Does T40.694A require prior authorization?

No, T40.694A does not require prior authorization (high confidence). Code is covered without prior authorization.

`T40.694A` — Poisoning by other narcotics, undetermined, initial encounter

ICD-10-CM

No Prior Auth Required

Code is covered without prior authorization (high confidence)

For services requiring a referring or ordering physician, the referring/ordering physician's name and NPI must be reported on the claim.
A claim submitted without a valid ICD-10-CM diagnosis code will be returned as an incomplete claim under Section 1833(e) of the Social Security Act.
The ICD-10-CM diagnosis code(s) reported must best describe the patient's condition for which the urine drug test was performed.
For diagnostic urine drug tests, report the test result if known; if the result is not known at claim time, report the symptoms that prompted performance of the test.

Cardiac catheterization and coronary angiography are covered when the medical record documents medical necessity, including relevant medical history, physical examination, and results of pertinent diagnostic tests that support the procedure.
Follow-up or limited transthoracic echocardiography performed to evaluate a single specified cardiac problem or region must be billed with CPT 93308.
Limited Doppler/follow-up echocardiographic studies (for targeted velocity or gradient assessment) should be billed with CPT 93321 (e.g., tricuspid regurgitant velocity to estimate pulmonary artery systolic pressure or sequential transmitral velocity in mitral stenosis).
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.
Urine, blood, or oral fluid specimens may be used for drug testing, with urine preferred for broad screening of common drugs.

A57472 — Billing and Coding: Allergy Immunotherapy

J05

A56915 — Billing and Coding: Urine Drug Testing

J05

A57473 — Billing and Coding: Allergy Testing

J05

L34645 — Urine Drug Testing

J05

L36408 — Allergen Immunotherapy (AIT) with Subcutaneous Immunotherapy (SCIT)

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