Revenue code
Revenue Code 0906: Intensive Outpatient, Chemical Dependency
Revenue code 0906 is chemical dependency intensive outpatient services. Pairing with H0015, units and common SUD IOP denials.
Last reviewed October 2026
Meaning
0906: Behavioral health treatments and services: intensive outpatient services, chemical dependency
When facilities use 0906
0906 is the intensive outpatient code for substance use treatment. It is the most common revenue code on SUD IOP claims, usually with H0015 on the same line.
Noridian's list labels it simply chemical dependency within the 090X range; Novitas and payer guides spell it out as intensive outpatient services, chemical dependency.
Pairing and units
| Payer guide | HCPCS | Units |
|---|---|---|
| Evernorth Behavioral Health | H0015 | Per day |
| BCBS of Mississippi | H0015 | 1 unit per date of service; type of bill 013X or 089X |
Common denials and fixes
- Program does not meet the H0015 minimum. The descriptor requires at least 3 hours a day and 3 days a week. Short days invite CO-150.
- S9480 on a 0906 line. A psychiatric code on a SUD line; correct one or the other.
- Auth missing after a step-down from PHP. CO-197.
Questions
What HCPCS goes with revenue code 0906?
H0015 in the Evernorth and BCBS of Mississippi guides.
Can dual diagnosis IOP use 0906?
Evernorth lists 0905 or 0906 for dual diagnosis IOP, with S9480 or H0015.
Sources
- Noridian Healthcare Solutions (Medicare contractor), Revenue codes (opens in a new tab)
- Novitas Solutions, IOP billing requirements for institutional providers (opens in a new tab)
- Evernorth Behavioral Health, Authorization and Billing Resource (PDF) (opens in a new tab)
- Blue Cross & Blue Shield of Mississippi, Behavioral Health Coding Policy (opens in a new tab)
Educational summary, not billing advice. Your contract and the payer's current guide decide how to bill.