Does Z79.620 require prior authorization?

No, Z79.620 does not require prior authorization (high confidence). Covered without prior authorization.

`Z79.620`, Long term (current) use of immunosuppressive biologic

ICD-10-CM

No Prior Auth Required

Covered without prior authorization (high confidence)

A legible medical record must document the condition, clinical findings, relevant prior treatment, and clearly justify the necessity and reasonableness of the lumbar MRI.
The documentation must clearly support the ICD-10-CM code(s) reported on the claim.
An attending or treating physician's order, properly signed and dated, is required for each lumbar MRI test.
Radiologists and ordering physicians must include sufficient clinical information in the MRI report to justify necessity; the MRI report or clinical record must document clinical findings and relevant prior treatment.

Initial lumbar MRI is covered when the test is medically reasonable and necessary and the medical record documents clinical rationale and supports the ICD-10-CM code(s) billed.
A second lumbar MRI for the same patient is allowable when documentation shows comparative test results are needed to make a more definitive treatment decision.
Multiple scans of different body areas performed on the same day for the same patient are payable when each scan is reasonable and necessary.
Vitamin D assay testing is covered when the medical record documents medical necessity for the test, including the clinical reason for testing and any planned repeat testing and frequency.

A57206, Billing and Coding: Lumbar MRI

A57718, Billing and Coding: Vitamin D Assay Testing

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