Does T43.643A require prior authorization?

No, T43.643A does not require prior authorization (high confidence). Covered without prior authorization.

`T43.643A`, Poisoning by ecstasy, assault, initial encounter

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

Medical necessity for each test must be documented in the patient's medical record as required by LCD L35006.
All documentation must be maintained in the patient's medical record and made available to the contractor upon request; every page must be legible and include patient identification and dates of service.
Documentation must include the legible signature of the physician or non-physician practitioner responsible for and providing the care to the patient.
The submitted medical record must support the selected ICD-10-CM code(s) and the submitted CPT/HCPCS code must accurately describe the service performed.

Urine drug testing (UDT) and drugs-of-abuse testing are covered when reasonable and necessary per LCD L35006 and ordered on an individual patient basis by the treating clinician with medical-record documentation of medical necessity.
Patients with a documented diagnosis consistent with substance use disorder (SUD) may qualify for an exception to the standard presumptive UDT annual limits.
Drug testing services are covered when they meet the medical necessity and coverage indications specified in LCD L36029.
Medicare Part B will pay for drug screening services when furnished in allowed places of service: office (11), urgent care (20), independent clinic (49), FQHC freestanding (50), RHC freestanding (72), and independent laboratory (81).
Urine, blood, or oral fluid specimens may be used for drug testing, with urine preferred for broad screening of common drugs.
Medicare Part B will pay for drug screening services when all coverage criteria, limitations, and medical necessity requirements of LCD DL34645 are met.

CGS-J15-L36029, Urine Drug Testing

J15

CGS-J15-L34338, Transthoracic Echocardiography (TTE)

J15

CGS-J18-L34338, Transthoracic Echocardiography (TTE)

J18

CGS-J18-L36029, Urine Drug Testing

J18

A56915, Billing and Coding: Urine Drug Testing

Ask Backwork about documentation requirements, denial risks, or coverage in your state.