratory are still to be determined, but Biscuit wonders where he can find what his insurance says about testing.
“If I need lab work, where do I find what my plan says about it?” he asks Sage at the front desk.
“For the documents, try your employer’s benefits contact,” she says. “Once Dr. Singh decides what testing is appropriate, we can tell you who here handles questions about the insurance requirements.”
Biscuit takes her suggestion and emails the benefits contact at Juniper Lane Design: “Could you send me the benefits summary for the plan I’m enrolled in, and tell me how to get the fuller documents and any updates?”
The reply identifies his plan option, includes its current SBC, and explains how to request the SPD and updates.
He saves the reply and opens the summary to look for testing benefits. “20% coinsurance” catches his eye. “So I’d pay 20% for lab work,” he thinks, taking the percentage as the answer before he has read the conditions alongside it.

How to find and use your plan documents
1. Recognize what you’re opening
Your question may lead you through more than one document. The SBC gives you an overview, an SPD or other plan or policy document provides more detail, and an update may change something written earlier. Before assuming two passages disagree, check whether one is summarizing a benefit and another is explaining its conditions.
The SBC’s standardized format helps readers compare benefits, costs, and important limitations. Its coverage examples illustrate benefits rather than predict your bill. CMS explains the SBC’s contents and purpose.
Cost-sharing is your portion of covered healthcare costs. It may include a deductible, an amount you pay before specified benefits begin paying; a fixed copayment; or a percentage called coinsurance. Read the conditions alongside those amounts, including whether the deductible applies to that service. HealthCare.gov explains deductibles and these exceptions.
For an ERISA-covered employer plan, the SPD explains benefits and participants’ rights and responsibilities in more detail. It describes how the plan works and how to file a claim, helping you investigate details beyond the summary. The Department of Labor explains where to look.
ERISA generally applies to private-sector employer plans, with exceptions including government plans and most church plans. An SPD therefore won’t be part of everyone’s paperwork. DOL’s ERISA overview.
For individual coverage, including Marketplace coverage, look for the SBC and the insurer’s policy or other complete coverage documents. Either type of plan may have applicable updates or amendments. The document you need depends on both your plan and the question you’re trying to answer.

2. Find the right version and the right contact
For employer coverage, your enrollment materials, an available benefits portal, or HR’s benefits contact can help you identify the documents for your selected option. Biscuit asks his employer because he needs that starting point, rather than a summary for another BHC plan.
Here’s how the contacts fit together:
Your employer’s benefits contact can help identify your selected plan and locate its document-request contact.
The plan administrator is the person or entity formally designated to administer the employer plan, including its disclosure responsibilities. It may be different from the insurer named on your card.
Insurer member services can explain available benefit information or route questions to another team. The representative may not have authority to decide an individual claim or authorization request.
You can request an SBC directly from the insurer or group health plan. It must generally be supplied as soon as practicable, within seven business days. For Marketplace shopping on HealthCare.gov, SBCs are available through each plan’s details. CMS’s access guidance.
If a portal is unavailable, request the documents directly, including a paper copy if needed. For an ERISA plan, you can request a missing SPD in writing from the plan administrator. DOL’s participant guidance. Once you’ve found the documents, ask: “Do these apply to my plan option for this service date?” That matters especially for an older claim, because the newest file may describe the wrong period. If the first contact cannot confirm the dates, ask who can.

3. Use the documents to work through one question
Biscuit goes back to the diagnostic-test row in the SBC’s section about having a test. This time, he reads the network heading, the words after the percentage, and the limitations beside it.
Here is the sample wording for our story, invented to illustrate the search:
“Diagnostic tests: in-network, 20% coinsurance after deductible. Limitations: For additional requirements, see ‘Laboratory Services’ in your Summary Plan Description (SPD).”

The “in-network” heading tells Biscuit which benefit he is reading; he cannot assume the same percentage applies outside that network. The words “after deductible” also change his first reading. For a service subject to that deductible, he pays the applicable allowed costs until it is met. The 20% then refers to his share of the plan’s allowed amount for the covered service, often a negotiated rate for in-network care. HealthCare.gov explains coinsurance and the allowed amount.
To see how that works, assume a covered, in-network service has a $200 allowed amount, the applicable deductible is already met, the member has not reached the out-of-pocket limit, and there are no other charges or special rules. At 20% coinsurance, the member’s share would be $40 and the plan’s share $160. These assumed figures show how the calculation works. Biscuit’s actual costs will depend on his service and plan details.

