Modifier 93: Synchronous telemedicine service rendered via telephone or other real-time interactive audio-only telecommunications system

Modifier Code

Code Type

Billing modifier

When to Use Modifier 93

Append modifier 93 to claims for behavioral health services delivered via real-time audio-only telephone when the patient cannot or does not consent to video. Unlike modifier 95, modifier 93 specifically denotes audio-only synchronous communication. This modifier was created to support expanded access for patients in areas with limited broadband or for those with technology barriers.

CPT Codes Commonly Paired with Modifier 93

These CPT codes are frequently billed alongside modifier 93 in therapy practice:

CPT 90837 - Psychotherapy, 60 minutes CPT 90834 - Psychotherapy, 45 minutes CPT 90832 - Psychotherapy, 30 minutes CPT 90791 - Psychiatric diagnostic evaluation

Superbill Notes for Modifier 93

What to include: Note on the superbill that the service was rendered via real-time audio-only telephone. Document patient consent and the specific reason video was unavailable or not used.

Adding Modifier 93 to a Superbill

Superbilled lets you add modifier codes directly to each line item on your superbill. When generating a superbill with modifier 93, make sure to include your NPI number, the patient's diagnosis code, date of service, fee charged, and amount paid. The modifier appears alongside the CPT code on the claim.

Generate a superbill with Modifier 93 free