Reimbursement Guidelines
Only one (1) unit of PHP (on a facility claim), RTC (on a facility claim) or IOP (on a facility or professional claim), is allowed per date of service as these services are defined as per diem. PHP, RTC and IOP services are mutually exclusive on the same date of service.
Partial Hospitalization Programs (PHP)
PHP (S0201 or H0035) is allowed on facility claims as a per diem and includes all facility, professional, ancillary, and other services rendered to the member.
PHP services will be denied when:
- Billed without a mental health diagnosis as the principal diagnosis.
- Billed with a 'code first' diagnosis as a principal diagnosis and a mental health or substance abuse diagnosis is not also present as a secondary diagnosis on the claim.
- Bill Type 12X (Hospital-Inpatient), 14X (Hospital-Other) is billed with Condition Code 41 (Partial Hospitalization).
- Codes G0129 and G0176 are only used, and therefore reimbursable, for partial hospitalization programs.
- Bill Type 13X is billed with Condition Code 41 (Partial Hospitalization) and the HCPCS code is not present on the approved PHP services list.
Intensive Outpatient Programs (IOP)
IOP is allowed on facility or professional claims as a per diem and includes all facility, professional, ancillary, and other services rendered to the member.
- Report S9480 for intensive outpatient treatment focused on mental health.
- Report H0015 for intensive outpatient treatment focused on substance use disorder(s).
Residential Treatment Centers (RTC)
RTC is allowed on facility claims as a per diem and includes all facility, professional, ancillary, and other services rendered to the member.