Tennessee 114th General Assembly Status: Enacted Bipartisan · 21 R · 14 D cosponsors

HB 0484 — AN ACT to amend Tennessee Code Annotated, Title 56 and Title 71, relative to coverage of biomarker testing.

Last action — Effective date(s) 05/07/2026

  1. ✓
    Introduced
  2. ✓
    In Committee
  3. ✓
    Passed House
  4. ✓
    Passed Senate
  5. ✓
    To Executive
  6. 6
    Enacted

This bill has been enacted into law. Introduced January 28, 2025. Enacted.

Signed by Governor Bill Lee (Republican) on April 30, 2026.

Odds of enactment

High chance

Based on the sponsor, cosponsors, and committee posture, this bill has a high chance of becoming law.

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A statistical estimate from our own model of past outcomes — an insight, not a guarantee. Policymaking is volatile.

Prognosis

Likely to advance 98% · high confidence

  • Enacted

    Current position in the legislative process.

  • 37 sponsors

    1 primary, 36 co-sponsors signed on.

  • Bipartisan support

    Sponsored across 2 parties (21 R · 14 D) — cross-party backing.

  • Cleared a recorded vote

    Passed 3 recorded votes so far.

Based on stage, sponsorship breadth, committee status, recorded votes, and cross-state momentum — a description of the observable signals, not a prediction.

Summary

Insurance, Health, Accident - As enacted, requires a health insurer that issues, amends, delivers, or renews a contract or agreement for a health benefit plan to take effect on or after January 1, 2027, to include coverage for biomarker testing; requires a TennCare health benefit plan that is issued, amended, or renewed on or after January 1, 2027, to provide coverage for biomarker testing when medically necessary. - Amends TCA Title 56 and Title 71.

