Sec. 5. (a) Not more than ninety (90) days after the date of the version specified in IC 27-1-1.5 of a diagnostic or procedure code described in this subsection:

(1) an insurer shall begin using the version specified in IC 27-1-1.5 of the:

(A) Current Procedural Terminology (CPT);

(B) International Classification of Diseases (ICD);

(C) American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders (DSM);

(D) Current Dental Terminology (CDT);

(E) Healthcare Common Procedure Coding System (HCPCS); and

(F) third party administrator (TPA);

codes under which the insurer pays claims for services provided under an accident and sickness insurance policy or a worker’s compensation policy; and

(2) a provider shall begin using the version specified in IC 27-1-1.5 of the:

(A) Current Procedural Terminology (CPT);

(B) International Classification of Diseases (ICD);

(C) American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders (DSM);

(D) Current Dental Terminology (CDT);

(E) Healthcare Common Procedure Coding System (HCPCS); and

(F) third party administrator (TPA);

codes under which the provider submits claims for payment for services provided under an accident and sickness insurance policy or a worker’s compensation policy.

     (b) If a provider provides services that are covered under an accident and sickness insurance policy or a worker’s compensation policy:

(1) after the date of the version specified in IC 27-1-1.5 of a diagnostic or procedure code described in subsection (a); and

(2) before the insurer begins using the version specified in IC 27-1-1.5 of the diagnostic or procedure code;

the insurer shall reimburse the provider under the version of the diagnostic or procedure code that was specified in IC 27-1-1.5 on the date that the services were provided.

As added by P.L.161-2001, SEC.4. Amended by P.L.66-2002, SEC.16; P.L.124-2018, SEC.84.