Modifier HO: Master's degree level

Modifier Code

Code Type

Billing modifier

When to Use Modifier HO

Append modifier HO when the rendering provider holds a master's degree and the payer requires credential-level billing distinctions. It is commonly used in behavioral health settings to differentiate master's-level clinicians (LCSW, LPC, LMFT) from doctoral-level providers. Some Medicaid managed care plans mandate this modifier for proper credentialing-level reimbursement.

CPT Codes Commonly Paired with Modifier HO

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

CPT 90837 - Psychotherapy, 60 minutes CPT 90834 - Psychotherapy, 45 minutes CPT 90791 - Psychiatric diagnostic evaluation CPT 90853 - Group psychotherapy

Superbill Notes for Modifier HO

What to include: Include the clinician's exact credentials (e.g., LCSW, LPC) on the superbill. Document the degree level and licensure state to support the modifier on reimbursement claims.

Adding Modifier HO to a Superbill

Superbilled lets you add modifier codes directly to each line item on your superbill. When generating a superbill with modifier HO, 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 HO free