HT Modifier: Multi-Disciplinary Team, and How States Redefine It
HT has three meanings depending on where the claim goes. If your practice bills more than one state, this is the modifier most likely to be right in one and wrong in the next.
Short answer
HT is the HCPCS Level II modifier "Multi-disciplinary team." Michigan uses HT for mobile crisis services, previously TJ. Ohio Medicaid uses HT as a procedure modifier for a service rendered by a supervised trainee or assistant under the supervision of an LISW, LIMFT, LPCC, LICDC (SUD only), or licensed school psychologist, required only where direct supervision is priced differently.
| Modifier | HCPCS descriptor | Type |
|---|---|---|
| HT | Multi-disciplinary team | Setting and team |
Three meanings
| Where | What HT means |
|---|---|
| HCPCS descriptor | Multi-disciplinary team |
| Michigan PIHP encounters | Mobile crisis, previously TJ, a method modifier that affects the rate |
| Ohio Medicaid | Rendered by a supervised trainee or assistant under an LISW, LIMFT, LPCC, LICDC (SUD only), or licensed school psychologist |
Ohio's supervision pair
Ohio pairs HT with HP: HP for supervision by an MD, DO, psychologist, CNS, CNP, or PA, and HT for supervision by an independently licensed social worker, marriage and family therapist, counselor, chemical dependency counselor, or school psychologist. Both apply only where the rate differs for direct supervision.
Why HT claims deny
- Generic meaning sent to Ohio. HT used for a team service, where Ohio reads it as licensed-supervisor pricing.
- Mobile crisis without HT in Michigan. The crisis service is reported without the mobile crisis modifier.
- Supervision undocumented. Ohio HT billed without the supervising practitioner and supervision in the record.
Related: HP, H2011 crisis intervention, all behavioral health HCPCS modifiers, and the code map in H codes in behavioral health.
Sources, read October 2026: Ohio Medicaid Behavioral Health Provider Manual, v1.28.1 (March 2026); MDHHS SFY 2027 Behavioral Health Code Charts and Provider Qualifications. Federal HCPCS descriptors are CMS public data. State manuals and plan contracts change; confirm the current edition before billing.
Frequently asked questions
What is the HT modifier?
HT is the HCPCS Level II modifier "Multi-disciplinary team."
What does HT mean in Michigan?
Michigan uses HT for mobile crisis services, previously reported with TJ.
What does HT mean in Ohio Medicaid?
A service rendered by a supervised trainee or assistant under the supervision of an LISW, LIMFT, LPCC, LICDC (SUD only), or licensed school psychologist, required only where supervision is priced differently.
One modifier, every state's meaning.
See Stable apply state-specific meanings of HT and HP before claims go out.
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