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Insurance coverage explorer

Coverage matrix for 6 major insurers × 6 treatment categories. Coverage tiers update quarterly. Always verify directly with your plan — formulary changes happen.

InsurerHRT (FDA-approved)HRT (compounded)GLP-1 (Wegovy/Zepbound)GLP-1 (compounded)PCOS (metformin/spironolactone)Thyroid (levothyroxine)
Aetna
Plan-tier varies by employer-funded vs ACA marketplace.
Full
Not covered
Prior auth
Not covered
Full
Full
BCBS (Blue Cross Blue Shield)
Federation of 36 independent plans; coverage varies by state.
Full
Varies
Prior auth
Not covered
Full
Full
UnitedHealthcare
Full
Not covered
Prior auth
Not covered
Full
Full
Cigna
Full
Varies
Prior auth
Not covered
Full
Full
Kaiser Permanente
Closed network — must use Kaiser providers.
Full
Not covered
Partial
Not covered
Full
Full
Medicare Part D
Coverage depends on chosen Part D plan.
Full
Not covered
Not covered
Not covered
Full
Full

Coverage legend

FullPartialPrior authVariesNot covered

Aetna — detailed coverage

  • HRT (FDA-approved)

    FullMost generics tier 1; brand-name tier 2-3.

  • HRT (compounded)

    Not coveredCompounded products excluded under most plans.

  • GLP-1 (Wegovy/Zepbound)

    Prior authBMI ≥30 or ≥27 with comorbidity. PA required.

    Prior auth: Aetna PA portal

  • GLP-1 (compounded)

    Not coveredExcluded across plans.

  • PCOS (metformin/spironolactone)

    FullGenerics covered. Tier 1.

  • Thyroid (levothyroxine)

    FullTier 1 generic.

BCBS (Blue Cross Blue Shield) — detailed coverage

  • HRT (FDA-approved)

    FullGenerics tier 1; preferred brands tier 2.

  • HRT (compounded)

    VariesBCBS Federal covers if medically necessary; commercial plans usually not.

  • GLP-1 (Wegovy/Zepbound)

    Prior authPA required. Some plans require step therapy.

    Prior auth: CoverMyMeds or Blue e-Portal

  • GLP-1 (compounded)

    Not coveredFederation policy excludes compounded GLP-1s.

  • PCOS (metformin/spironolactone)

    FullBoth generics tier 1.

  • Thyroid (levothyroxine)

    FullTier 1.

UnitedHealthcare — detailed coverage

  • HRT (FDA-approved)

    FullGeneric estradiol patch + oral progesterone tier 1.

  • HRT (compounded)

    Not coveredCompounded HRT not on formulary.

  • GLP-1 (Wegovy/Zepbound)

    Prior authPA + step therapy via phentermine or orlistat first.

    Prior auth: OptumRx PA

  • GLP-1 (compounded)

    Not coveredExcluded.

  • PCOS (metformin/spironolactone)

    FullTier 1.

  • Thyroid (levothyroxine)

    FullTier 1.

Cigna — detailed coverage

  • HRT (FDA-approved)

    FullGenerics tier 1.

  • HRT (compounded)

    VariesSome employer plans cover; ACA marketplace plans usually not.

  • GLP-1 (Wegovy/Zepbound)

    Prior authPA + BMI documentation.

    Prior auth: ExpressScripts PA

  • GLP-1 (compounded)

    Not coveredExcluded.

  • PCOS (metformin/spironolactone)

    FullTier 1.

  • Thyroid (levothyroxine)

    FullTier 1.

Kaiser Permanente — detailed coverage

  • HRT (FDA-approved)

    FullGenerics fully covered for in-network patients.

  • HRT (compounded)

    Not coveredKaiser does not stock compounded products.

  • GLP-1 (Wegovy/Zepbound)

    PartialCovered with criteria; lifestyle program enrollment may be required.

  • GLP-1 (compounded)

    Not coveredExcluded.

  • PCOS (metformin/spironolactone)

    FullGenerics full coverage.

  • Thyroid (levothyroxine)

    FullGeneric full coverage.

Medicare Part D — detailed coverage

  • HRT (FDA-approved)

    FullGeneric estradiol + progesterone tier 1 in most Part D formularies.

  • HRT (compounded)

    Not coveredCompounded products universally excluded.

  • GLP-1 (Wegovy/Zepbound)

    Not coveredMedicare prohibits coverage of weight-loss drugs (statutory).

  • GLP-1 (compounded)

    Not coveredExcluded.

  • PCOS (metformin/spironolactone)

    FullTier 1.

  • Thyroid (levothyroxine)

    FullTier 1.

How to verify your coverage

  1. Call the number on your insurance card.
  2. Ask: “Is [medication name] on the formulary? What tier? Is prior auth required?”
  3. Request a formulary lookup from your provider's billing team.

Coverage shown above is current as of 2026-05. Formularies change quarterly.