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Insurance & Appeals

Roadmap Overview Insurance & Appeals Assistance & Resources FAQs

This Section Helps You:

  • Understand how insurance coverage for thickener works.

  • Check whether your insurance covers thickener.

  • Submit a coverage request.

  • Understand possible coverage decisions and next steps.

  • Navigate the appeals process if coverage is denied.

Understand Insurance Coverage

Insurance Coverage Basics

  • Insurance coverage for thickener varies by state and insurance plan. Families may have coverage through Medicaid or private insurance.

  • When thickener is covered, it is typically processed under either the Durable Medical Equipment (DME) benefit or the Pharmacy benefit.

  • Thickener is commonly billed using HCPCS code B4100 (oral food thickener).

Review Your Insurance Coverage

Obtain a copy of your insurance plan’s coverage (often available online) and determine:

  • Does my plan include coverage for oral food thickeners under HCPCS code B4100?

  • If I have coverage, is it under the DME or Pharmacy benefit?

  • Is prior authorization required?

  • Is there a preferred pharmacy or DME company?

Submit a Coverage Request

Step 1: Confirm Submission Requirements

  • Common examples:

    • ordering provider

    • DME supplier

    • pharmacy

    • insurance holder

  • Common requirements:

    • prior authorization

    • prescription or order

    • swallow study results (MBSS, VFSS, or FEES)

    • supporting clinical notes

    • diagnosis

    A Letter of Medical Necessity is required by some insurance plans and may include:

    • diagnosis related to swallowing or feeding difficulty

    • swallow study results and findings

    • evidence of aspiration or unsafe swallowing

    • medical rationale for thickener use

    • recommended thickener type/brand (if specified)

    • prescribed consistency level

    • duration of need

    • plan of care

  • Insurance coverage decisions can take time. If thickener has been recommended, temporary options may be available while the request is being processed.

    Options may include:

    • samples from the prescribing provider or clinic

    • samples from manufacturer programs (availability varies)

    • nonprofit or community-based assistance programs, such as the Dysphagia Outreach Project Food Bank

    • retail purchase while waiting for coverage

    See the Assistance & Resources section for organizations and programs that may be able to help.

  • Some insurance plans offer services to help members navigate complex medical needs.

    Depending on the plan, a case manager or care coordinator may be able to:

    • explain thickener coverage requirements

    • help identify in-network DME suppliers or pharmacies

    • clarify prior authorization or documentation requirements

    • assist with ongoing coverage questions

    • support communication between you and the insurance company

    These services are not available with all plans. Contact your insurance company to ask whether case management or care coordination services are available through your plan.

Step 2: Ensure the Correct Party Submits the Coverage Request

Review the Coverage Decision

Possible Outcomes After Submission

    • confirm coverage details

    • verify type, quantity, duration

    • verify supplier/pharmacy

    • verify out-of-pocket costs, if any

    • understand renewal or reauthorization requirements

  • See Assistance & Resources

    • review what’s missing

    • obtain requested documentation (e.g. prior authorization, letter of medical necessity, swallow study results, clinical notes)

    • resubmit information

    • follow up on status

    • obtain and review the denial letter (insurance providers are required to send a written explanation when coverage is denied)

    • consider appealing (see below)

    • if not appealing, explore the Assistance & Resources section

Common Denial Reasons & Next Steps

    • obtain a copy of your plan and verify thickener is not a covered benefit

    • if verified, see Assistance & Resources

    • verify that a swallow study and supporting clinical documentation were submitted

    • ask the ordering provider whether a stronger letter of medical necessity may help

    • consider filing an appeal

    • confirm that the exclusion applies to the specific product requested

    • ask whether alternative products may be covered

    • review appeal options

    • explore Assistance & Resources

    • ask the insurance company to identify the specific policy language used to classify the thickener as a nutritional product, as this may help determine whether the denial is based on a plan exclusion or if it can be challenged through an appeal

    • discuss the denial with the ordering provider to determine whether additional medical documentation may strengthen an appeal

    • consider filing an appeal

    • work with the provider, pharmacy, or DME supplier to submit the authorization

    • follow up on status

    • identify which documents are missing (e.g. letter of medical necessity, evidence documentation, prior authorization)

    • obtain the requested records

    • resubmit the documents

    • verify HCPCS code, diagnosis codes, and submitted documentation

    • Correct errors and resubmit if appropriate

Appealing a Denial

  • Carefully review the denial letter to understand the reason coverage was denied and what steps are required next.

    Important information to identify includes:

    • reason for denial

    • appeal deadline

    • type of appeal required (if specified by the insurer)

    • instructions for submitting an appeal

    • contact information for questions

  • Your healthcare provider can help strengthen your appeal and ensure the appropriate clinical documentation is included.

    This may involve:

    • reviewing the reason for denial

    • updating or completing a Letter of Medical Necessity

    • providing supporting medical records or test results

    • clarifying the medical need for thickener based on swallowing evaluation findings

  • An effective appeal often includes documentation such as:

    • any additional documentation requested by your insurance company

    • documentation that addresses the reason for the denial

    • an updated Letter of Medical Necessity

    • swallowing evaluation results (MBSS, VFSS, FEES), if applicable

    • other relevant medical records supporting the need for thickener

  • A Letter of Medical Necessity is a document written by a healthcare provider that explains why thickener is medically necessary. It is often reviewed during insurance appeals to support continued or reconsidered coverage.

    It may include:

    • Diagnosis
      Medical condition related to swallowing or feeding difficulty (e.g., dysphagia, aspiration risk)

    • Swallowing evaluation findings
      Results from MBSS, VFSS, or FEES, including evidence of aspiration, penetration, or unsafe swallowing

    • Clinical rationale
      Explanation of why thickened liquids are required to support safe swallowing and reduce aspiration risk

    • Evidence supporting medical necessity
      Relevant clinical history, including feeding difficulties, coughing/choking with thin liquids, or prior complications

    • Recommended thickener use
      Suggested product type/brand (if specified), consistency level (IDDSI level, if applicable), and how it is used in daily intake

    • Duration of need
      Expected timeframe for use, if known or clinically appropriate

    • Plan of care
      Related feeding and swallowing management recommendations, including therapy or monitoring plans

  • Follow your insurance company’s instructions carefully when submitting an appeal.

    Before submitting:

    • confirm all required forms are completed

    • include all supporting documentation

    • verify submission method and address or portal instructions

    • keep copies of everything submitted

    After submission:

    • record the submission date

    • note any confirmation or reference number provided by the insurer

  • After submitting your appeal, monitor its status according to your insurer’s timeline.

    • note expected decision timeframes provided by the insurance company

    • follow up if no response is received within the stated timeframe

    • keep a record of phone calls, emails, and reference numbers

    • respond promptly if additional information is requested

  • If your appeal is denied, you may still have options depending on your insurance plan and state policies.

    Carefully review the final denial letter to understand:

    • the reason the appeal was denied

    • whether additional levels of appeal are available (such as a second appeal or external review)

    • any deadlines for further action

    • instructions for requesting additional review, if applicable

    If all appeal options are exhausted, some plans may allow an external review or state-level complaint process. Your insurance company can provide details on what options are available for your specific plan.

  • If coverage is not approved—or if cost remains a concern—additional support may be available.

    Visit the Assistance & Resources section to explore options that may help reduce the cost of thickener.