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PAYER POLICY CHANGES

G9143 Insurance Policy Changes

HCPCS G9143 is officially defined as "Warfarin responsiveness testing by genetic technique using any method, any number of specimen(s)." HCPCS G9143 is referenced in 1 tracked payer policy change from Blue Cross & Blue Shield of Mississippi. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for HCPCS G9143 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.

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REFERENCE DATA

Payers with rules12
Payers requiring prior auth12
  • Anthem BCBS · Effective November 1, 2026

    Prior authorization required

    Anthem Local PPO Precertification/Prior Authorization List (California | Anthem Blue Cross | Commercial)

  • BCBS Arizona · Effective October 1, 2026

    Prior authorization required in some cases

    AZ Blue Standard Prior Authorization Requirements Code List (Updated 10/01/2026)

  • BCBS Illinois · Effective August 1, 2026

    Prior authorization required

    Utilization Management Process

FREQUENTLY ASKED QUESTIONS

Does AmeriHealth Caritas require prior authorization for G9143?

AmeriHealth Caritas lists G9143 on AmeriHealth Caritas Louisiana prior authorization service list for medicaid managed plans. Verify with the payer before scheduling.

Does Anthem BCBS require prior authorization for G9143?

Anthem BCBS lists G9143 on Anthem Local PPO Precertification/Prior Authorization List (California | Anthem Blue Cross | Commercial) for commercial plans (list dated November 1, 2026). Verify with the payer before scheduling.

Does BCBS Arizona require prior authorization for G9143?

BCBS Arizona lists G9143 on AZ Blue Standard Prior Authorization Requirements Code List (Updated 10/01/2026) for commercial plans, with conditions (list dated October 1, 2026). Verify with the payer before scheduling.

Does BCBS Illinois require prior authorization for G9143?

BCBS Illinois lists G9143 on 2026 Commercial Outpatient Medical Surgical Prior Authorization Codes for commercial plans, with conditions (list dated January 1, 2026). Verify with the payer before scheduling.

Does BCBS Montana require prior authorization for G9143?

BCBS Montana lists G9143 on 2026 Commercial Medical Surgical Prior Authorization Codes for commercial plans, with conditions (list dated January 1, 2026). Verify with the payer before scheduling.

What insurance policy changes affect HCPCS G9143?

There are 1 tracked policy change affecting HCPCS G9143, including updates from Blue Cross & Blue Shield of Mississippi. Each change may modify coverage criteria, reimbursement rates, or prior-authorization requirements.

Which payers have updated policy for HCPCS G9143?

Payers that have issued tracked updates for HCPCS G9143 include: Blue Cross & Blue Shield of Mississippi.

How do I get notified when HCPCS G9143 policy changes?

Create a free account at PolicyChanges.app and save a search filtered to HCPCS G9143. You will get an email when new policy changes reference this code: daily or weekly, your choice, on every plan.

Why do payers change policies for HCPCS G9143?

Payers revise policies for individual billing codes to align with updated clinical guidelines, CMS rule changes, fraud and abuse prevention measures, or network cost-management goals. Changes can affect medical necessity criteria, place-of-service restrictions, bundling rules, or whether a code requires prior authorization.

See every payer rule for G9143

Prior authorization lists, coverage criteria, NCCI edits and Medicare coverage articles for G9143 in one place.

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