The complete row has changed what Biscuit understands about the benefit. He now follows the limitations column’s reference to find the laboratory-services conditions. He requests the SPD through the contact his benefits office supplied. When it arrives, he looks through the contents for laboratory services, then searches for “laboratory” to locate the section.
Here is the invented SPD wording for our story, provided only as an illustration:
“Laboratory services are subject to the plan’s limitations and exclusions. Some services require prior authorization. See the prior-authorization section for instructions on checking applicable requirements.”
Biscuit reads the paragraph around the search result. It tells him that the category in the summary has conditions, including possible prior authorization, which means approval a plan may require before a service. It does not tell him that his future test requires authorization or establish that the test will be covered.
He follows the reference to the prior-authorization section. In this illustration, that section directs readers to member services for information about the applicable requirements. Biscuit now has a specific place to start his question: “The laboratory section refers me here. Can you help me find the requirements it refers to and explain what information is needed to check a particular service?”
Biscuit keeps the section title with his question so member services can locate the passage. Neither the SBC nor the SPD tells him his current remaining deductible; he can ask member services for the balance in the plan’s records, which may change before future care. If the referenced requirements are unavailable, he can request the material or ask where to obtain it. The insurer may need the eventual test and laboratory details to clarify which requirements apply, and the clinic’s team can help as those details become available.
4. Follow the trail without taking on every job
For ERISA plans, a Summary of Material Modifications, or SMM, explains certain plan changes. An older SPD may still need to be read with its applicable updates. Ask the plan administrator: “Are there changes I should read with this document for the period I’m asking about?” DOL explains plan documents and updates.
For individual coverage, ask the insurer for the applicable policy and amendments or change notices. If a document references an unavailable procedure, give the contact its title or section and request the referenced information or a route to clarification.
CMS cautions that the SBC is a summary; the applicable plan document, policy, certificate, or insurance contract controls coverage. CMS’s SBC overview. If passages still appear inconsistent after checking their scope and dates, ask the plan administrator or insurer, as appropriate, to explain which terms apply. Ask them to point to the relevant section and explain how it fits with the other document.
The person handling benefits or authorization questions for the clinic or laboratory may be able to investigate a service-specific requirement using the available order and plan information. Who does this, and who submits any request, depends on the organization and arrangement. Investigation or submission cannot guarantee approval or payment.
Why it matters
Here is my view: a useful explanation should help a patient catch an assumption before building a decision around it. Biscuit’s document search shows him why “20%” was only part of the answer and gives him specific questions he can take to the people able to address them.
A specific passage also gives provider, laboratory, and reimbursement teams a starting point when asking which requirement applies to an ordered service.
Responsibilities vary: one person may handle several tasks, or an organization may separate benefits verification, authorization, and billing. Our recommendation is to help the patient understand who can answer the remaining question and what information is still needed.
The Monday morning move
For clinic, laboratory, and reimbursement teams, try these three actions with one unresolved, nonurgent benefits question. Use the person responsible for this work in your organization; it does not require a dedicated team or a new task for the front desk.
Confirm the plan and record what has been verified: Start with the selected plan option, relevant date, and available service details. Keep patient-specific information, such as a remaining deductible reported by the plan, with its source and date. Ask the ordering team for missing clinical details rather than guessing. Preliminary inquiries can begin with available information; checking a particular requirement may need more.
Read the written benefit terms and identify unanswered service questions: Check the network column, deductible applicability, and copay or percentage, then follow any additional-conditions reference. Using an authorized contact route, ask the insurer which plan section or policy applies to the service. Keep the wording and applicable dates, and mark requirements that still need verification. If the source is unavailable, request an explanation or a contact who can clarify it. Help patients locate participant-document request routes without assuming staff have the same access.
Explain the three parts to the patient. Describe what the documents say, what has been verified for this patient, and which service-specific requirements remain unverified: Explain a percentage together with the applicable network and deductible. Name who will check the remaining questions or submit any needed request under the clinic or laboratory arrangement. Record the response and any reference number. An explanation of benefit terms is not an approval or payment decision.
What patients should know
If you’d like to look through your benefits yourself, ask your employer’s benefits contact or insurer for the SBC for your plan option and relevant dates. You can request it directly, on paper if helpful, without using a portal. Member services can also help you work through these steps.
Find the service row: Look for the category you’re asking about, such as diagnostic testing. If you cannot locate it, ask member services which section to read.
Read the network and cost-sharing together: Ask: “Does the deductible apply? What copay or percentage follows?” Check which network column you are reading before applying its terms to your question.
Follow the additional-conditions reference: Ask: “What additional condition or reference needs checking?” Open the section it names in your SPD, where applicable, or other plan or policy document. If it is missing or unclear, give member services the reference and ask for help finding or explaining it.
Write down what was answered and what you still need: For example: “I found the in-network percentage and when it applies. I still need my current deductible balance and clarification of the requirements for the particular service.” Keep the relevant section title with those questions. Member services can address the plan information, while the clinic’s benefits contact can help with questions requiring service details.
A final bill or payment decision still depends on the particular service and circumstances.
Back to Biscuit
Biscuit began with “I’ll pay 20% for lab work.” Now he understands that the row describes an in-network benefit, with the percentage applied to the allowed amount after the applicable deductible is met. The SPD’s laboratory section also points to conditions that may need checking. Reading the complete row and following its reference corrected his first impression.
He still does not know his current deductible balance or which requirements will apply to the eventual test and laboratory. He can ask BHC member services for the balance in its records and the requirements referenced by the SPD; the clinic’s team can help investigate the service-specific questions as details become available. Those answers would help him understand how the written terms relate to his situation. The document search itself has not established coverage, a need for authorization, approval, or payment.
Until next time
Next issue, we’ll take on what “covered” actually means. For now, which plan-document question has been hardest to untangle? Please leave out personal medical details and identifying information.
That’s it for this issue. Hit reply.
I read everything.
Sources
HealthCare.gov: Coinsurance, Allowed amount, and Deductible — Percentage basis, deductible sequence, and the illustrative calculation.
CMS: Understanding the Summary of Benefits and Coverage, April 2026 — SBC purpose, contents, access, request timing, and Marketplace location.
CMS: Summary of Benefits and Coverage Overview, April 2026 — Summary limitations and complete coverage terms.
U.S. Department of Labor: ERISA — Employer-plan applicability and exceptions.
U.S. Department of Labor: Plan Information — SPD contents, written requests to the plan administrator, and plan updates.
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