HCPCS C9300 is officially defined as "Injection, indigotindisulfonate sodium, 1 mg." HCPCS C9300 is referenced in 4 tracked payer policy changes from Michigan Medicaid - MDHHS, Blue Cross Blue Shield of Rhode Island, and 2 other payers. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for HCPCS C9300 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.
Michigan Medicaid has updated CPT and HCPCS codes effective July 1, 2025, adding new covered codes for various provider types and discontinuing several existing codes. This affects billing for Medicaid, Healthy Michigan Plan, and related programs in Michigan.
Multiple billing code updates effective July 1, 2025: 5 new immunization codes added, 4 codes deleted, 13 codes marked as non-reimbursable, new modifier requirements for off-campus institutional claims, and modifier 27 added for multiple outpatient E/M encounters.
The IHCP will add the procedure codes from the July 2025 quarterly HCPCS update to its claim-processing system, effective for dates of service on or after July 1, 2025. Procedure code 91323 has been determined noncovered. Codes 0240U and 0241U have been discontinued, with alternate code considerations of 87636 and 87637. New skin-substitute codes Q4368 through Q4382 are reimbursed at a flat, statewide, per-unit rate.
Already effective July 1, 2025, Louisiana Blue accepts only the CAQH application for professional credentialing and recredentialing, and the Louisiana Standardized Credentialing Application was accepted for participating providers until June 30. Added codes in the Diagnostic and Therapeutic Services and Outpatient Procedure Services code ranges have effective dates of January 1, 2025 and April 1, 2025, including 15013, 15014, 38226 and 38227. For infusion therapy, the prior authorization must include all codes billed, including administration codes, or penalties will be applied to the claim.
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