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MedicaidCoverageHigh impact

BT2024126: IHCP announces expanded coverage of biomarker testing

Indiana Medicaid (IHCP)·IN · Oncology, Hematology, Pathology +2 more·Medical Policy
Effective date
Jul 1, 2024
We identified it
Jun 19, 2026
Days to comply

Summary

Indiana Health Coverage Programs (IHCP/Medicaid) has expanded coverage for biomarker testing effective July 1, 2024, adding over 100 new CPT codes for genetic and molecular pathology tests. Many of these newly covered codes require prior authorization, and tests must meet specific FDA or clinical guideline criteria.

Action Required

Action needed
Immediately: Billing team must update Indiana Medicaid billing system to recognize newly covered biomarker testing codes effective July 1, 2024. Configure prior authorization requirements for specified codes (approximately 60% require PA - see Table 1). Ensure tests meet coverage criteria including FDA approval or nationally recognized clinical guidelines. Verify codes exist on Medicare fee schedule before billing. Update encounter forms to alert providers of PA requirements for genetic testing orders.

Affected Billing Codes

81105
81106
81107
81108
81109
81110
81111
81112
81170
81178
81179
81180
81181
81182
81183
81184
81185
81186
81191
81192
81193
81194
81205
81209
81210
81221
81222
81223
81224
81225
81226
81227
81240
81241
81242
81247
81248
81249
81256
81260
81271
81272
81273
81274
81275
81284
81285
81286
81289
81290
81314
81324
81325
81326
81331
81332
81336
81337
81339
81340
81341
81342
81343
81344
81349
81351
81352
81353
81355
81362
81363
81373
81374
81376
81380
81381
81382
81383
81400
81401
81402
81406
81408
81410
81411
81412
81413
81414
81415
81416
81417
81425
81426
81427
81430
81431
81432
81433
81434
81435
81436
81437
81438
81441
81442
81443
81445
81448
81449
81451
81456
81460
81465
81517
81518
81520
81521
81523
81539
81595
87523