Bill Text

Action History

  1. Filed for introduction

  2. Introduced, Passed on First Consideration

  3. Sponsor(s) Added.

  4. Passed on Second Consideration, refer to Senate Commerce and Labor Committee

  5. Sponsor(s) Added.

  6. Sponsor(s) Added.

  7. Sponsor(s) Added.

  8. Placed on Senate Commerce and Labor Committee calendar for 3/18/2025

  9. Placed on Senate Commerce and Labor Committee calendar for 3/18/2025

  10. Action deferred in Senate Commerce and Labor Committee to 3/25/2025

  11. Placed on Senate Commerce and Labor Committee calendar for 3/25/2025

  12. Assigned to General Subcommittee of Senate Commerce and Labor Committee

  13. Sponsor(s) Added.

  14. Sponsor(s) Added.

  15. Placed on Senate Commerce and Labor Committee calendar for 3/3/2026

  16. Action deferred in Senate Commerce and Labor Committee to 3/10/2026

  17. Placed on Senate Commerce and Labor Committee calendar for 3/10/2026

  18. Action deferred in Senate Commerce & Labor Committee to 3/17/2026

  19. Placed on Senate Commerce and Labor Committee calendar for 4/7/2026

  20. Recommended for passage with amendment/s, refer to Senate Calendar Committee Ayes 8, Nays 1 PNV 0

  21. Placed on Senate Regular Calendar for 4/16/2026

  22. Placed on Senate Regular Calendar for 4/16/2026

  23. Companion House Bill substituted

  24. Sponsor(s) Added.

  25. Comp. became Pub. Ch. 929

  26. Filed for introduction

  27. Sponsor(s) Added.

  28. Intro., P1C.

  29. P2C, ref. to Insurance Committee - Government Operations for Review

  30. Assigned to s/c Insurance Subcommittee

  31. Sponsor(s) Added.

  32. Sponsor(s) Added.

  33. Placed on s/c cal Insurance Subcommittee for 3/5/2025

  34. Sponsor(s) Added.

  35. Sponsor(s) Added.

  36. Action Def. in s/c Insurance Subcommittee to 3/12/2025

  37. Placed on s/c cal Insurance Subcommittee for 3/12/2025

  38. Rec for pass if am by s/c ref. to Insurance Committee

  39. Placed on cal. Insurance Committee for 3/19/2025

  40. Sponsor(s) Added.

  41. Sponsor(s) Added.

  42. Rec. for pass. if am., ref. to Government Operations Committee

  43. Placed on cal. Government Operations Committee for 3/31/2025

  44. Sponsor(s) Added.

  45. Taken off notice for cal. in Government Operations Committee

  46. Placed on cal. Government Operations Committee for 2/9/2026

  47. Sponsor(s) Added.

  48. Rec. for pass; ref to Finance, Ways, and Means Committee

  49. Assigned to s/c Finance, Ways, and Means Subcommittee

  50. Sponsor(s) Added.

  51. Sponsor(s) Added.

  52. Placed on s/c cal Finance, Ways, and Means Subcommittee for 3/4/2026

  53. Placed behind the budget

  54. Placed on s/c cal Finance, Ways, and Means Subcommittee for 3/18/2026

  55. Sponsor(s) Added.

  56. Rec for pass if am by s/c ref. to Finance, Ways, and Means Committee

  57. Placed on cal. Finance, Ways, and Means Committee for 3/24/2026

  58. Rec. for pass. if am., ref. to Calendar & Rules Committee

  59. Placed on cal. Calendar & Rules Committee for 3/26/2026

  60. H. Placed on Regular Calendar for 3/30/2026

  61. Am. withdrawn. (Amendment 1 - HA0142)

  62. H. adopted am. (Amendment 2 - HA0800)

  63. Passed H., as am., Ayes 94, Nays 0, PNV 0

  64. Sponsor(s) Added.

  65. Engrossed; ready for transmission to Sen.

  66. Received from House, Passed on First Consideration

  67. Senate substituted House Bill for companion Senate Bill.

  68. Amendment withdrawn. (Amendment 1 - SA1015)

  69. Passed Senate, Ayes 29, Nays 1

  70. Enrolled; ready for sig. of H. Speaker.

  71. Signed by H. Speaker

  72. Signed by Senate Speaker

  73. Transmitted to Governor for his action.

  74. Signed by Governor.

  75. Pub. Ch. 929

  76. Effective date(s) 05/07/2026

Sponsors

Sponsorship breakdown

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1 sponsors · 36 co-sponsors · 96 not signed on

Sponsors (1)

  • Martin B

Co-sponsors (36)

Not signed on (96)

96 members have not signed on to this bill.

Show all 96 →

"Not signed on" means a member has not sponsored or co-sponsored this bill — it does not imply opposition. Members flagged Voted No have a recorded No vote on this bill.

Whip count is in markup. Polling the chamber and every recorded vote this session. Only the first open is slow. It’s instant for you after this. Calling the roll · Tallying · Engrossing

Votes

Subjects

healthcare health-insurance
Cross-referencing the record. Reading this bill against every other bill in the corpus by meaning, not keywords. Only the first open is slow. It’s instant for you after this. Matching · Ranking · Engrossing

Frequently asked questions

What does HB 0484 do?
Insurance, Health, Accident - As enacted, requires a health insurer that issues, amends, delivers, or renews a contract or agreement for a health benefit plan to take effect on or after January 1, 2027, to include coverage for biomarker testing; requires a TennCare health benefit plan that is issued, amended, or renewed on or after January 1, 2027, to provide coverage for biomarker testing when medically necessary. - Amends TCA Title 56 and Title 71.
Who sponsors HB 0484?
HB 0484 is sponsored by Martin B, Jones R, Hemmer, Caleb (Democrat), Helton-Haynes, Esther (Republican), Behn, Aftyn (Democrat), White, Mark (Republican), Warner, Todd (Republican), Boyd, Clark (Republican), Freeman, Bob (Democrat), Moody, Debra (Republican), Hakeem, Yusuf (Democrat), Parkinson, Antonio (Democrat), Sherrell, Paul (Republican), Terry, Bryan (Republican), Faison, Jeremy (Republican), Hale, Michael (Republican), McKenzie, Sam (Democrat), Kumar, Sabi 'Doc' (Republican), Rudder, Iris (Republican), Towns, Jr., Joe (Democrat), Slater, William (Republican), Sparks, Mike (Republican), McCalmon, Jake (Republican), Harris, Torrey C. (Democrat), Hardaway, T.J. (Democrat), Clemmons, John Ray (Democrat), Russell, Lowell (Republican), Maberry, Aron (Republican), Capley, Kip (Republican), Reeves, Lee (Republican), Gillespie, John (Republican), Lamberth, William (Republican), Brooks, Shaundelle (Democrat), Camper, Karen D. (Democrat), Davis, Elaine (Republican), Miller, Larry J. (Democrat), and Chism, Jesse (Democrat).
What is the current status of HB 0484?
This bill has been enacted into law. Introduced January 28, 2025. Enacted.
Where can I track HB 0484?
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